16 barEnd Suction PumpsWater supply, boosting, circulation and for liquid trans-fer in industry, agriculture, horticulture, fire fighting,environmental engineering etc.
In accordance with DIN 24 256 and ISO 2858.
Pump flange sizes: DN 32-300Maximum system pressure: 16 barLiquid temperature: –40°C to +160°C
50 Hz
NKG
TM
0122
4136
98
Contents
2
General DataApplications Page 3Type Key Page 4Codes for Stuffing Box Page 4Codesfor Mechanical Shaft Seal Page 4Configuration Number Key Page 5Selection of Pumps for Various Liquids Page 6Stuffing Boxes Page 8Mechanical Shaft Seals Page 9DIN - ISO correspondance Page 10Operating Range Page 10Sectional Drawing Page 11Pump Material List Page 14Motors Page 15Spare Parts Page 15
Technical Data2-pole Electrical Data Page 164-pole Electrical Data Page 176-pole Electrical Data Page 18Pump Dimensions and Weights Page 19Unit Dimensions and Weights Page 22Quotation Drawings Page 28
Performance RangesCurve Conditions Page 32Performance Tests Page 32Certificates Page 32Performance Range 2900 min-1 Page 33Performance Range 1450 min-1 Page 34Performance Range 970 min-1 Page 35
Performance Curves 2900 min-1
NKG 32-xxx Page 36NKG 40-xxx Page 39NKG 50-xxx Page 43NKG 65-xxx Page 47NKG 80-xxx Page 52NKG 100-xxx Page 56NKG 125-250 Page 59NKG 150-315 Page 60
Performance Curves 1450 min-1
NKG 32-xxx Page 61NKG 40-xxx Page 64NKG 50-xxx Page 68NKG 65-xxx Page 72NKG 80-xxx Page 77NKG 100-xxx Page 82NKG 125-xxx Page 86NKG 150-xxx Page 89NKG 200-xxx Page 91NKG 250-xxx Page 93NKG 300-360 Page 97
Performance Curves 970 min-1
NKG 100-200 Page 98NKG 125-250 Page 99NKG 150-315 Page 100NKG 200-xxx Page 101NKG 250-xxx Page 103NKG 300-360 Page 107
3
General Data NKG
ApplicationsThe pump is suitable for the pumping of thin, clean andnon-aggressive liquids without solid particles or fibresin:
• District heating
• Water supply
• Airconditioning
• Cooling plants
• Industry
• Fire fighting
• Environment engineering
Operating Conditions
Pump
Non-self-priming single-stage centrifugal volute pumpwith axial suction port, radial discharge port and hori-zontal shaft components.
The NKG pumps have dimensions and nominalperformances according to DIN 24 256 (16 bar). Typesoutside of the official DIN-norm (NKG 200 and up) willbe called "oversize". Dimensions can differ from othersuppliers.
The suction and discharge flanges are according to DIN2501 PN 16. All pumps are dynamically balancedaccording to ISO 1940 class 6.3 and impellers arehydraulically balanced.
Pump and motor are mounted on a common baseplatein accordance with DIN 24 259 in all-welded steel.Oversizes have profile base frames.
Due to the pump design the complete bearing assemblyincluding impeller and shaft seal can be dismantledwithout removing the volute casing from the pipesystem (back-pull-out system ).
Flexible Coupling
Standard version or a spacer coupling which allows themotor to remain in place during the abovementioneddismantling to avoid subsequent alignment.
If the pump housing, motor or the entire unit is moved,alignment is always neccessary.
Bearing Assembly with Shaft
The bearing assembly includes two sturdy antifrictionbearings lubricated for life. Oversize pumps with shaftd5=55mm however, have open bearings with greasenipples.
A thrower on the shaft prevents liquid from entering thebearing housing.
In stuffing box versions the shaft is protected by a stain-less steel sleeve at the shaft seal.
All the NKG pumps according to DIN 24 256 arecovered by only four sizes of shaft, shaft seal and bear-ings, and the oversizes by an additional three sizes.
Due to the ample sizes of the bearings and shaft thepump can be driven by a belt drive, belt variator or adiesel engine, if required.
Shaft Seal
The standard version is provided with a mechanicalBurgmann shaft seal according to DIN 24 960,Grundfos type AQAE. Depending on pumped liquid andoperating conditions other types and stuffing boxes areavailable.
Back-to-back double mechanical shaft seals, and"quench", are available for all variants on request.
Motor
The motor is a totally enclosed, fan-cooled squirrel-cage Grundfos MMG motor dimensioned to IEC publi-cation 72 and complying with IEC 34 and DIN 42 950.
NKG units with 60 Hz motors and NKE units with MGEmotors are also available, but are described in seperatebooklets.
Other brands of motors can be mounted on request.
Surface Treatment
Minimum 40 µm black water based laquer.Various RAL colors are available on request.
Flow Max. 2000 m3/h.
Head Max. 150 m.
LiquidTemperature
–40°C up to +160°C.
OperatingPressure
Max. 16 bar. *)Operating pressure = inlet pressure +pressure against a closed valve (Q = 0).
InletPressure
Max. 9 bar.Max. 7 bar for 400 mm impellers or bigger.
*) Optional executions for 10 or 25 bar on request.
TM
0116
6650
97
3
Spacer coupling
Mounting Designation B3 (IM 1001)
Enclosure Class IP 55
Insulation Class F (100 °C)
Ambient Temperature Max. 40°C
Voltages, 50/(60) Hz 3 x 220-240/380-415 V,(3 x 220-275/380-480 V),3 x 380-415 ƒ V,(3 x 380-480 ƒ V)
Thermistor TP 211 acc. DIN 44082when P2 ≥ 3 kW
4
General Data NKG
Type KeyFor units without motor the motor data are left out, andfor bare shaft pumps the coupling and motor data areleft out.
The example describes an NKG 100-200 with 198 mmimpeller, in cast iron with neck rings, with BAQE shaftseal, standard coupling and a 4-pole 5.5 kW motor.
*) Oversize pumps are not available in GG 25 cast iron.
Specification of pump materials see Pump Material Liston page 14.
Codes for Stuffing Box
Codesfor Mechanical Shaft Seal
Example NKG100-200 /198 /AW /BAQE /1 /5.5 /4
Type range
Nominal diameter ofdischarge port
Nominal impeller diameter
Actual impeller diameter
Code for materials:A(01) = Cast iron GG 25 *)B(03) = GG 25 with bronze impeller *)C(04) = Ductile cast iron GGG 40G = GGG 40 with bronze impellerZ(07) = All bronze
W = Neck ring(s)
Code for shaft seal
Coupling type1 = standard2 = spacer
Motor power in kW
2, 4 or 6 pole motor
Position Code Short Description of Seal
1 S Packing type stuffing box
Position Code Cooling
2N Uncooled stuffing box
K Cooled stuffing box
Position Code Barrier fluid
3
E With internal liquid
F With external liquid
O Without barrier fluid
Position Code Short Description of Seal
1
A O-ring seal with fixed seal driver
B Rubber bellows seal
C O-ring seal with spring as seal driver
D Balanced O-ring seal
GRubber bellows seal with reducedseal faces
M Metal bellows seal
X Other
Position Code Material
2 & 3
A Metal-impregnated carbon
B Synthetic-resin-impregnated carbon
C Other types of carbon
S Chromium steel
U Tungsten carbide
Q Silicon carbide
V Aluminium oxide (ceramic)
X Other types of ceramic/carbide
Position Code Material
4
P Nitrile (NBR)
S Silicone rubber
T PTFE
E EPDM
V FKM
M PTFE-coated O-ring
5
General Data NKG
Configuration Number KeyEach of the 8 digits in the configuration numberdescribes one or more possibilities of variation in theconstruction of the pump (unit).
The number is configured from the tables shown below:
Example: The fourth digit determins if the pump is a NKor NKG pump as well as which material version.
Nominal Code Code NKG Pump Material Code Coupling
Impeller Diameter [mm] F Cast iron GG25 0 Without coupling *)
125 1 G GG25 w. Bronze impeller 1 Standard
160 2 H Ductile cast iron GGG40 2 Spacer
200 3 I GGG40 w. Bronze impeller *) Bare shaft pump
250 4 J All bronze
315 5 All models have neck ring(s)
360 7 Code P2 kW max.
400 8 0 Bare shaft pump
500 9 1 0.37
310 A 2 0.55
330 B 3 0.75
Code Single Shaft Seal 4 1.1
1 BAQE *) 5 1.5
3 DAQM *) 6 2.2
Pump Type NK(G) Code 5 BQQV *) 7 3
32 1 7 BAQV *) 8 4
40 2 8 AQAE 9 5.5
50 3 9 AQAV *) A 7.5
65 0-55 kW 4 A SNE *) B 11
80 0-55 kW 5 B SNO *) C 15
100 0-90 kW 6 C SNF *) D 18.5
125 0-90 kW 7 D SKO *) E 22
150 0-188 kW 8 E GQQE *) F 30
F GQQV *) G 37
65 56-200 kW *) A G BQQE *) H 45
80 56-200 kW *) B H AQQE *) K 55
100 91-200 kW *) C I AQQV *) L 75
125 91-188 kW *) D J DQQE *) M 90
200 0-300 kW *) E K DQQV *) N 110
250 0-300 kW *) F Code Double Shaft Seal P 132
300 0-300 kW *) G M BAQE *) Q 160
150 189-495 kW *) H N DAQM *) R 200
*) Oversize, not available incast iron GG 25
R AQAE *) S 250
V AQQE *) T 315
W AQQV *) U 355
*) Optional
Code Voltage Pole
0 Exclusive motor
1 3X220-240/380-415V 50 Hz, 3X220-275/380-480V 60 Hz 2
2 3X380-415V 50 Hz, 3X380-480V 60 Hz 2
3 3X220-240/380-415V 50 Hz, 3X220-275/380-480V 60 Hz 4
4 3X380-415V 50 Hz, 3X380-480V 60 Hz 4
Configuration number K E 8 F 1 1 P 4 5 MGE-motor 3X380-415V 50/60 Hz 2
Bare shaft pump 0 0 0 6 MGE-motor 3X380-415V 50/60 Hz 4
Unit excl. motor 0 7 3X380-415V 50 Hz, 3X380-480V 60 Hz 6
Complete unit
6
General Data
NKGSelection of Pumps for Various Liquids
Pumped Liquids
Max. limitssolution,
temperature,pressure
Materials and Shaft Seal
Notes
A (01)Cast Iron
B (03)
BronzeImpeller
C (04)
Sph. GraphiteCast Iron
Z (07)
All Bronze
StuffingBox
Mech.Seal
StuffingBox
Mech.Seal
StuffingBox
Mech.Seal
StuffingBox
Mech.Seal
Ammonia waterMax. 10%, 40°C,16/12 bar SNF
BAQE Metals in pumpmust be all-ferrousDouble seal16/16 bar AQAE
Airconditioning0°C to 30°C,10/7 bar SNE/SNO
BQQE
16/16 bar DAQE
Brackish waterMax. 40°C,10/7 bar SNE/SNO
BQQVHastelloy
16/16 bar DQQV
Brake fluidMax. 40°C,16/12 bar SNE/SNO
BAQE
16/16 bar AQAE
Fire fighting water16/12 bar
SNE/SNOBAQE
16/16 bar AQAE
Fixative salt(sodium thiosulphate)
Max. 25°C,16/12 bar SNE/SNO
BAQVMetals in pumpmust be all-ferrous
16/16 bar AQAV
Glycol-water mix-20°C to 80°C,16/12 bar SNE/SNO
BAQE
If oil depositschoose Viton
16/16 bar AQAE
Glycol-water mixwith additives
0°C to 80°C,10/7 bar
SNE/SNO BQQE
-20°C to 0°C,10/7 bar
SNE/SNO GQQE
-40°C to -20°C,16/12 bar
SNE/SNO AQQE
Salt brine
Max. 15%,0°C, 16/12 bar
SNE/SNO BAQE Double seal
Max. 15%,-30 to 0°C,10/7 bar SNE/SNO
AQQE
16/16 bar DQQV
Other coolants-40°C to -20°C,16 bar
SNE/SNO AQAE Contact Grundfos
District heating water
Max. 120°C,16 bar
SNE/SNO BAQENominal shaftdiam. ≤ ø42mm
Max. 120°C,12 bar
SNE/SNO BAQENominal shaftdiam. ≥ ø48mmMax. 120°C,
16 barSNE/SNO AQAE
120°C to 140°C,16 bar
SNE/SNO AQAE
140°C to 160°C,16 bar
SKO DAQMCooling,Contact Grundfos
Milk of lime(calcium hydroxide)
Max. 10%,25°C,10/7 bar SNF
BQQE Flush before longstandstill periods
16/16 bar DQQE
General Data
NKG16/16 bar, 16/12 bar and 10/7 bar
The first figure is maximum pressure for nominal shaftdiameters ≤ ø42mm.The second for nominal shaft diameters ≥ ø48mm.
Nominal shaft diameter is the diameter of the pumpshaft end (dimension d5 on pages 19 - 21).
SNE/SNO
SNE for inlet pressure < 4 barSNO for inlet pressure > 4 bar.
Hastelloy
Hastelloy shaft seal metal parts for bronze pumps.
Condensate0°C to 100°C,16/12 bar SNE/SNO
BAQE
16/16 bar AQAE
Cooling water0°C to 120°C,16/12 bar SNE/SNO
BAQE
16/16 bar AQAE
Sea water
Max. 40°C,10/7 bar SNE/SNO
BQQV
North Sea,Baltic Seawater.
Hast-elloy
16/16 bar DQQV
Max. 25°C,10/7 bar SNE/SNO
BQQV
16/16 bar DQQV
Soda lye (P3)Max. 20%,100°C, 10/7 bar SNE/SNO
BQQE
16/16 bar DQQE
Fuel oil, diesel oil16/12 bar BAQV
16/16 bar AQAV
Oil-water emulsion16/12 bar
SNE/SNOBAQV
16/16 bar AQAV
Clean water16/12 bar
SNE/SNOBAQE
16/16 bar AQAV
Raw water10/7 bar
SNE/SNOBQQV
16/16 bar DQQV
Swimming pool water(fresh water)
16/12 barSNE/SNO
BAQV
16/16 bar AQAV
Soda(sodium carbonate)
Saturatedsolution, 25°C,10/7 bar SNE/SNO
BQQEDouble seal
16/16 bar DQQE
Water fromstorage reservoirs
10/7 barSNE/SNO
BQQE
16/16 bar DQQE
Partiallydemineralized water
Max. 100°C,16/12 bar SNE/SNO
BAQE
16/16 bar AQAE
Drinking waterMax. 100°C,16/12 bar SNE/SNO
BAQE
16/16 bar AQAE
Contaminated waterMax. 100°C,10/7 bar SNF
BQQVContact Grundfos
16/16 bar DQQV
For liquids not mentioned in this table please contact Grundfos.
Pumped Liquids
Max. limitssolution,
temperature,pressure
Materials and Shaft Seal
Notes
A (01)Cast Iron
B (03)
BronzeImpeller
C (04)
Sph. GraphiteCast Iron
Z (07)
All Bronze
StuffingBox
Mech.Seal
StuffingBox
Mech.Seal
StuffingBox
Mech.Seal
StuffingBox
Mech.Seal
7
8
General Data
NKGStuffing Boxes
Uncooled stuffing box (SNE) with internalbarrier fluid for the pumping of clean li-quids in suction operation or at inlet pres-sures up to 4 bar.
TM
0025
8405
97
Uncooled stuffing box (SNO) without in-ternal barrier fluid for the pumping ofclean liquids in suction operation or at in-let pressures over 4 bar.
TM
0025
8505
97
Uncooled stuffing box (SNF) with externalbarrier fluid for the pumping of contami-nated and malodorous liquids.
TM
0025
8605
97
Cooled stuffing box (SKO) for the pum-ping of liquids up to 160°C.
TM
0025
8705
97
General Data
NKGMechanical Shaft Seals
Rubber bellows seal (BAQE), counteractsdeposits from the pumped liquid.
TM
0045
8605
97
O-ring seal (AQAE), unbalanced, for highpressures.
TM
0119
0306
98
O-ring seal (DAQM), balanced, for highpressures and temperatures 140°C to160°C.
Cooled pumped liquid (120°C) is used forcooling the seal.
TM
0045
8806
98
Double seal (Back to back) to protect theprimary shaft seal against wear by preci-pitation of abrasive matters.
Quench above 80°C.
Available on request.
TM
0132
4636
98
9
10
General Data NKG
DIN - ISO correspondance
Examples of designation :
DIN 24256 50 - 250
50 = The outlet diameter in mm
250 = The Nominal Impeller diameter in mm
ISO 2858 80 - 50 - 250
80 = The Inlet diameter in mm
50 = The Outlet diameter in mm
250 = The Nominal Impeller diameter in mm
Operating Range
** Contact Grundfos
Impeller Speed Relative to Material and Size
DIN 24256 ISO 2858
DESIGNATION DESIGNATION
32 - 125 50 - 32 - 125
32 - 160 50 - 32 - 160
32 - 200 50 - 32 - 200
40 - 125 65 - 40 - 125
40 - 160 65 - 40 - 160
40 - 200 65 - 40 - 200
40 - 250 65 - 40 - 250
50 - 125 80 - 50 - 125
50 - 160 80 - 50 - 160
50 - 200 80 - 50 - 200
50 - 250 80 - 50 - 250
65 - 125 100 - 65 - 125
65 - 160 100 - 65 - 160
65 - 200 100 - 65 - 200
65 - 250 100 - 65 - 250
65 - 315 100 - 65 - 315
80 - 160 125 - 80 - 160
80 - 200 125 - 80 - 200
80 - 250 125 - 80 - 250
80 - 315 125 - 80 - 315
80 - 400 125 - 80 - 400
100 - 200 125 - 100 - 200
100 - 250 125 - 100 - 250
100 - 315 125 - 100 - 315
100 - 400 125 - 100 - 400
125 - 250 150 - 125 - 250
125 - 315 150 - 125 - 315
125 - 400 150 - 125 - 400
150 - 315 200 - 150 - 315
150 - 400 200 - 150 - 400
TM
0121
3336
98T
M01
0834
2498
0 2 4 6 8 10 12 14 16 18 20 22 24 26
-60
-40
-20
0
20
40
60
80
100
120
140
160
t [°C]
GGG 40
GGG 40
GG 25 **
Ove
rsiz
es G
GG
40
Sta
ndar
d G
G 2
5
PN [bar]
1200 1600 2000 2400 2800 3200 3600
200
250
300
350
400
450
500
550
600
RG 10
RG 5
GG 25
Ø [mm]
min -1
General Data
NKGSectional Drawing
NKG 32-125 -> 150-400 and NKG 250-310
Legend:
A/B: Different hydraulical balancing.
: Recommended spare part.
TM
0097
9604
97
Pos. Description Pos. Description Pos. Description
1111 Pump casing 3120 Ball bearing 6516 Gasket
1222 Seal box 3121 Ball bearing 6517 Gasket
1510 Neck ring 4200 Rotary seal ring 6521 Pressure tapping plug
1520 Neck ring 4201 Stationary seat 6522 Gasket
2002 Spacer ring 4213 Cover for seal 6546 Circlip
2110 Shaft 4223 Elastic washer 6581 Stud + nut
2200 Impeller 4522 Gasket for cover 6710 Impeller key
2540 Thrower 4596 Gasket for pump 6740 Stud + nut
2542 Thrower 6475A Thrower screw 6740A Stud + nut
2911 Impeller washer 6475B Thrower screw 6740B Stud + nut
2915 Lock nut 6511 Priming plug 6742 Coupling key
3110 Bearing housing 6515 Drain plug 6743 Foot
11
12
General Data
NKGSectional Drawing
“Oversizes” NKG 150-315, 200-500, 250-400, 250-500
Legend:
:Recommended spare part.
TM
0098
0038
986516
6515
4200
2200
2912
1850
2911
6710
1510
1520
1111
6517 6511 6581 6740B 4213 6740 6475A 6546 3131
3120
3852
6742
2110
6475B
2542
4223
31102540420145226740A12224596
2450
d5
Pos. Description Pos. Description Pos. Description
1111 Pump casing 3110 Bearing housing 6511 Priming plug
1222 Seal box 3120 Ball bearing 6515 Drain plug
1510 Neck ring 3131 Ball bearing 6516 Gasket
1520 Neck ring 3852 Grease nipple 6517 Gasket
1850 Impeller counter nut 4200 Rotary seal ring 6546 Circlip
2110 Shaft 4201 Stationary seat 6581 Stud + nut
2200 Impeller 4213 Cover for seal 6710 Impeller key
2450 Shaft sleeve 4223 Elastic washer 6740 Stud + nut
2540 Thrower 4522 Gasket for cover 6740A Stud + nut
2542 Thrower 4596 Gasket for pump 6740B Stud + nut
2911 Impeller washer 6475A Thrower screw 6742 Coupling key
2915 Impeller nut 6475B Thrower screw
General Data
NKGSectional Drawing
“Oversizes” NKG 200-400, 250-330, 300-360
Legend:
: Recommended spare part.
TM
0132
7937
98
d5
Pos. Description Pos. Description Pos. Description
1111 Pump casing 3110 Bearing housing 6511 Priming plug
1222 Seal box 3120 Ball bearing 6515 Drain plug
1510 Neck ring 3131 Ball bearing 6516 Gasket
1520 Neck ring 3852 Grease nipple 6517 Gasket
1850 Impeller counter nut 4200 Rotary seal ring 6546 Circlip
2110 Shaft 4201 Stationary seat 6581 Stud + nut
2200 Impeller 4213 Cover for seal 6710 Impeller key
2450 Shaft sleeve 4223 Elastic washer 6740 Stud + nut
2540 Thrower 4522 Gasket for cover 6740A Stud + nut
2542 Thrower 4596 Gasket for pump 6740B Stud + nut
2911 Impeller washer 6475A Thrower screw 6742 Coupling key
2915 Impeller nut 6475B Thrower screw
13
14
General Data NKG
Pump Material List
*) Oversize pumps are not available in cast iron.
**) Only stuffing box or nominal shaft diameters (d5) ≥ ø48mm.
Pos. Component
Version
Cast iron *)Spheroidal graphite(ductile) cast iron
All bronze
A BBronze impeller
C GBronze impeller
Z
1111 Pump casingGG 25 GGG 40.3 Rg 10 (SAE 63)
1222 Seal box
1510 Neck ringG-CuPb10Sn (SAE 660)
1520 Neck ring
1850 Impeller counter nut DIN 985 St. 42 DIN 985 SS AISI 304
2002 Spacer ringSS AISI 420 (X35Cr14) AISI 304 (x2CrNi18-9)
2110 Shaft
2200 Impeller GG 25 Rg 5 (SAE 40) GG 25 Rg 10 (SAE 63)
2540 ThrowerGG 25
2542 Thrower
2911 Impeller washer SS AISI 420 (X35Cr14) AISI 304 (x2CrNi18-9)
2915 Lock nut DIN 985 St.42 DIN 985 SS AISI 304
3110 Bearing housing GG 25
3120
Ball bearing DIN 625 / 628 SKF - FAG - RHP - NSK3121
3131
3852 Grease nipple DIN 71412 Form D
4200 Rotary seal ringBurgmann mechanical seals
4201 Stationary seat
4213 Cover for seal GG 25 Rg 10 (SAE 63)
4223 Elastic washer High carbon finely tempered spring steel SAE 1070 - 1090
4522 Gasket for coverAsbestos free gaskets DIN FA 3535 and Viton
4596 Gasket for pump
6475A Thrower screwDIN 916 SS AISI 304
6475B Thrower screw
6511 Priming plugDIN 910
DIN 910AISI 304 (x2CrNi18-9)6515 Drain plug
6516 GasketCopper
6517 Gasket
6521 Pressure tapping plug DIN 910DIN 910
AISI 304 (x2CrNi18-9)
6522 Gasket Copper
6546 Circlip DIN 472
6581 Stud + nut ISO 8.8 34Cr4 + DIN 934DIN 910
AISI 304 (x2CrNi18-9)
6710 Impeller key DIN 6885 CK 45 K DIN 6885 1.4571
6740 Stud + nut
ISO 8.8 34Cr4 + DIN 934ISO 8.8
AISI 304 (x2CrNi18-9)6740A Stud + nut
6740B Stud + nut
6742 Coupling key DIN 6885 CK 45 K DIN 6885 1.4571
6743 Foot DIN 17100 / Sf 37.2
2450 Shaft Sleeve **) SS AISI 420 (x 35 Cr 14) AISI 304 (x2CrNi18-8)
4134 Lantern Ring Rg 10 SAE 63
6855 Gland Washer SS AISI 420 (x 35 Cr 14) AISI 304 (x2CrNi18-8)
4120 Gland GG 25 Rg10 (SAE 63)
15
General Data NKG
Motors
Selection of MotorsThe power required to achieve the requested duty pointcan be found by means of the power chart below theperformance chart (see pages 36-107). Find the powercurve corresponding to the required QH-value (or inter-polate between curves).
Before deciding the motor size, add a safety margin ac-cording to the table below and select the next motorabove the resulting value.
Safety Margins According to ISO 5199
Ambient Temperature–30°C to +40°C.
Due to the low density and consequent low cooling ef-fect of the air, operation at an ambient temperatureabove 40°C or at an altitude exceeding 1000 m abovesea level requires a reduction of the rated motor load.
Spare Parts
Available Spare Parts Kits1 Mechanical shaft seal complete
2 Soft packing rings
3 Bearings
4 Casing gaskets (standard or Viton)
5 Impeller
6 Shaft
7 Coupling complete (standard or spacer)
8 Rubber joints and pins for couplings
9 Neck rings
10 Nut, spacer and impeller key.
11 Service kit containing the above items 1 - 4 (acc.to pump version). (The service kit items will coverservice for two years of normal operation).
Motor Power Safety Margin
Up to 1.5 kW approx. 50%
2.2 - 4.0 kW approx. 25%
5.5 - 7.5 kW approx. 20%
11.0 - 37.0 kW approx. 15%
From 45 kWand upwards
approx. 10%
TM
0053
8206
95
mabove sea level
350022501000
Motor load
50
60
70
80
90
100
110
%
80°C
757065605550454035302520
16
Technical Data
NKG2-pole Electrical Data3x220-240ƒ/380-415Y
3x380-415ƒ
Motor [kW] In [A] Cos ˆ Ámax [%] n [min-1] Ist/In [%]
0.37 1.78-1.65/1.03-0.96 0.81-0.78 67.2-69.1 2670-2730 450-500
0.55 2.44-2.29/1.41-1.32 0.82-0.79 72.2-73.6 2710-2760 550-600
0.75 3.20-2.98/1.85-1.72 0.83-0.80 74.0-75.8 2830-2860 550-600
1.1 4.49-4.24/2.59-2.45 0.84-0.80 76.5-78.0 2820-2850 550-650
1.5 6.01-5.53/3.47-3.19 0.84-0.80 78.0-79.5 2830-2860 600-660
2.2 8.39-7.88/4.84-4.55 0.86-0.83 80.0-81.0 2820-2860 610-670
3.0 10.91-10.25/6.3-5.92 0.88-0.85 82.0-83.0 2840-2870 620-680
4.0 14.2-13.3/8.2-7.7 0.90-0.87 82.0-83.0 2870-2890 710-870
5.5 19.2-17.5/11.1-10.1 0.88-0.87 85.5-86.2 2900-2930 700-875
7.5 26.0-23.4/15.0-13.5 0.88-0.87 86.2-86.3 2900-2920 700-860
11 37.8-36.0/21.8-20.8 0.88-0.84 87.2-87.6 2930-2940 700-800
15 50.9-47.8/29.4-27.6 0.88-0.86 88.2-87.8 2930-2940 700-810
18.5 61.5-56.4/35.5-32.6 0.89-0.89 89.0-88.2 2930-2940 700-810
22 73.1-72.3/42.2-41.7 0.89-0.83 89.0-88.4 2940-2960 700-750
30 98.6-94.6/56.9-54.6 0.89-0.86 90.0-89.3 2950-2965 700-725
37 120.9-113.5/69.8-65.5 0.89-0.88 90.5-89.5 2950-2965 700-710
45 145.5-135.0/84.0-78.0 0.89-0.88 91.5-90.5 2970-2975 700-640
55 177.7-167.0/102.6-97.0 0.89-0.85 91.5-92.4 2970-2975 700-645
75 242.5-233.0/140.0-134.5 0.89-0.85 92.0-91.5 2970-2980 700-720
90 289.3-260.0/167.0-150.0 0.89-0.90 92.5-92.7 2970-2975 700-560
110 351.0-321.0/203.0-186.0 0.89-0.89 92.5-92.5 2970-2980 700-680
132 418.0-411.0/242.0-237.0 0.89-0.83 93.0-93.0 2970-2975 700-680
160 506.0-490.0/292.0-283.0 0.89-0.86 93.5-93.0 2970-2980 680-725
200 632.0-636.0/365.0-367.0 0.89-0.82 93.5-93.0 2970-2975 680-630
250 On request - - - -
315 On request - - - -
Motor [kW] In [A] Cos ˆ Ámax [%] n [min-1] Ist/In [%]
0.37 1.09-1.07 0.77-0.70 70.0-69.0 2760-2800 550-600
0.55 1.42-1.33 0.82-0.77 74.0-75.0 2750-2800 570-650
0.75 1.93-1.83 0.82-0.78 74.0-75.0 2820-2850 550-650
1.1 2.65-2.45 0.84-0.82 76.0-77.0 2800-2840 550-650
1.5 3.57-3.30 0.84-0.81 77.0-79.0 2810-2850 550-650
2.2 4.85-4.45 0.85-0.83 81.0-82.0 2815-2850 620-750
3.0 6.55-6.10 0.87-0.84 80.0-81.0 2850-2870 650-800
4.0 8.12-7.49 0.89-0.87 84.1-85.4 2870-2890 650-750
5.5 11.1-10.1 0.88-0.88 85.5-85.9 2900-2930 700-830
7.5 15.0-13.4 0.88-0.90 86.2-86.2 2900-2920 700-820
11 21.8-20.5 0.88-0.85 87.2-87.5 2930-2940 700-780
15 29.4-27.1 0.88-0.88 88.2-87.9 2930-2940 700-780
18.5 35.5-32.6 0.89-0.89 89.0-88.3 2930-2940 700-810
22 42.2-40.4 0.89-0.86 89.0-88.4 2940-2950 700-730
30 56.9-54.1 0.89-0.86 90.5-89.3 2950-2960 700-710
37 69.8-66.0 0.89-0.87 90.3-89.6 2950-2960 700-760
45 84.0-78.7 0.89-0.88 91.5-90.5 2970-2975 700-660
55 103.0-101.0 0.89-0.82 91.5-92.0 2970-2975 700-670
75 140.0-133.0 0.89-0.86 92.0-92.0 2970-2985 700-700
90 167.0-160.0 0.89-0.86 92.5-92.5 2970-2975 700-730
110 203.0-196.0 0.89-0.84 92.5-92.5 2980-2985 730-680
132 242.0-226.0 0.89-0.88 93.0-93.0 2980-2985 710-680
160 292.0-279.0 0.89-0.87 93.5-92.7 2980-2985 680-710
200 365.0-340.0 0.89-0.88 93.5-93.1 2980-2985 680-710
250 On request - - - -
315 On request - - - -
Technical Data
NKG4-pole Electrical Data3x220-240ƒ/380-415Y
3x380-415ƒ
Motor [kW] In [A] Cos ˆ Ámax [%] n [min-1] Ist/In [%]
0.37 1.96-1.79/1.13-1.03 0.76-0.74 65.2-67.3 1285-1330 540-580
0.55 2.70-2.50/1.56-1.44 0.76-0.74 70.0-71.5 1380-1400 570-620
0.75 3.53-3.23/2.04-1.86 0.77-0.76 72.5-73.5 1375-1395 600-680
1.1 5.04-4.66/2.91-2.69 0.77-0.75 74.4-75.6 1375-1400 630-700
1.5 6.47-6.02/3.74-3.48 0.79-0.77 77.0-77.8 1380-1405 660-720
2.2 8.97-8.30/5.18-4.80 0.81-0.79 79.5-80.5 1405-1425 700-780
3.0 11.8-10.9/6.78-6.29 0.82-0.80 81.7-82.5 1405-1420 730-800
4.0 15.8-14.9/9.1-8.6 0.81-0.78 82.0-83.0 1430-1440 610-750
5.5 20.1-19.1/11.6-11.1 0.84-0.79 85.5-87.2 1440-1450 700-740
7.5 26.7-25.3/15.4-14.6 0.85-0.81 87.0-88.1 1440-1460 700-820
11 39.1-36.4/22.6-21.0 0.84-0.81 88.0-89.2 1460-1470 700-755
15 52.5-51.4/30.3-29.7 0.85-0.84 88.5-89.6 1460-1460 700-725
18.5 62.8-62.2/36.2-35.9 0.86-0.79 91.0-90.3 1470-1480 700-820
22 73.6-71.3/42.5-41.2 0.86-0.82 91.5-90.7 1470-1480 700-810
30 98.4-93.6/56.8-54.0 0.87-0.85 92.2-90.8 1470-1480 700-770
37 121.9-117.0/70.4-67.5 0.87-0.83 91.8-92.0 1480-1485 700-770
45 145.8-138.0/84.2-79.6 0.88-0.88 92.3-92.2 1480-1485 700-670
55 177.5-162.0/102.5-93.5 0.88-0.88 92.6-92.7 1480-1480 700-700
75 242.0-251.0/140.0-145.0 0.88-0.78 92.8-92.7 1480-1485 700-780
90 284.0-263.0/164.0-1520 0.89-0.88 93.5-93.4 1480-1485 700-750
110 347.0-327.0/201.0-189.0 0.88-0.86 93.5-93.5 1480-1485 700-680
132 415.0-388.0/240.0-224.0 0.89-0.88 94.0-94.0 1480-1485 720-680
160 501.0-469.0/289.0-271.0 0.89-0.87 94.5-94.3 1480-1485 680-720
200 625.0-572.0/361.0-351.0 0.89-0.89 94.5-94.4 1480-1485 680-680
250 On request - - - -
315 On request - - - -
Motor [kW] In [A] Cos ˆ Ámax [%] n [min-1] Ist/In [%]
0.37 1.19-1.15 0.73-0.68 65.0-67.0 1320-1350 400-450
0.55 1.59-1.56 0.75-0.69 70.0-71.0 1380-1400 450-540
0.75 2.08-2.04 0.76-0.70 71.0-72.0 1380-1400 470-550
1.1 2.97-2.80 0.77-0.73 73.0-75.0 1370-1400 500-550
1.5 3.80-3.67 0.78-0.73 75.0-76.0 1380-1410 500-600
2.2 5.29-5.03 0.81-0.76 78.0-80.0 1400-1420 550-600
3.0 7.12-6.82 0.81-0.76 79.0-80.0 1410-1430 600-700
4.0 8.84-8.35 0.82-0.79 83.5-84.4 1430-1440 550-650
5.5 11.6-10.9 0.84-0.80 85.5-87.3 1440-1450 700-740
7.5 15.4-14.4 0.85-0.82 87.0-88.2 1440-1460 700-805
11 22.6-20.9 0.84-0.82 88.0-89.2 1460-1470 700-735
15 30.3-28.1 0.85-0.83 88.5-89.7 1460-1470 700-760
18.5 35.9-35.0 0.86-0.82 91.0-90.4 1470-1475 700-790
22 42.5-40.8 0.86-0.83 91.5-90.8 1470-1475 700-790
30 56.8-54.4 0.87-0.85 92.2-90.5 1470-1480 700-780
37 70.4-66.2 0.87-0.85 91.8-92.1 1480-1485 700-740
45 84.2-78.6 0.88-0.86 92.3-92.3 1480-1485 700-725
55 103.0-95.8 0.88-0.85 92.6-92.8 1480-1485 700-785
75 140.0-131.0 0.88-0.86 92.7-92.7 1480-1485 700-720
90 164.0-155.0 0.89-0.87 93.5-93.5 1480-1490 700-800
110 201.0-192.0 0.89-0.85 93.5-93.5 1480-1485 700-680
132 240.0-222.0 0.89-0.88 94.0-94.0 1480-1490 700-680
160 289.0-273.0 0.89-0.87 94.5-94.3 1480-1485 680-730
200 361.0-337.0 0.89-0.88 94.5-94.4 1480-1485 680-730
250 On request - - - -
315 On request - - - -
17
18
Technical Data
NKG6-pole Electrical Data3x380-415ƒ
Motor [kW] In [A] Cos ˆ Ámax [%] n [min-1] Ist/In [%]
1.5 4.08-3.74 0.74 75 932 460
2.2 5.69-5.21 0.75 78 932 470
3.0 7.51-6.87 0.77 81 939 570
4.0 9.59-8.78 0.77 82 963 610
5.5 12.7-11.7 0.78 84 964 650
7.5 17.3-15.8 0.76 87 966 630
11 24.7-22.6 0.76 89 970 660
15 31.6-28.4 0.81 89 976 630
18.5 38.2-35.0 0.82 90 979 610
22 44.0-40.3 0.84 90 978 620
30 59.6-54.6 0.83 91 983 600
37 70.5-64.5 0.87 92 980 670
45 85.6-78.4 0.86 92 985 690
55 104.9-96.1 0.86 93 986 700
75 144.8-132.6 0.83 94 991 610
90 174.7-160.0 0.84 94 987 590
110 207.2-189.7 0.85 94 991 770
132 248.4-227.5 0.85 95 992 720
Technical Data
NKGPump Dimensions and Weights
TM
0132
8037
98
A Priming plug
E Drain plug
M Pressure gauge tapping
V Pressure/vacuum gauge tapping
Dimensions [mm] Supporting Feet [mm] Shaft [mm]
Wei
gh
t[k
g]
Type DNs DNt a f h1 h2 b c m1 m2 n1 n2 s1 s2 w d5 l t n x
32-12532-16032-200
50 32 80 385112132160
140160180
50 12 100 70190240240
140190190
12 12 285 24 50 27 8 100363949
40-12540-16040-20040-250
65 40
8080
100100
385385385500
112132160180
140160180225
50505065
12
100100100125
70707095
210240265320
160190212250
12 12
285285285370
24242432
50505080
27272735
888
10
100
36415167
50-12550-16050-20050-250
80 50
100100100125
385385385500
132160160180
160180200225
50505065
12
100100100125
70707095
240265265320
190212212250
12 12
285285285370
24242432
50505080
27272735
888
10
100
36445870
65-12565-16065-20065-25065-315
100 65
100100100125125
385500500500530
160160180200225
180200225250280
6565658080
1212121415
125125125160160
959595
120120
280280320360400
212212250280315
1212121616
12
285370370370370
2432323242
50808080
110
2735353545
810101012
100100140140140
43495892
13680-16080-20080-25080-31580-400
125 80 125
500500500530530
180180225250280
225250280315355
6565658080
1212141616
125125125160160
959595
120120
320345400400435
250280315315355
1212161616
12 370
3232324242
808080
110110
3535354545
1010101212
140
587696
142198
100-200100-250100-315100-400
125 100
125140140140
500530530530
200225250280
280280315355
808080
100
14151616
160160160200
120120150150
360400400500
280315315400
16161620
12 370
32424242
808080
110
35454545
10121212
140
86125151180
125-250125-315125-400
150 125 140530530530
250280315
355355400
80100100
161620
200 150400500500
315400400
162020
12 370424242
110110110
45121212
140140170194
150-315150-400 200 150 160 670 315
400450 100 20 200 150 550 450 20 16 500 48 110 51,5 14 180
240250
19
20
Technical Data
NKGPump Dimensions and Weights
*) Oversize.
TM
0121
4812
98
Dimensions [mm] Supporting Feet [mm] Shaft [mm]
Wei
gh
t[k
g]
Type DNs DNt a f h1 h2 b c m1 m2 n1 n2 s1 s2 w d5 l t n x
*150-315 200 150 160 700 300 400 100 20 200 150 550 450 20
24
515
55 140 59 16
120 235*200-500 250 200 250 750 410 675
140
22 250
190
790 660
28
536
180
480
*250-400300 250
200 740 400 600 20250
700 580 530 415*250-500 300 750 410 660 23 790 660 536 507
TM
0132
8137
98
Dimensions [mm] Supporting Feet [mm] Shaft [mm]
Wei
gh
t[k
g]
Type DNs DNt a f h1 h2 k1 k2 p b c m1 m2 n1 n2 r1 r2 s1 s2 w d5 l t n x
*250-310 300 250 250 565 400 400 358 498 295 140 22 300 250 330 330 400 400 28 20 289 42 110 45 12 180 350
Technical Data
NKGPump Dimensions and Weights
*) Oversize
Flange Dimensions [mm]
OversizesThe DIN 24 256 describes only the standard typesmentioned in the table on page 19.
The NKG range is extended with bigger models (over-sizes) for higher flows and pressures.
As a consequence bracket sizes, flange dimensionsetc. for the oversize pumps can be different from othersuppliers.
TM
0105
2749
97
Dimensions [mm] Supporting Feet [mm] Shaft [mm]
Wei
gh
t[k
g]
Type DNs DNt a f h1 h2 k1 k2 p b c m1 m2 n1 n2 r1 r2 s1 s2 w d5 l t n x
*200-400 250 200 180 730 400 400 268 460 290 130 25 300 230 155 215 220 280 28 24 600 55 140 59 16 200 400
*250-330 250 250 250 740 450 400 338 545 345 130 25 350 280 245 325 310 390 34 24 600 55 140 59 16 200 430*300-360 300 300 300 760 520 440 410 580 355 160 25 320 270 337 337 420 420 26 24 540 55 140 59 16 280 560
TM
01
153
84
997
DIN 2501 PN 16
Nominal diameter (DN)
32 40 50 65 80 100 125 150 200 250 300
D1 32 40 50 65 80 100 125 150 200 250 300
D2 100 110 125 145 160 180 210 240 295 355 410
D3 140 150 165 185 200 220 250 285 340 405 460
S 4x18 4 x 18 4 x 18 4 x 18 8 x 18 8 x 18 8 x 18 8 x 22 12 x 22 12 x 26 12 x 26
21
22
Technical Data
NKGUnit Dimensions and Weights
The standard baseplate has only four holes for foundation bolts.
TM
0105
2849
97
2900 min-1 (2-pole motors)
Typ
e
Mo
tor
[kW
]
Mo
tor
Siz
e
Common With Standard Coupling With Spacer Coupling[mm] [mm]
Wei
gh
t[k
g] [mm]
Wei
gh
t[k
g]
a a2 h2 L h h3 L1 L3 b2 b3 d L h h3 L1 L3 b2 b3 d
32-125
0.55 71
80 60 140
700
65 177800 540 360 320
19
69 795
65 177
800 540 360 320
19
720.75-1.1 80 740 72 840
900 600 390 35078
1.5 90S 792 83 892 882.2 90L 798 900 600 390 350 97 894 98
32-160
0.75-1.1 80
80 60 160
740
65 197
800 540 360 320
19
85 84065 197 900 600 390 350 19
921.5 90S 792 91 892 962.2 90L 798
900 600 390 350105 894 106
3 100L 835 110 93180 212
1000 660 450 40024
1284 112M 858 145 954 146
5.5 132S 926 80 212 1000 660 450 400 24 168 1053 1120 740 490 440 178
32-200
3 100L
80 60 180
83565 225 900 600 390 350 19
120 931
80 2401000 660 450 400
24
1314 112M 858 133 954 141
5.5 132S 92680 240 1000 660 450 400 24 177
10531120 740 490 440
1877.5 132M 966 1093 194
40-125
0.75-1.1 80
80 60 140
740
65 177800 540 360 320
19
82 84065 177 900 600 390 350 19
891.5 90S 792 92 892 952.2 90L 798
900 600 390 35097 894 99
3 100L 835 102 931 80 192 1000 660 450 400 24 115
40-160
2.2 90L
80 60 160
79865 197 900 600 390 350 19
102 894 65 197 900 600 390 350 19 1043 100L 835 107 931
80 2121000 660 450 400
24
1204 112M 858 120 954 133
5.5 132S 92680 212 1000 660 450 400 24 157
10531120 740 490 440 169
7.5 132M 966 1093
40-200
3 100L
100 60 180
85565 225 900 600 390 350 19
117 951
80 240
1000 660 450 400
24
1304 112M 878 130 974 143
5.5 132S 94680 240
1000 660 450 40024
1691073
1120 740 490 440 1787,5 132M 986 1113
11-15 160M 1105 1120 740 490 440 222 1232 1250 840 540 490 237
40-250
5.5 132S
100 75 225
1046
80 260
1120 740 490 440
24
1901186
80 260 1250 840 540 490 24 2107,5 132M 1086 1226
11-15 160M 12051250 840 540 490
255 1345100 280 1400 940 610 550 28
28318.5 160L 1250 273 1390 30822 180M 1283 311 1423 334
50-125
1.5 90S
100 60 160
812
65 197
800 540 360 320
19
88 91265 197 900 600 390 350 19
952.2 90L 812
900 600 390 35097 908 104
3 100L 855 103 951
80 2121000 660 450 400
24
1174 112M 878 116 974 130
5,5 132S 94680 212 1000 660 450 400 24 147
10731120 740 490 440 161
7.5 132M 986 1113*) Oversize
Technical Data
NKG50-160
3 100L
100 60 180
85565 225 900 600 390 350 19
111 951
80 240
1000 660 450 400
24
1304 112M 878 124 974 143
5.5 132S 94680 240
1000 660 450 40024
1621073
1120 740 490 440 1707.5 132M 986 111311 160M 1105 1120 740 490 440 212 1232 1250 840 540 490 224
50-200
5.5 132S
100 60 200
946
80240
1000 660 450 400
24
1741073
80 2401120 740 490 440
24196
7.5 132M 986 111311-15 160M 1105 1120 740 490 440 231 1232 1250 840 540 490 25418.5 160L 1150
1250 840 540 490252 1277
100260
1400 940 610 550 28294
22 180M 1180 260 302 1307 280 325
50-250
11-15 160M
125 75 225
123080 260 1250 840 540 490 24
263 1370
100 2801400 940 610 550
28
29918.5 160L 1275 283 1415 30622 180M 1305 308 1445 33730 200L 1385 100 280 1400 940 610 550 28 394 1525 1600 1060 660 600 421
65-125
4 112M
100 75 180
878 65 225 900 600 390 350 19 126 974
80 240
1000 660 450 400
24
1445.5 132S 946
80 2401000 660 450 400
24148
10731120 740 490 440 166
7.5 132M 986 111311 160M 1105 1120 740 490 440 214 1232 1250 840 540 490 239
65-160
5.5 132S
100 75 200
1046
80 2401120 740 490 440
24189
118680 240 1250 840 540 490 24 212
7.5 132M 1086 122611-15 160M 1205
1250 840 540 490237 1345
100 260 1400 940 610 550 28265
18.5 160L 1250 262 1390 285
65-200
7.5 132M
100 75 225
1086
80 260
1120 740 490 440
24
203 1226 80 260 1250 840 540 490 24 23111-15 160M 1205
1250 840 540 490251 1345
100280 1400 940 610 550
28
31918.5 160L 1250 271 1390 32922 180M 1280 302 1420 38530 200L 1363 100 300 1400 940 610 550 28 388 1503 300 1600 1060 660 600 402
65-250
18.5 160L
125 90 250
1275 80 280 1250 840 540 490 24 297 1415
100300
1400 940 610 55028
18722 180M 1305
100300
1400 940 610 550 28341 1445 359
30-37 200L 1388 424 15251600 1060 660 600
44545 225M 1370 325 508 1507 325 513
65-315
37 200L
125 90 280
1415
100
3251400 940 610 550
28
497 1555
100325 1600 1060 660 600
28
49545 225M 1397
1600 1060 660 600571 1537 571
55 250M 1567 350 649 1707 3501800 1200 730 670
65575 280S 1592
380 1800 1200 730 670781 1732 380 786
90 280M 1627 832 1767 120 400 2000 1340 910 830 860
80-160
7.5 132S
125 75 225
107180 260
1120 740 490 44024
165 1211 80 260 1250 840 540 490 24 19411-15 160M 1230
1250 840 540 490258 1370
100280
1400 940 610 55028
27418.5 160L 1275 281 1415 30122 180M 1305
100280
1400 940 610 550 28327 1445
1600 1060 660 600337
30 200L 1388 300 382 1525 300 418
80-200
15 160M
125 75 250
1230 80 260 1250 840 540 490 24 250 1370
100280
1400 940 610 550
28
31618.5 160L 1275
100280
1400 940 610 55028
338 1415 33622 180M 1305 341 1445
1600 1060 660 600377
30-37 200L 1388 300 409 1525 300 43545 225M 1370 325 1600 1060 660 600 492 1507 325 497
80-250
18.5 160L
125 90 280
1275
100
300 1400 940 610 550
28
356 1415
100
3001400 940 610 550
28
35622 180M 1305 368 1445
1600 1060 660 600397
30-37 200L 1388 429 1525 46545 225M 1370 325
1600 1060 660 600514 1507 325 517
55 250M 1544 350 591 1677 3501800 1200 730 670
61575 280S 1569 380 1800 1200 730 670 758 1702 380 758
80-315
45 225M
125 90 315
1397
100
350 1600 1060 660 600
28
603 1537100
3501600 1060 660 600
28
58955 250M 1557 678 1707
1800 1200 730 670683
75 280S 1582380
1800 1200 730 670787 1722 380 792
90 280M 1627 840 1767120
4002000 1340 910 830
866110 315S 1813 315 1171 1953
4351224
132 315M 1868 120 435 2000 1340 910 830 1272 2008 1302
100-200
22 180M
125 90 280
1305
100
300 1400 940 610 550
28
359 1445
100
3001600 1060 660 600
28
37630-37 200L 1388 438 1525 445
45 225M 1370 3251600 1060 660 600
520 1507 325 51555 250M 1544 350 581 1677 350
1800 1200 730 670624
75 280S 1569 380 1800 1200 730 670 731 1702 380 736
2900 min-1 (2-pole motors)
Typ
e
Mo
tor
[kW
]
Mo
tor
Siz
e
Common With Standard Coupling With Spacer Coupling[mm] [mm]
Wei
gh
t[k
g] [mm]
Wei
gh
t[k
g]
a a2 h2 L h h3 L1 L3 b2 b3 d L h h3 L1 L3 b2 b3 d
*) Oversize
23
24
Technical Data
NKG100-250
37 200L
140 90 280
1430
100
3251600 1060 660 600
28
492 1570
100325
1600 1060 660 600
28
51645 225M 1412 542 1552
1800 1200 730 670590
55 250M 1582 350 634 1722 350 65675 280S 1607
380 1800 1200 730 670794 1747 380 794
90 280M 1642 834 1782120
4002000 1340 910 830
857110 315S 1828 120 435 2000 1340 910 830 1204 1968 435 1214
100-315
55 250M
140 90 315
1582100
350 1600 1060 660 600
28
651 1722100
3501800 1200 730 670
28
69775 280S 1607
380 1800 1200 730 670821 1747 380 851
90 280M 1642 921 1782
120
400
2000 1340 910 830
974110 315S 1828
120 435 2000 1340 910 8301203 1967
4351233
132 315M 1883 1329 2022 1359160-200 315L 1967 1529 2107 1527
125-250
37 200L
140 90 355
1430
100350 1600 1060 660 600
28
501 1560
100350
1600 1060 660 600
28
50145 225M 1412 587 1552 68755 250M 1582 666 1722
1800 1200 730 670663
75 280S 1607380 1800 1200 730 670
806 1747 380 80690 280M 1642 857 1782
120400
2000 1340 910 830885
110 315S 1828120 435 2000 1340 910 830
1192 1968435
1221132 315M 1883 1270 2023 1293
150-315
90 280M
160 110 400
1803
120
400
2000 1340 910 830 28
966 1943
120
400
2000 1340 910 830 28
964110 315S 1989
4351325 2129
4351325
132 315M 2044 1403 2184 1403160 315Lk 2129 1537 2269 1586
150-315*)
200 315L160 110 400
2159120
4352000 1340 910 830 28
1607 2299120
4352000 1340 910 830 28
1624250 355S
2216 4752003
2356 4752010
315 355M 2178 2188
2900 min-1 (2-pole motors)
Typ
e
Mo
tor
[kW
]
Mo
tor
Siz
e
Common With Standard Coupling With Spacer Coupling[mm] [mm]
Wei
gh
t[k
g] [mm]
Wei
gh
t[k
g]
a a2 h2 L h h3 L1 L3 b2 b3 d L h h3 L1 L3 b2 b3 d
*) Oversize
1450 min-1 (4-pole motors)
Typ
e
Mo
tor
[kW
]
Mo
tor
Siz
e
Common With Standard Coupling With Spacer Coupling[mm] [mm]
Wei
gh
t[k
g] [mm]
Wei
gh
t[k
g]
a a2 h2 L h h3 L1 L3 b2 b3 d L h h3 L1 L3 b2 b3 d
32-125 0.37 71 80 60 140 700 65 177 800 540 360 320 19 69 795 65 177 800 540 360 320 19 72
32-1600.37 71
80 60 160700
65 197 800 540 360 320 1973 795
65 197 900 600 390 350 1974
0.55-0.75 80 740 85 840 92
32-2000.37 71
80 60 180700
65 225 800 540 360 320 1983 795
65 225800 540 360 320
1986
0.55-0.75 80 740 95 840900 600 390 350
1021.1 90S 792 101 892 108
40-125 0.37 71 80 60 140 700 65 177 800 540 360 320 19 70 795 65 177 800 540 360 320 19 73
40-1600.37 71
80 60 160700
65 197 800 540 360 320 1975 795
65 197800 540 360 320
1982
0.55-0.75 80 740 87 840900 600 390 350
941.1 90S 792 93 892 100
40-2000.55-0.75 80
100 60 180760
65 225 900 600 390 350 19102 860
65 225 900 600 390 350 19104
1.1 90S 812 107 912 1081.5 90L 812 112 912 114
40-250
0.75 80
100 75 225
875
80 260 1000 660 450 400 24
129 975
80 2601000 660 450 400
24
1311.1 90S 927 135 1027 1371.5 90L 927 139 1027 141
2.2-3 100L 964 147 1060 1120 740 490 440 155
50-1250.37 71
100 60 160715
65 197 800 540 360 320 1970 815
65 197 900 600 390 350 1978
0.55-0.75 80 760 82 860 89
50-1600.55-0.75 80
100 60 180760
65 225 900 600 390 350 1995 860
65 225 900 600 390 350 1998
1.1 90S 812 102 912 1041.5 90L 812 105 912 107
50-200
0.75 80
100 60 200
760
65 225 900 600 390 350 19
109 86065 225 900 600 390 350 19
1111.1 90S 812 115 912 1171.5 90L 812 119 912 121
2.2-3 100L 855 128 951 80 240 1000 660 450 400 24 142
50-250
1.1 90S
125 75 225
962
80 260 1000 660 450 400 24
138 1062
80 260
1000 660 450 400
24
1431.5 90L 952 142 1052
1120 740 490 440154
2.2-3 100L 989 148 1089 1624 112M 1012 163 1112 172
65-1250.55-0.75 80
100 75 180760
65 225 900 600 390 350 1994 860
65 225 900 600 390 350 1996
1.1 90S 812 100 912 1021.5 90L 812 104 912 106
*) Oversize
Technical Data
NKG65-160
0.75 80
100 75 200
875 65 225 900 600 390 350 19 100 975
80 240 1000 660 450 400 24
1231.1 90S 927
80 240 1000 660 450 400 24117 1027 119
1.5 90L 927 121 1027 1232.2-3 100L 965 130 1065 132
65-200
1.1 90S
100 75 225
927
80 2601000 660 450 400
24
126 1027
80 2601000 660 450 400
24
1281.5 90L 927 130 1027 135
2.2-3 100L 9651120 740 490 440
148 10651120 740 490 440
1514 112M 988 163 1088 165
65-250
2.2-3 100L
125 90 250
989
80 280 1120 740 490 440 24
182 1089
80 2801120 740 490 440
24
1874 112M 1012 196 1112 197
5.5 132S 1071 213 12111250 840 540 490
2317.5 132M 1111 224 1251 257
65-315
4 112M
125 90 280
1042
80 305 1250 840 540 490 24
256 114280 305 1250 840 540 490 24
2585.5 132S 1101 278 1241 2837.5 132M 1141 283 1281
100 3251400 940 610 550
28303
11 160M 1260 323 1400 35915 160L 1305 100 325 1400 940 610 550 28 369 1445 1600 1060 660 600 381
80-1601.1 90S
125 75 225952
80 2601000 660 450 400
24135 1052
80 260 1120 740 490 440 24142
1.5 90L 952 139 1052 1462.2-3 100L 989 1120 740 490 440 148 1089 151
80-200
2.2-3 100L
125 75 250
989
80 260 1120 740 490 440 24
166 1089
80 2601120 740 490 440
24
1694 112M 1012
1981112 178
5.5 132S 1071 12111250 840 540 490
2007.5 132M 1111 208 1251 225
80-250
3 100L
125 90 280
989
80 280 1250 840 540 490 24
202 1089
80 280 1250 840 540 490 24
2044 112M 1012 208 1112 215
5.5 132S 1071 248 1211 2517.5 132M 1111 258 1251 26111 160M 1230 298 1370 100 300 1400 940 610 550 28 321
80-315
5.5 132S
125 90 315
110180 330 1250 840 540 490 24
274 1241 80 330 1250 840 540 490 24 2817.5 132M 1141 285 1281
100 3501400 940 610 550
28
31211 160M 1260 339 1400 34515 160L 1305
100 350 1400 940 610 550 28384 1445
1600 1060 660 600396
18.5 180M 1335 406 1475 421
80-400
11 160M
170 125 355
1259
100 3801400 940 610 550
28
410 1399
100 380
1400 940 610 550
28
41015 160L 1304 431 1444
1600 1060 660 600
44018.5 180M 1334 463 1474 47422 180L 1374 484 1514 49230 200L 1414 545 1554 55937 225S 1522 1600 1060 660 600 602 1662 602
100-200
3 100L
125 90 280
989
80 2901120 740 490 440
24
175 1089
80 2801120 740 490 440
24
1754 112M 1012 186 1112 186
5.5 132S 1071 213 12111250 840 540 490
2317.5 132M 1111 233 1251 25111 160M 1230 1250 840 540 490 279 1370 100 300 1400 940 610 550 28 332
100-250
5.5 132S
140 90 280
111680 305 1250 840 540 490 24
254 1256 80 305 1250 840 540 490 24 2647.5 132M 1156 268 1296
100 325
1400 940 610 550
28
28011 160M 1275 319 1415 34615 160L 1320
100 325 1400 940 610 550 28339 1460
1600 1060 660 600358
18.5 180M 1350 406 1490 43622 180L 1390 414 1530 477
100-315
7.5 132M
140 90 315
115680 330 1250 840 540 490 24
291 1296 80 330 1250 840 540 490 24 31411 160M 1275 343 1415
100 350
1400 940 610 550
28
36615 160L 1320
100 3501400 940 610 550
28
383 1460
1600 1060 660 600
39818.5 180M 1350 415 1490 43022 180L 1390 476 1530 49230 200L 1430 1600 1060 660 600 507 1570 513
100-400
15 160L
140 110 355
1320
100 3801600 1060 660 600
28
430 1460
100 380
1600 1060 660 600
28
43518.5 180M 1350 462 1490 46722 180L 1390 480 1530 48530 200L 1430 565 1570 57037 225S 1538 620 1678 58645 225M 1442 640 1582
1800 1200 730 670664
55 250M 1582 745 1722 74975 280S 1607 1800 1200 730 670 850 1747 855
1450 min-1 (4-pole motors)
Typ
e
Mo
tor
[kW
]
Mo
tor
Siz
e
Common With Standard Coupling With Spacer Coupling[mm] [mm]
Wei
gh
t[k
g] [mm]
Wei
gh
t[k
g]
a a2 h2 L h h3 L1 L3 b2 b3 d L h h3 L1 L3 b2 b3 d
*) Oversize
25
26
Technical Data
NKG125-250
5.5 132S
140 90 355
111680 330 1250 840 540 490 24
272 1256 80 330 1250 840 540 490 24 2797.5 132M 1156 283 1296
100 350
1400 940 610 550
28
33011 160M 1275 306 1415 35315 160L 1320
100 350 1400 940 610 550 28383 1460
1600 1060 660 600387
18.5 180M 1350422
1490437
22 180L 1391 1531
125-315
11 160M
140 110 355
1275
100 380 1600 1060 660 600 28
397 1415
100 380 1600 1060 660 600 28
40015 160L 1320 417 1460 420
18.5 180M 1350 475 1490 47822 180L 1390 505 1530 52830 200L 1430 555 1570 532
125-400
15 160L
140 110 400
1320
100 4151600 1060 660 600
28
450 1462
100 415
1600 1060 600 600
28
45418.5 180M 1350 482 1492 48222 180L 1390 500 1532 50430 200L 1430 556 1572 56037 225S 1538 597 1680
1800 1200 730 670
62145 225M 1442 628 1579 65255 250M 1582 685 1719 70975 280S 1607 1800 1200 730 670 905 1744 869
150-315
11 160M
160 110 400
1435
100 380
1600 1060 660 600
28
450 1575
100 380 1800 1200 730 670 28
45515 160L 1480 490 1620 475
18.5 180M 1510
1800 1200 730 670
519 1650 52522 180L 1550 555 1690 56030 200L 1590 605 1730 61037 225S 1698 685 1838 69045 225M 1602 694 1742 699
150-400
22 180L
160 110 450
1550
100 415 1800 1200 730 67028
556 1690
100 415 1800 1200 730 67028
56130 200L 1590 612 1730 61737 225S 1698 653 1838 66045 225M 1602 686 1742 69455 250M 1742 765 1882 78975 280S 1767 921 1907 94990 280M 1802
120 435 2000 1340 910 8301126 1942
120 435 2000 1340 910 8301156
110 315S 2018 1306 2158 1338
200-400*)
45 225M
180
245
400
1683 160 470 1900 1500 680 620
18
890 1883 160 470 1900 1500 680 620
18
89855 250M
255
1823
180490
2000 1600690 625 942 2023
180490
2000 1600690 625 950
75 280S 1848715 650
1006 2048715 650
110890 280M 1883
2100 17001190 2083
2100 17001196
110 315S 2099 495 750 685 1488 2299 495 750 685 1499132 315M 2154 200 515 2200 1800 760 690 1639 2354 200 515 2200 1800 760 690 1650
200-500*)
55 250M
250
175
675
1913 160 480 1900 1600 735 675
18
1046 2113 160 480 1900 1600 735 675
18
105475 280S 1938
180490 2000 1700
945 8801200 2138
180490 2000 1700
945 8801210
90 280M 1973 1301 2173 1312110 315S
185
2184 4952100 1800
1579 2384 4952100 1800
1590132 315M 2244
200 515 955 8852633 2444
200 515 955 8851744
160 315Lk 2329 18372529
1858200 315L 2329 220 535 2200 1900 965 890 1970 220 535 2200 1900 965 890 1986250 355S 132 2484 240 595 2300 2000 975 895 22 2262 2684 240 595 2300 2000 975 895 22 2283
250-310*)
30 200L
250195
400
1577 140 4801700 1500
950830
18
630 1777 140 480 1700 1500
950
830
18
66037 225S 1685
160505
680 1910160
505 1800 1600820
69045 225M 1589 750 1789 76555 250M
2051729 510
1800 1600820 795 1929 510
1900 170810
75 280S 1754 180 560 810 900 1954 180 560 810 920
250-330*)
55 250M
250 220 400
1904
120 570 2000 1340 910 830 28
940 2104 120 570 2000 1340 910 830
18
94275 280S 1928 1085 2128 160 460 2100 1800 850 790 119590 280M 1963 1185 2163
180480
2200 1900 860 7951280
110 315S 2179 1470 2379 495 1580
250-400*)
55 250M
200
175
600
1853 160 470 1900 1600 850 790
18
1004 2053 160 470 1900 1600 850 790
18
101275 280S 1878
180480 2000 1700
860 7951158 2078
180480 2000 1700
860 7951170
90 280M 1913 1258 2113 1270110 315S
185
2179 4952100 1800
1536 2379 4952100 1800
1547132 315M 2234
200 515 870 8001690 2434
200 515 870 8001701
160 315Lk 2319 18062519
1822200 315L 2319 220 535 2200 1900 880 805 1906 220 535 2200 1900 880 805 1920
1450 min-1 (4-pole motors)
Typ
e
Mo
tor
[kW
]
Mo
tor
Siz
e
Common With Standard Coupling With Spacer Coupling[mm] [mm]
Wei
gh
t[k
g] [mm]
Wei
gh
t[k
g]
a a2 h2 L h h3 L1 L3 b2 b3 d L h h3 L1 L3 b2 b3 d
*) Oversize
Technical Data
NKG250-500*)
90 280M
300
175
660
2023180
490 2000 1700945 800
18
1416 2223180
490 2000 1700945 800
18
1432110 315S
185
2239 4952100 1800
1694 2439 4952100 1800
1710132 315M 2294
200 515 955 8851830 2494
200 515 955 8851845
160 315Lk 2379 19302578
1945200 315L 2379 220 535 2200 1900 965 890 2030 220 535 2200 1900 965 890 2045250 355S 132 2534 240 595 2300 2000 975 890 2268
2734240 595 2300 2000 975 890 2289
315 355M 134 2534 240 615 2400 2100 985 900 22 2460 240 615 2400 2100 985 900 22 1681
300-360*)
55 250M
300 180 440
1974
180 700
2200 1900
860 795 22
1150 2254
180 700
2200 1900
860 795 22
117075 280S 1999
2300 20001310 2279
2300 20001330
90 280M 2034 1390 2314 1410110 315S 2250
2400 21001690 2530
2400 21001710
132 315M 2305 1840 2585 1860
1450 min-1 (4-pole motors)
Typ
e
Mo
tor
[kW
]
Mo
tor
Siz
e
Common With Standard Coupling With Spacer Coupling[mm] [mm]
Wei
gh
t[k
g] [mm]
Wei
gh
t[k
g]
a a2 h2 L h h3 L1 L3 b2 b3 d L h h3 L1 L3 b2 b3 d
*) Oversize
970 min-1 (6-pole motors)
Typ
e
Mo
tor
[kW
]
Mo
tor
Siz
e
Common With Standard Coupling With Spacer Coupling[mm] [mm]
Wei
gh
t[k
g] [mm]
Wei
gh
t[k
g]
a a2 h2 L h h3 L1 L3 b2 b3 d L h h3 L1 L3 b2 b3 d
100-200
1,5 100L
125 90 280
987
80 280 1120 740 490 440 24
170 1087
80 2801120 740 490 440
24
1702,2 112M 1019 182 1119 1823 132S
1118 200 1258 1250 840 540 490 2124 132M
125-250
2,2 112M
140 90 355
1064
80 330 1250 840 540 490 24
232 1164
80 330 1250 840 540 490 24
2323 132S
1163250
1303250
4 132M 260 2605,5 132M 271 2717,5 160M 1287 306 1427 100 350 1400 940 610 550 28 324
150-315
5,5 132M
160 110 400
1323
100 3801600 1060 660 600
28
395 1463
100 3801600 1060 660 600
28
3957,5 160M 1447 420 1587 42011 160L 1492 460 1632 46015 180L 1582 1800 1200 730 670 527 1722 1800 1200 730 670 527
200-400*)
18,5 200L
180 200 4001677
100 500 1800 1200 730 670 28
7511877 100 500 1800 1200 730 670
28
75022 200L 781 78030 225M 1704 827 1904
120 520 2000 1340 910 830848
37 250M 1838 948 2038 968
200-500*)
30 225M
250 175 675
1793
160 4801900 1600
945885
18
960 1993
160 480
2000 1700
945885
18
96037 250M 1928 1080 2128
2100 1800
108545 280S 1908
2000 17001205 2108 1220
55 280M1943
12652143
127875 280M 180 490 880 1272 180 490 880 1285
250-310*)
11 160L250 200 400
1477140 480 1700 1400 950 890 18
560 1677140 480
1700 1400950 890 18
56015 180L 1567 600 1767 600
18,5 200L 1582 625 1782 1800 1500 640
250-330*)
18,5 200L250 225 400
1757120 570 2000 1340 910 830 28
8001957
120 570 2000 1340 910 830 28800
22 200L 830 83030 225M 1784 874 1984 874
250-400*)
18,5 200L
200 175 600
1707160 470
1800 1500
850790
18
8141907
160 4701900 1600
850790
18
81822 200L 844 84830 225M 1734 890 1934 2000 1700 90037 250M 1869
1900 16001017 2069
2100 18001075
45 280S 1849180 480 780
1150 2049180 480 780
122955 280M 1884 2000 1700 1208 2084 1288
250-500*)
45 280S
300 175 660
1959180
490 2000 1700945 880
18
1240 2159180
490 2200 1900 945 880
18
125555 280M 1994 1300 2194 131575 315S
2430495
2200 19001700
2630495
2400 2100 955 8751715
90 315M200 515 955 875
1827200 515
1842110 315L 1897 1912
300-360*)
22 200L
300 180 440
1827
180 530
1800 1500
860 795 18
991 2107
180 530
2000 1700
860 795 18
100030 225M 1854
1900 16001042 2134 2100 1800 1100
37 250M 1989 1165 22692200 1900
123045 280S 1969
2000 17001294 2249 1350
55 280M 2004 1353 2284 1400*) Oversize
27
32
Performance Ranges NKG
Curve Conditions
Selection of PumpsThe guidelines below apply to the curves shown in theperformance charts on pages 36 - 107.
• Tolerances according to:ISO 2548, Class C, annex B.
The curves show pump performance with differentimpeller diameters at the nominal speed.
• The bold part of the curves show the recom-mended operating range.
The thin parts show the possible operating rangebut the lower efficiency here might suggest the se-lection of a smaller/larger pump type.
Due to the risk of overheating, a flow rate equal to10% of the flow rate at maximum efficiency isneeded at all times.
• The curves apply to the pumping of water at a tem-perature of +20°C and a kinematic viscosity of1 mm²/s (1 cSt).
• ETA: The dashed lines show values of the hydraulicefficiency of the pump.
• NPSH: The curves show average values measuredunder the same conditions as the performancecurves.
When dimensioning the pump, add a safety marginof at least 0.5 m.
Performance TestsThe requested duty point for every pump is tested ac-cording to ISO 2548, class C, annex B and without cer-tification.
In case of pumps ordered with impeller diameter only(no requested duty point), the pump will be tested at aduty point which is 2/3 of the maximum flow of the pub-lished performance curve which is related to the or-dered impeller diameter (according to ISO 2548, classC, annex B).
If the customer requires either more points on the curveto be checked or certain minimum performances or cer-tificates, individual measurements must be made.
CertificatesCertificates have to be confirmed for every order andare available on request as follows:
According to EN 10204• Certificate for compliance
with the order EN 10204-2.1
• Pump certificate EN 10204-2.2
• Works certificate EN 10204-2.3
• Inspection certificate EN 10204-3.1 B
• Inspection certificate EN 10204-3.1 C
According to ISO 2548, Class C, annex B• Certificate A
• Certificate A with approval of official inspector
According to ISO 3555, Class B• Certificate A
• Certificate A with approval of official inspector
Performance Ranges Stand
NKGard Pumps
TM
0131
4935
98P
erf
orm
ance
Ra
nge
2900
min
-1
45
68
1015
2030
4050
6080
100
150
200
300
400
500
600
800
1000
Q [m
³/h]
45678910152030405060708090100
150
H [m
]
NK
G29
00 m
in
32-1
25
32-1
6032-2
00
40-1
25
40-1
60
40-2
00
40-2
50
50-1
2550-1
60
50-2
00
50-2
50
65-1
25
65-1
60
65-2
00
65-2
50
65-3
15
80-1
60
80-2
00
80-2
5080-3
15
100-
200
100-
250
100-
315
125-
250
150-
315
-1
33
34
Performance Ranges Stand
NKGard Pumps
Performance Range 1450 min-1
TM
0131
4841
98P
erfo
rman
ceR
ang
e14
50
min
-1
23
46
810
1520
3040
6080
100
150
200
300
400
600
800
1000
1500
2000
3000
Q [m
³/h]
2345678910152030405060708090100
H [m
]
NK
G14
50 m
in
250-
330
250-
310
65-2
50
32-1
2532-1
60
32-2
00
40-1
2540
-16040
-200
40-2
50
50-1
25
50 -
16050
-200
50-2
50
65-1
25
65-1
6065-2
00
65-3
15
80-1
60
80-2
00
80-2
50
80-3
15
80 -
400
100-
200
100-
250
100-
315
100-
400
125-
250
125-
315
125-
400
150-
315
150-
400
200-
400
200-
500
250-
400
250-
500
-1
300-
360
Performance Ranges Stand
NKGard Pumps
Performance Range 1450 min-1
TM
0131
4741
98P
erfo
rman
ceR
ang
e97
0m
in-1
4050
6070
8090
100
150
200
300
400
500
600
700
800
900
1500
Q [m
³/h]
23456789101520304050
H [m
]
NK
G 9
70 m
in
300
- 36
0
250
- 50
025
0 -
400
250
- 33
025
0 -
310
200
- 50
020
0 -
400
150
- 31
5
125
- 25
0
100
- 20
0
-1
1000
35
36
Performance Curves Stan
NKGdard Pump
TM
0131
9135
98P
erfo
rma
nce
Cur
ves
290
0m
in-1
NK
G3
2-xx
x0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 Q [m³/h]
0
2
4
6
8
10
12
14
16
18
20
22
24
H [m]
NKG 32 - 125
ISO 2548 Class C
50 Hz, n = 2900 min
ø 88 mm
ø 107 mm
ø 119 mm
ø 129 mm
ø 137 mm57 % 60 %
63 %
64.9 %
63 %
60 %
57 %
63.1 %
60.9 %
58.3 %
54.2 %
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 Q [m³/h]0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0P [kW]
2
3
4
5
6
7
8
NPSH[m]
NPSH
ø 88 mm
ø 107 mm
ø 119 mm
ø 129 mm
ø 137 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
9235
98
0 4 8 12 16 20 24 28 32 36 Q [m³/h]6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
H [m]
NKG 32 - 160
ISO 2548 Class C
50 Hz, n = 2900 min
ø 151 mm
ø 159 mm
ø 166 mm
ø 173 mm
54 %57 %
60 %
61.4 %
60 %
57 %
54 %57.6 %
58.9 %
60.2 %
0 4 8 12 16 20 24 28 32 36 Q [m³/h]0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
4.4
P [kW]
1
2
3
4
5
6
7
8
NPSH[m]
NPSH
ø 151 mm
ø 159 mm
ø 166 mm
ø 173 mm
-1
37
38
Performance Curves Stan
NKGdard Pump
TM
0131
9335
980 4 8 12 16 20 24 28 32 Q [m³/h]
12
16
20
24
28
32
36
40
44
48
52
56
60 H [m]
NKG 32 - 200
ISO 2548 Class C
50 Hz, n = 2900 min
ø 178 mm
ø 187 mm
ø 200 mm
ø 209 mm
54 %57 %
60 %
61.5 %
60 %
57 %
54 %
60.2 %
58.3 %
57 %
0 4 8 12 16 20 24 28 32 Q [m³/h]0
1
2
3
4
5
6
P [kW]
0
12345678
NPSH[m]
NPSH
ø 178 mm
ø 187 mm
ø 200 mm
ø 209 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
9435
98N
KG
40-x
xx
0 4 8 12 16 20 24 28 32 36 Q [m³/h]4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
H [m]
NKG 40 - 125
ISO 2548 Class C
50 Hz, n = 2900 min
ø 104 mm
ø 117 mm
ø 124 mm
ø 131 mm
ø 137 mm
57 %60 %
63 %
64.9 %
63 %
60 %
57 %
63.6 %
62 %
60.5 %
57.6 %
0 4 8 12 16 20 24 28 32 36 Q [m³/h]0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
P [kW]
1
2
3
4
5
6
7
8
NPSH[m]
ø 104 mm
NPSH
ø 117 mm
ø 124 mm
ø 131 mm
ø 137 mm
-1
39
40
Performance Curves Stan
NKGdard Pump
TM
0131
9535
980 4 8 12 16 20 24 28 32 36 40 44 48 52 56 Q [m³/h]
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42 H [m]
NKG 40 - 160
ISO 2548 Class C
50 Hz, n = 2900 min
ø 146 mm
ø 155 mm
ø 163 mm
ø 173 mm
63 %66 %
69 %
70.1 %
69 %
66 %
63 %65.4 %
67 %
68.4 %
0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 Q [m³/h]0
1
2
3
4
5
6P [kW]
0
2
4
6
8
10
NPSH[m]
NPSH
ø 146 mm
ø 155 mm
ø 163 mm
ø 173 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
9635
98
0 4 8 12 16 20 24 28 32 36 40 44 48 52 Q [m³/h]28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
H [m]
NKG 40 - 200
ISO 2548 Class C
50 Hz, n = 2900 min
ø 175 mm
ø 187 mm
ø 198 mm
ø 209 mm
60 %63 %
66 %
67.6 %
66 %
63 %
60 %
66 %
64.4 %
62.7 %
0 4 8 12 16 20 24 28 32 36 40 44 48 52 Q [m³/h]0
1
2
3
4
5
6
7
8
9
10P [kW]
0
2
4
6
8
10
12
NPSH[m]
NPSH
ø 175 mm
ø 187 mm
ø 198 mm
ø 209 mm
-1
41
42
Performance Curves Stan
NKGdard Pump
TM
0131
9735
980 4 8 12 16 20 24 28 32 36 40 44 48 52 60Q [m³/h]
36
40
44
48
52
56
60
64
68
72
76
80
84
88
92
H [m]
NKG 40 - 250
ISO 2548 Class C
50 Hz, n = 2900 min
ø 214 mm
ø 230 mm
ø 247 mm
ø 260 mm51 % 54 %
57 %
58.9 %
57 %
54 %
51 %
57.4 %
55.4 %
53.5 %
0 4 8 12 16 20 24 28 32 36 40 44 48 52 60Q [m³/h]0
2
4
6
8
10
12
14
16
18P [kW]
0
2
4
6
8
10
NPSH[m]
NPSH
ø 214 mm
ø 230 mm
ø 247 mm
ø 260 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
9835
98N
KG
50-x
xx
0 10 20 30 40 50 60 70 80 90 Q [m³/h]4
6
8
10
12
14
16
18
20
22
24
H [m]
NKG 50 - 125
ISO 2548 Class C
50 Hz, n = 2900 min
ø 105 mm
ø 119 mm
ø 126 mm
ø 131 mm
ø 137 mm
64 %67 %
70 %
73 %
74.3 %
73 %
70 %
67 %
64 %
55 %
73 %
71.9 %
70.4 %
67.3 %
0 10 20 30 40 50 60 70 80 90 Q [m³/h]0
1
2
3
4
5P [kW]
0
2
4
6
8
10
NPSH[m]
NPSH
ø 105 mm
ø 119 mm
ø 126 mm
ø 131 mm
ø 137 mm
-1
43
44
Performance Curves Stan
NKGdard Pump
TM
0131
9935
980 10 20 30 40 50 60 70 80 90 Q [m³/h]
14
16
18
20
22
24
26
28
30
32
34
36
38
40
H [m]
NKG 50 - 160
ISO 2548 Class C
50 Hz, n = 2900 min
ø 147 mm
ø 157 mm
ø 165 mm
ø 173 mm
68 % 71 %74 %
77 %
78.4 %
77 %
74 %
71 %
68 %
77.1 %
75.7 %
73.9 %
0 10 20 30 40 50 60 70 80 90 Q [m³/h]
0
1
2
3
4
5
6
7
8
9P [kW]
1
2
3
4
5
NPSH[m]
NPSH
ø 147 mm
ø 157 mm
ø 165 mm
ø 173 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0132
0035
98
0 10 20 30 40 50 60 70 80 90 100 Q [m³/h]24
28
32
36
40
44
48
52
56
60
64
H [m]
NKG 50 - 200
ISO 2548 Class C
50 Hz, n = 2900 min
ø 173 mm
ø 185 mm
ø 197 mm
ø 209 mm
64 %67 %
70 %
74.1 %
70 %
67 %
72.3 %
70.6 %
68.9 %64 %
73 %
73 %
0 10 20 30 40 50 60 70 80 90 100 Q [m³/h]
0
2
4
6
8
10
12
14
16
18P [kW]
1
2
3
4
5
6
NPSH[m]
NPSH
ø 173 mm
ø 185 mm
ø 197 mm
ø 209 mm
-1
45
46
Performance Curves Stan
NKGdard Pump
TM
0132
0135
980 10 20 30 40 50 60 70 80 90 Q [m³/h]
44
48
52
56
60
64
68
72
76
80
84
88
92
H [m]
NKG 50 - 250
ISO 2548 Class C
50 Hz, n = 2900 min
ø 221 mm
ø 234 mm
ø 247 mm
ø 260 mm
60 % 63 %
66 %
67.5 %
66 %
63 %
60 %
66 %
64.5 %
63 %
0 10 20 30 40 50 60 70 80 90 Q [m³/h]
0
2468
101214161820222426
P [kW]
0
2468
1012
NPSH[m]
NPSH
ø 221 mm
ø 234 mm
ø 247 mm
ø 260 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0132
0235
98N
KG
65-x
xx
0 20 40 60 80 100 120 140 160 Q [m³/h]
6
8
10
12
14
16
18
20
22
24
H [m]
NKG 65 - 125
ISO 2548 Class C
50 Hz, n = 2900 min
ø 119 mm
ø 125 mm
ø 131 mm
ø 137 mm
69 %72 %
75 %
78 %
79.5 %
78 %
75 %
72 %
69 %
78.1 %
76.8 %
75.5 %
0 20 40 60 80 100 120 140 160 Q [m³/h]
0
1
2
3
4
5
6
7
8
P [kW]
2
3
4
5
6
7
8
NPSH[m]
NPSH
ø 119 mm
ø 125 mm
ø 131 mm
ø 137 mm
-1
47
48
Performance Curves Stan
NKGdard Pump
TM
0132
0335
980 20 40 60 80 100 120 140 160 180 200 Q [m³/h]
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40 H [m]
NKG 65 - 160
ISO 2548 Class C
50 Hz, n = 2900 min
ø 149 mm
ø 157 mm
ø 166 mm
ø 173 mm
67 %70 %
73 %
77.3 %
76 %
76 %
73 %
70 %
67 %
76.1 %
74.5 %
73.1 %
0 20 40 60 80 100 120 140 160 180 200 Q [m³/h]
0
2
4
6
8
10
12
14
16
P [kW]
2
3
4
5
6
7
8
NPSH[m]
NPSHø 149 mm
ø 157 mm
ø 166 mm
ø 173 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0132
0435
98
0 20 40 60 80 100 120 140 160 180 200 Q [m³/h]
16
20
24
28
32
36
40
44
48
52
56
60
H [m]
NKG 65 - 200
ISO 2548 Class C
50 Hz, n = 2900 min
ø 183 mm
ø 192 mm
ø 200 mm
ø 209 mm
65 % 68 %71 %
74 %
74 %
71 %
68 %
65 %
75.8 %
74.5 %
73.4 %
72.1 %
0 20 40 60 80 100 120 140 160 180 200 Q [m³/h]
0
2468
101214161820222426
P [kW]
1
23456789
10
NPSH[m]
NPSH
ø 183 mm
ø 192 mm
ø 200 mm
ø 209 mm
-1
49
50
Performance Curves Stan
NKGdard Pump
TM
0132
0535
980 20 40 60 80 100 120 140 160 180 Q [m³/h]
24
28
32
36
40
44
48
52
56
60
64
68
72
76
80
84
88
H [m]
NKG 65 - 250
ISO 2548 Class C
50 Hz, n = 2900 min
ø 222 mm
ø 235 mm
ø 247 mm
ø 260 mm
64 % 67 %70 %
71.7 %
70 %
67 %
64 %
70.2 %
68.8 %
67.3 %
0 20 40 60 80 100 120 140 160 180 Q [m³/h]
0
4
8
12
16
20
24
28
32
36
40P [kW]
0
2
4
6
8
10
12
NPSH[m]
NPSH
ø 222 mm
ø 235 mm
ø 247 mm
ø 260 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0132
0635
98
0 20 40 60 80 100 120 140 160 180 200 Q [m³/h]
40
50
60
70
80
90
100
110
120
130
140
H [m]
NKG 65 - 315
ISO 2548 Class C
50 Hz, n = 2900 min
ø 270 mm
ø 292 mm
ø 311 mm
ø 330 mm
60 %63 %
66 %
67 %
66 %
63 %
60 %
65.3 %
63.6 %
61.6 %
0 20 40 60 80 100 120 140 160 180 200 Q [m³/h]0
10
20
30
40
50
60
70
80
P [kW]
0
2
4
6
8
NPSH[m]
NPSH
ø 270 mm
ø 292 mm
ø 311 mm
ø 330 mm
-1
51
52
Performance Curves Stan
NKGdard Pump
TM
0132
0735
98N
KG
80-x
xx
0 20 40 60 80 100 120 140 160 180 200 220 240 Q [m³/h]
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
H [m]
NKG 80 - 160
ISO 2548 Class C50 Hz, n = 2900 min
ø 148 mm
ø 158 mm
ø 166 mm
ø 173 mm
69 %72 %
75 %
78 %
79.6 %
78 %
75 %
72 %
69 %
78.3 %
77 %
75.2 %
0 20 40 60 80 100 120 140 160 180 200 220 240 Q [m³/h]0
2
4
6
8
10
12
14
16
18
20
22P [kW]
2
3
4
5
6
7
NPSH[m]
NPSH
ø 148 mm
ø 158 mm
ø 166 mm
ø 173 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0132
0835
98
0 20 40 60 80 100 120 140 160 180 200 220 240 260 Q [m³/h]20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
H [m]
NKG 80 - 200
ISO 2548 Class C
50 Hz, n = 2900 min
ø 180 mm
ø 195 mm
ø 202 mm
ø 209 mm
72 %75 %
78 %
81 %
82.7 %
81 %
78 %
75 %
72 %
81.7 %
80.7 %
78.6 %
0 20 40 60 80 100 120 140 160 180 200 220 240 260 Q [m³/h]0
4
8
12
16
20
24
28
32
36
P [kW]
1
2
3
4
5
6
7
NPSH[m]
NPSH
ø 180 mm
ø 195 mm
ø 202 mm
ø 209 mm
-1
53
54
Performance Curves Stan
NKGdard Pump
TM
0132
0935
980 20 40 60 80 100 120 140 160 180 200 220 240 Q [m³/h]
40
44
48
52
56
60
64
68
72
76
80
84
88
92
H [m]
NKG 80 - 250
ISO 2548 Class C50 Hz, n = 2900 min
ø 223 mm
ø 236 mm
ø 248 mm
ø 260 mm
70 %73 %
76 %
79 %
80.1 %
79 %
76 %
73 %
70 %
78.8 %
77.4 %
75.9 %
0 20 40 60 80 100 120 140 160 180 200 220 240 Q [m³/h]0
10
20
30
40
50
60
P [kW]
1
23456789
NPSH[m]
NPSH
ø 223 mm
ø 236 mm
ø 248 mm
ø 260 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0132
1035
98
0 20 40 60 80 100 120 140 160 180 200 220 240 260 Q [m³/h]
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
H [m]
NKG 80 - 315
ISO 2548 Class C
50 Hz, n = 2900 min
ø 280 mm
ø 300 mm
ø 315 mm
ø 330 mm58 %
64 %
67 %
70 %
71.7 %
70 %70.3 %
69 %
67.2 %
0 20 40 60 80 100 120 140 160 180 200 220 240 260 Q [m³/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
P [kW]
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
NPSH[m]
NPSH
ø 280 mm
ø 300 mm
ø 315 mm
ø 330 mm
-1
55
56
Performance Curves Stan
NKGdard Pump
TM
0132
1135
98N
KG
100-
xxx
0 25 50 75 100 125 150 175 200 225 250 275 300 325 Q [m³/h]
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
H [m]
NKG 100 - 200
ISO 2548 Class C50 Hz, n = 2900 min
ø 177 mm
ø 188 mm
ø 198 mm
ø 209 mm71 % 74 %
77 %80 %
81 %
81.9 %
81 %
80 %
77 %
74 %
78.7 %
79.9 %
81 %
71 %
0 25 50 75 100 125 150 175 200 225 250 275 300 325 Q [m³/h]0
5
10
15
20
25
30
35
40
45
50
55
P [kW]
2
4
6
8
10
12
NPSH[m]
NPSH
ø 177 mm
ø 188 mm
ø 198 mm
ø 209 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0132
1235
98
0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 Q [m³/h]
28
32
36
40
44
48
52
56
60
64
68
72
76
80
84
88
92
H [m]
NKG 100 - 250
ISO 2548 Class C
50 Hz, n = 2900 min
ø 232 mm
ø 241 mm
ø 250 mm
ø 264 mm
71 % 74 %77 %
80 %
81.2 %
80 %
77 %
74 %
71 %
80 %
79 %
78 %
0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 Q [m³/h]0
10
20
30
40
50
60
70
80
90
P [kW]
2
4
6
8
10
12
NPSH[m]
NPSH
ø 232 mm
ø 241 mm
ø 250 mm
ø 264 mm
-1
57
58
Performance Curves Stan
NKGdard Pump
TM
0132
1335
980 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 Q [m³/h]
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
H [m]
NKG 100 - 315
ISO 2548 Class C
50 Hz, n = 2900 min
ø 260 mm
ø 286 mm
ø 309 mm
ø 330 mm65 %
68 %
71 %
72.6 %
71 %
68 %
70.6 %
68.6 %
66.2 %
0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 Q [m³/h]0
20
40
60
80
100
120
140
160
180P [kW]
0
2
4
6
8
10
NPSH[m]
NPSH
ø 260 mm
ø 286 mm
ø 309 mm
ø 330 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0132
1435
98N
KG
125-
250
0 40 80 120 160 200 240 280 320 360 400 440 480 Q [m³/h]
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90 H [m]
NKG 125 - 250
ISO 2548 Class C50 Hz, n = 2900 min
ø 200 mm
ø 222 mm
ø 243 mm
ø 263 mm72 % 75 %
78 %
81 %
82.7 %
81 %
80.7 %
78.3 %
75.8 %
0 40 80 120 160 200 240 280 320 360 400 440 480 Q [m³/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
P [kW]
3
4
5
6
7
8
NPSH[m]
NPSH
ø 200 mm
ø 222 mm
ø 243 mm
ø 263 mm
-1
59
60
Performance Curves Ove
NKGrsize Pump
TM
0132
1535
98N
KG
150-
315
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 Q [m³/h]
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
H [m]
NKG 150 - 315
ISO 2548 Class C50 Hz, n = 2900 min
ø 260 mm
ø 285 mm
ø 310 mm
ø 330 mm
72 %75 %
78 %
81 %
82.6 %
81 %
80.8 %
78.5 %
76.2 %
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 Q [m³/h]
0
25
50
75
100
125
150
175
200
225
250
275
300
P [kW]
5
6
7
8
9
10
NPSH[m]
NPSH
ø 260 mm
ø 285 mm
ø 310 mm
ø 330 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
5135
98P
erfo
rma
nce
Cur
ves
145
0m
in-1
NK
G3
2-xx
x
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Q [m³/h]
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
H [m]
NKG 32 - 125
ISO 2548 Class C
50 Hz, n = 1450 min
ø 129 mm
ø 88 mm
ø 107 mm
ø 119 mm
ø 137 mm 57 %60 %
63 %
64.9 %
63 %
60 %
57 %
63.1 %
60.9 %
58.3 %
54.2 %
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Q [m³/h]
0.00
0.04
0.08
0.12
0.16
0.20
0.24
P [kW]
1
2
3
4
5
6
NPSH[m]
ø 107 mm
ø 119 mm
ø 129 mm
NPSH
ø 137 mm
ø 88 mm
-1
61
62
Performance Curves Stan
NKGdard Pump
TM
0131
5235
980 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Q [m³/h]
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
H [m]
NKG 32 - 160
ISO 2548 Class C
50 Hz, n = 1450 min
ø 151 mm
ø 159 mm
ø 166 mm
ø 173 mm
54 %57 %
60 %
61.4 %
60 %
57 %
54 %
60.2 %
58.9 %
57.6 %
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Q [m³/h]0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.55
P [kW]
0
1
2
3
4
5
6
NPSH[m]
ø 151 mm
ø 159 mm
ø 166 mm
ø 173 mm
NPSH
-1
Performance Curves Stan
NKGdard Pump
TM
0131
5335
98
0 2 4 6 8 10 12 14 16 18 Q [m³/h]2
3
4
5
6
7
8
9
10
11
12
13
14
H [m]
NKG 32 - 200
ISO 2548 Class C
50 Hz, n = 1450 min
ø 178 mm
ø 187 mm
ø 200 mm
ø 209 mm54 %
57 %
60 %
61.5 %
60 %
57 %
54 %
60.2 %
58.3 %
57 %
0 2 4 6 8 10 12 14 16 18 Q [m³/h]
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
P [kW]
0
1
2
3
4
5
6
NPSH[m]
ø 178 mm
ø 187 mm
ø 200 mm
ø 209 mm
NPSH
-1
63
64
Performance Curves Stan
NKGdard Pump
TM
0131
5435
98N
KG
40-x
xx0 2 4 6 8 10 12 14 16 18 20 Q [m³/h]
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
H [m]
NKG 40 - 125
ISO 2548 Class C
50 Hz, n = 1450 min
ø 104 mm
ø 117 mm
ø 124 mm
ø 137 mm
ø 131 mm
57 %
60 %
63 %
64.9 %
63 %
60 %
57 %
63.6 %
62 %
60.5 %
57.6 %
0 2 4 6 8 10 12 14 16 18 20 Q [m³/h]0.00
0.05
0.10
0.15
0.20
0.25
0.30
P [kW]
0
2
4
6
NPSH[m]
ø 104 mm
ø 117 mm
ø 124 mm
ø 131 mm
ø 137 mm
NPSH
-1
Performance Curves Stan
NKGdard Pump
TM
0131
5535
98
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Q [m³/h]1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
H [m]
NKG 40 - 160
ISO 2548 Class C
50 Hz, n = 1450 min ø 173 mm
ø 146 mm
ø 155 mm
ø 163 mm
63 %66 %
69 %
70.1 %
69 %
66 %
63 %
68.4 %
67 %
65.4 %
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Q [m³/h]
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
P [kW]
012345678
NPSH[m]
ø 173 mm
NPSH
ø 146 mm
ø 155 mm
ø 163 mm
-1
65
66
Performance Curves Stan
NKGdard Pump
TM
0131
5635
980 2 4 6 8 10 12 14 16 18 20 22 24 26 Q [m³/h]
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
12.5
13.0
13.5
14.0
14.5
H [m]
NKG 40 - 200
ISO 2548 Class C
50 Hz, n = 1450 min
ø 175 mm
ø 187 mm
ø198 mm
ø 209 mm
60 %
63 %
66 %
67.6 %
66 %
63 %
60 %
66 %
64.4 %
62.7 %
0 2 4 6 8 10 12 14 16 18 20 22 24 26 Q [m³/h]
0.0
0.2
0.4
0.6
0.8
1.0
1.2
P [kW]
0
12345678
NPSH[m]
ø 175 mm
ø 187 mm
ø 198 mm
ø 209 mm
NPSH
-1
Performance Curves Stan
NKGdard Pump
TM
0131
5735
98
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 Q [m³/h]10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
21.0
22.0
23.0
H [m]
NKG 40 - 250
ISO 2548 Class C
50 Hz, n = 1450 min
ø 214 mm
ø 230 mm
ø 247 mm
ø 260 mm
51 %54 %
57 %
58.9 %
57 %
54 %
51 %
57.4 %
55.4 %
53.5 %
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 Q [m³/h]0.0
0.4
0.8
1.2
1.6
2.0
P [kW]
0
1
2
3
4
5
6
7
NPSH[m]
NPSH
ø 214 mm
ø 230 mm
ø 247 mm
ø 260 mm
-1
67
68
Performance Curves Stan
NKGdard Pump
TM
0131
5835
98N
KG
50-x
xx0 4 8 12 16 20 24 28 32 36 40 44 Q [m³/h]
1.21.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
4.4
4.8
5.2
5.6
6.0
H [m]
NKG 50 - 125
ISO 2548 Class C
50 Hz, n = 1450 min
ø 131 mm
ø 126 mm
ø 105 mm
ø 119 mm
ø 137 mm
64 %67 %
70 %
73 %
73 %
70 %
67 %
64 %
74.3 %
73 %
71.9 %
70.4 %
67.3 %
0 4 8 12 16 20 24 28 32 36 40 44 Q [m³/h]
0.0
0.1
0.2
0.3
0.4
0.5
0.6
P [kW]
0
1234567
NPSH[m]
ø 105 mm
NPSH
ø 119 mm
ø 126 mm
ø 131 mm
ø 137 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
5935
98
0 5 10 15 20 25 30 35 40 45 Q [m³/h]3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
H [m]
NKG 50 - 160
ISO 2548 Class C
50 Hz, n = 1450 min
ø 165mm
ø 157 mm
ø 147 mm
ø 173 mm
68 %71 %
74 %
77 %
78.2 %
77 %
74 %
71 %
68 %
76.9 %
75.5 %
73.7 %
0 5 10 15 20 25 30 35 40 45 Q [m³/h]0.0
0.2
0.4
0.6
0.8
1.0
P [kW]
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
NPSH[m]
NPSH
ø 147 mm
ø 157 mm
ø 165 mm
ø 173 mm
-1
69
70
Performance Curves Stan
NKGdard Pump
TM
0131
6035
980 5 10 15 20 25 30 35 40 45 Q [m³/h]
6
7
8
9
10
11
12
13
14
15
16
H [m]
NKG 50 - 200
ISO 2548 Class C50 Hz, n = 1450 min
ø 197 mm
ø 185 mm
ø 173 mm
ø 209 mm
64 %67 %
70 %
73 %
74.1 %
73 %
70 %
67 %
64 %
72.3 %
70.6 %
68.9 %
0 5 10 15 20 25 30 35 40 45 Q [m³/h]0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2P [kW]
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
NPSH[m]
NPSH
ø 173 mm
ø 185 mm
ø 197 mm
ø 209 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
6135
98
0 5 10 15 20 25 30 35 40 Q [m³/h]11
12
13
14
15
16
17
18
19
20
21
22
23 H [m]
NKG 50 - 250
ISO 2548 Class C
50 Hz, n = 1450 min
ø 247 mm
ø 234 mm
ø 221 mm
ø 260 mm60 %
63 %
66 %
67.5 %
66 %
66 %
63 %
66 %
64.5 %
66 %
0 5 10 15 20 25 30 35 40 Q [m³/h]0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
P [kW]
0
2
4
6
8
NPSH[m]
NPSH
ø 221 mm
ø 234 mm
ø 247 mm
ø 260 mm
-1
71
72
Performance Curves Stan
NKGdard Pump
TM
0131
6235
98N
KG
65-x
xx0 10 20 30 40 50 60 70 Q [m³/h]
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
H [m]
NKG 65 - 125
ISO 2548 Class C50 Hz, n = 1450 min
ø 131 mm
ø 125 mm
ø 119 mm
ø 137 mm
69 %72 %
75 %
78 %
79.5 %
78 %
75%
75 %
69 %
78.1 %
76.8 %
75.5 %
0 10 20 30 40 50 60 70 Q [m³/h]0.00
0.20
0.40
0.60
0.80
1.00
P [kW]
1
2
3
4
5
NPSH[m]
NPSH
ø 119 mm
ø 125 mm
ø 131 mm
ø 137 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
6335
98
0 10 20 30 40 50 60 70 80 90 Q [m³/h]2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
H [m]
NKG 65 - 160
ISO 2548 Class C
50 Hz, n = 1450 min
ø 166 mm
ø 157 mm
ø 149 mm
ø 173 mm
67 %70 %
73 %
76 %
77.3 %
76 %
73 %
70 %
67 %
76.1 %
74.5 %
73.1 %
0 10 20 30 40 50 60 70 80 90 Q [m³/h]0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0P [kW]
1
2
3
4
5
6
NPSH[m]
NPSH
ø 149 mm
ø 157 mm
ø 166 mm
ø 173 mm
-1
73
74
Performance Curves Stan
NKGdard Pump
TM
0131
6435
980 10 20 30 40 50 60 70 80 90 Q [m³/h]
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
12.5
13.0
13.5
14.0
14.5
15.0
H [m]
NKG 65 - 200
ISO 2548 Class C
50 Hz, n = 1450 min
ø 200 mm
ø 192 mm
ø 183 mm
ø 209 mm65 % 68 %
71 %
74 %
75.8 %
74 %
71 %
68 %
65 %
74.5 %
73.4 %
72.1 %
0 10 20 30 40 50 60 70 80 90 Q [m³/h]0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
P [kW]
0
2
4
6
8
NPSH[m]
NPSH
ø 183 mm
ø 192 mm
ø 200 mm
ø 209 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
6535
98
0 10 20 30 40 50 60 70 80 Q [m³/h]5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
H [m]
NKG 65 - 250
ISO 2548 Class C50 Hz, n = 1450 min
ø 247 mm
ø 235 mm
ø 222 mm
ø 260 mm64 %
67 %
70 %
70 %
67 %
64 %
71.7 %
70.2 %
68.8 %
67.3 %
0 10 20 30 40 50 60 70 80 Q [m³/h]0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0P [kW]
0
2
4
6
8
10
NPSH[m]
NPSH
ø 222 mm
ø 235 mm
ø 247 mm
ø 260 mm
-1
75
76
Performance Curves Stan
NKGdard Pump
TM
0131
6635
980 10 20 30 40 50 60 70 80 90 Q [m³/h]
10
12
14
16
18
20
22
24
26
28
30
32
34
36
H [m]
NKG 65 - 315
ISO 2548 Class C
50 Hz, n = 1450 min
ø 311 mm
ø 292 mm
ø 270 mm
ø 330 mm
60 %
63 %
66 %
66 %
63 %
60%
65.3 %
63.6 %
61.6 %
67 %
0 10 20 30 40 50 60 70 80 90 Q [m³/h]0
2
4
6
8
10
P [kW]
0
1
2
3
4
5
6
NPSH[m]
NPSH
ø 270 mm
ø 292 mm
ø 311 mm
ø 330 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
6735
98N
KG
80-x
xx
0 10 20 30 40 50 60 70 80 90 100 110 120 Q [m³/h]
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
H [m]
NKG 80 - 160
ISO 2548 Class C
50 Hz, n = 1450 min
ø 166 mm
ø 158 mm
ø 148 mm
ø 173 mm
79.6 %
69 %
72 %
75 %
78 %
78 %
75 %
72 %
69 %
78.3 %
77 %
75.2 %
0 10 20 30 40 50 60 70 80 90 100 110 120 Q [m³/h]
0.0
0.4
0.8
1.2
1.6
2.0
2.4
P [kW]
0
2
4
6
NPSH[m]
NPSH
ø 148 mm
ø 158 mm
ø 166 mm
ø 173 mm
-1
77
78
Performance Curves Stan
NKGdard Pump
TM
0131
6835
980 10 20 30 40 50 60 70 80 90 100 110 120 Q [m³/h]
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
12.5
13.0
13.5
14.0
14.5
H [m]
NKG 80 - 200
ISO 2548 Class C
50 Hz, n = 1450 min
ø 202 mm
ø 195 mm
ø 180 mm
ø 209 mm
72 %75 %
78 %
81 %
82.7 %
81 %
78 %
75 %
72 %
81.7 %
80.7 %
78.6 %
0 10 20 30 40 50 60 70 80 90 100 110 120 Q [m³/h]0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5P [kW]
1
2
3
4
5
NPSH[m]
NPSH
ø 180 mm
ø 195 mm
ø 202 mm
ø 209 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
6935
98
0 10 20 30 40 50 60 70 80 90 100 110 120 Q [m³/h]
10
11
12
13
14
15
16
17
18
19
20
21
22
23
H [m]
NKG 80 - 250
ISO 2548 Class C
50 Hz, n = 1450 min
ø 248 mm
ø 236 mm
ø 223 mm
ø 260 mm
57 %70 %
73 %
76 %
79 %
80.1 %
79 %
76 %
73 %
70 %
78.8 %
77.4 %
75.9 %
0 10 20 30 40 50 60 70 80 90 100 110 120 Q [m³/h]
0
1
2
3
4
5
6
7
P [kW]
1
2
3
4
5
6
NPSH[m]
NPSH
ø 223 mm
ø 236 mm
ø 248 mm
ø 260 mm
-1
79
80
Performance Curves Stan
NKGdard Pump
TM
0131
7035
980 10 20 30 40 50 60 70 80 90 100 110 120 130 Q [m³/h]
16
18
20
22
24
26
28
30
32
34
36
H [m]
NKG 80 - 315
ISO 2548 Class C
50 Hz, n = 1450 min
ø 315 mm
ø 300 mm
ø 280 mm
ø 330 mm
59 %
64 %
67 %
70 %
70 %
67 %
70.3 %
71.7 %
69 %
67.2 %
0 10 20 30 40 50 60 70 80 90 100 110 120 130 Q [m³/h]
0
2
4
6
8
10
12
14
P [kW]
4
5
6
7
8
NPSH[m]
NPSH
ø 280 mm
ø 300 mm
ø 315 mm
ø 330 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
7841
98
0 20 40 60 80 100 120 140 160 180 Q [m³/h]20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
H [m]
NKG 80 - 400
ISO 2548 Class C50 Hz, n = 1450 min
ø 367 mm
ø 383 mm
ø 399 mm
ø 415 mm60 % 63 %
64 %
66 %
67.2 %
66 %
64 %
63 %
60 %
66 %
64.9 %
63.7 %
0 20 40 60 80 100 120 140 160 180 Q [m³/h]
0
4
8
12
16
20
24
28
32
P [kW]
1
2
3
4
5
6
7
8
NPSH[m]
NPSH
ø 367 mm
ø 383 mm
ø 399 mm
ø 415 mm
-1
81
82
Performance Curves Stan
NKGdard Pump
TM
0131
7135
98N
KG
100-
xxx
0 20 40 60 80 100 120 140 160 180 200 220 Q [m³/h]
3
4
5
6
7
8
9
10
11
12
13
14
H [m]
NKG 100 - 200
ISO 2548 Class C
50 Hz, n = 1450 min
ø 177 mm
ø 188 mm
ø 198 mm
ø 209 mm67 % 70 %
73 %
76 %
76 %
73 %
70 %
67 %
77.9 %
76.7 %
75.6 %
74.5 %
0 20 40 60 80 100 120 140 160 180 200 220 Q [m³/h]0
1
2
3
4
5
6
7
P [kW]
0.0
2.0
4.0
6.0
8.0
NPSH[m]
NPSH
ø 177 mm
ø 188 mm
ø 198 mm
ø 209 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
7235
98
0 20 40 60 80 100 120 140 160 180 200 Q [m³/h]8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
H [m]
NKG 100 - 250
ISO 2548 Class C
50 Hz, n = 1450 min
ø 232 mm
ø 241 mm
ø 250 mm
ø 264 mm
71 % 74 %77 %
80 %
80 %
77 %
74 %
71 %
81.2 %
80 %
79 %
78 %
0 20 40 60 80 100 120 140 160 180 200 Q [m³/h]
0
2
4
6
8
10
12
P [kW]
0
2
4
6
8
10
NPSH[m]
NPSH
ø 232 mm
ø 241 mm
ø 250 mm
ø 264 mm
-1
83
84
Performance Curves Stan
NKGdard Pump
TM
0131
7335
980 20 40 60 80 100 120 140 160 180 200 Q [m³/h]
16
18
20
22
24
26
28
30
32
34
36
38
H [m]
NKG 100 - 315
ISO 2548 Class C
50 Hz, n = 1450 min
ø 260 mm
ø 286 mm
ø 309 mm
ø 330 mm
77 %
78.6 %
76.7 %
74.6 %
72 %
71 %
68 % 71 %
74 %
0 20 40 60 80 100 120 140 160 180 200 Q [m³/h]
0
4
8
12
16
20
P [kW]
0
1
2
3
4
5
6
NPSH[m]
NPSH
ø 260 mm
ø 286 mm
ø 309 mm
ø 330 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
7435
98
0 40 80 120 160 200 240 280 320 360 Q [m³/h]
12
16
20
24
28
32
36
40
44
48
52
56
60
H [m]
NKG 100 - 400
ISO 2548 Class C
50 Hz, n = 1450 min
ø 330 mm
ø 361 mm
ø 380 mm
ø 415 mm
64 %67 %
70 %
73 %
73 %
70 %
67 %
64 %
74.6 %
70.7 %
72.8 %
68.5 %
0 40 80 120 160 200 240 280 320 360 Q [m³/h]
0
8
16
24
32
40
48
56
P [kW]
1
2
3
4
5
6
NPSH[m]
NPSH
ø 330 mm
ø 361 mm
ø 380 mm
ø 415 mm
-1
85
86
Performance Curves Stan
NKGdard Pump
TM
0131
7735
98N
KG
125-
xxx
0 40 80 120 160 200 240 280 320 360 Q [m³/h]4
6
8
10
12
14
16
18
20
22
H [m]
NKG 125 - 250
ISO 2548 Class C50 Hz, n = 1450 min
ø 222 mm
ø 243 mm
ø 200 mm
ø 263 mm
80.8 %
78.3 %
85.2 %
83.2 %
75 % 78 %81 %
84 %
84 %
81 %
78 %
75 %
0 40 80 120 160 200 240 280 320 360 Q [m³/h]0
4
8
12
16
20
P [kW]
0
1
2
3
4
5
6
NPSH[m]
NPSH
ø 200 mm
ø 222 mm
ø 243 mm
ø 263 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
8035
98
0 40 80 120 160 200 240 280 320 360 Q [m³/h]
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
H [m]
NKG 125 - 315
ISO 2548 Class C
50 Hz, n = 1450 min
ø 291 mm
ø 311 mm
ø 266 mm
ø 330 mm72 % 75 %
78 %
81 %
82.3 %
81 %
78 %
75 %
72 %
80.5 %
78.7 %
76.4 %
0 40 80 120 160 200 240 280 320 360 Q [m³/h]
0
4
8
12
16
20
24
28
P [kW]
1
2
3
4
5
NPSH[m]
NPSH
ø 266 mm
ø 291 mm
ø 311 mm
ø 330 mm
-1
87
88
Performance Curves Stan
NKGdard Pump
TM
0131
7935
980 40 80 120 160 200 240 280 320 360 400 440 Q [m³/h]
16
20
24
28
32
36
40
44
48
52
56
60
H [m]
NKG 125 - 400
ISO 2548 Class C
50 Hz, n = 1450 min
ø 346 mm
ø 370 mm
ø 393 mm
ø 415 mm69 % 72 %
75 %
78 %
79.7 %
78 %
75 %
72 %
69 %
78.1 %
76.4 %
74.7 %
0 40 80 120 160 200 240 280 320 360 400 440 Q [m³/h]
0
8
16
24
32
40
48
56
64
P [kW]
1
2
3
4
5
NPSH[m]
NPSH
ø 346 mm
ø 370 mm
ø 393 mm
ø 415 mm
-1
Performance Curves Stan
NKGdard Pump
TM
0131
7535
98N
KG
150-
xxx
0 40 80 120 160 200 240 280 320 360 400 440 480 520 560 600 Q [m³/h]6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
H [m]
NKG 150 - 315
ISO 2548 Class C
50 Hz, n = 1450 min
ø 260 mm
ø 285 mm
ø 310 mm
ø 330 mm74 % 77 %
80 %
83 %
84.9 %
83 %
80 %
77 %
74 %
83 %
80.8 %
78.5 %
0 40 80 120 160 200 240 280 320 360 400 440 480 520 560 600 Q [m³/h]4
8
12
16
20
24
28
32
36
P [kW]
1
2
3
4
5
6
7
NPSH[m]
NPSH
ø 260 mm
ø 285 mm
ø 310 mm
ø 330 mm
-1
89
90
Performance Curves Stan
NKGdard Pump
TM
0131
7635
980 40 80 120 160 200 240 280 320 360 400 440 480 520 560 Q [m³/h]
20
24
28
32
36
40
44
48
52
56
60
64
H [m]
NKG 150 - 400
ISO 2548 Class C
50 Hz, n = 1450 min
ø 350 mm
ø 380 mm
ø 397 mm
ø 415 mm
71 %
74 %77 %
80 %
81.7 %
80 %
77 %
74 %
71 %
80.4 %
79.1 %
77 %
0 40 80 120 160 200 240 280 320 360 400 440 480 520 560 Q [m³/h]
0
10
20
30
40
50
60
70
80
90P [kW]
1
2
3
4
5
6
7
NPSH[m]
NPSH
ø 350 mm
ø 380 mm
ø 397 mm
ø 415 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0121
5235
98N
KG
200-
xxx
0 100 200 300 400 500 600 700 800 Q [m³/h]
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
H [m]
NKG 200 - 400
ISO 2548 Class C50 Hz, n = 1450 min
ø 405 mm
ø 380 mm
ø 360 mm
ø 340 mm
75 %78 %
81 %83 %
84 %85 %
86 %
85 %
84 %
83 %
81 %
78 %
75 %
85 %
84 %
83 %
0 100 200 300 400 500 600 700 800 Q [m³/h]
0
10
20
30
40
50
60
70
80
90
100
110
P [kW]
2
3
4
5
6
7
8
NPSH[m]
NPSH
ø 405 mm
ø 380 mm
ø 340 mm
ø 360 mm
-1
91
92
Performance Curves Ove
NKGrsize Pump
TM
0121
5335
980 100 200 300 400 500 600 700 800 Q [m³/h]
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
H [m]
NKG 200 - 500
ISO 2548 Class C50 Hz, n = 1450 min
ø 540 mm
ø 505 mm
ø 465 mm
ø 425mm
69 %72 %
75 %78 %
79.5 %
78 %
75 %
72 %
69 %
77.5 %
75,3 %.
73, 1 %
0 100 200 300 400 500 600 700 800 Q [m³/h]0
20
40
60
80
100
120
140
160
180
200
220
240P [kW]
2
3
4
5
6
7
8
9
10
11
12
13
NPSH[m]
NPSH
ø 505 mm
ø 540 mm
ø 425 mm
ø 465 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0133
0038
98N
KG
250-
xxx
0 100 200 300 400 500 600 700 800 900 1000 Q [m³/h]
6
8
10
12
14
16
18
20
22
24
26
H [m]
NKG 250 - 310
ISO 2548 Class C
50 Hz, n = 1450 min
ø 281 mm
ø 296 mm
ø 312 mm
ø 265 mm
84.7 %
83.3 %
81.7 %
80.6 %
75 %78 %
81 %
84 %
84 %
81 %
78 %
75 %
0 100 200 300 400 500 600 700 800 900 1000 Q [m³/h]0
10
20
30
40
50
P2 [kW]
4
6
8
10
NPSH[m]
NPSH
ø 312 mm
ø 296 mm
ø 281 mm
ø 265 mm
-1
93
94
Performance Curves Ove
NKGrsize Pump
TM
0133
0138
980 100 200 300 400 500 600 700 800 900 1000 1100 1200 Q [m³/h]
12
14
16
18
20
22
24
26
28
30
32
34
H [m]
NKG 250 - 330
ISO 2548 Class C
50 Hz, n = 1450 min
ø 290 mm
ø 310 mm
ø 330 mm
77 %
80 %
83 %
86 %
86 %
83 %
80 %
77 %
87.0 %
83.0 %
80.6 %
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 Q [m³/h]
0
10
20
30
40
50
60
70
80
90P2 [kW]
4
5
6
7
8
9
NPSH[m]
NPSH
ø 330 mm
ø 310 mm
ø 290 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0121
5535
98
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 Q [m³/h]10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60 H [m]
NKG 250 - 400
ISO 2548 Class C50 Hz, n = 1450 min
ø 415 mm
ø 400 mm
ø 375 mm
ø 350 mm
ø 320 mm
40 %50 %
60 %70 %
75 % 80 %
83 %85 %
60 %
70 %
86.9 %
86.3 %
84.7 %
82.2 %
77.5 %
85 %
83 %
80 %
75 %
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 Q [m³/h]0
20
40
60
80
100
120
140
160
180
P [kW]
3.0
4.0
5.0
6.0
7.0
8.0
9.0
NPSH[m]
NPSH
ø 400 mm
ø 415mm
ø 372 mm
ø 350 mm
ø 320 mm
-1
95
96
Performance Curves Ove
NKGrsize Pump
TM
0121
5635
980 100 200 300 400 500 600 700 800 900 1000 Q [m³/h]
48
52
56
60
64
68
72
76
80
84
88
92
96
100
104
H [m]
NKG 250 - 500
ISO 2548 Class C50 Hz, n = 1450 min ø 540 mm
ø 510 mm
ø475 mm
ø 441 mm
71 %74 %
77 %
80 %
81.4 %
79.8 %
77.8 %
75.9 %
77 %
0 100 200 300 400 500 600 700 800 900 1000 Q [m³/h]0
40
80
120
160
200
240
280
320
P [kW]
2.5
3.0
3.5
4.0
4.5
5.0
5.5
NPSH[m]
NPSH
ø 540 mm
ø 510 mm
ø475 mm
ø 441 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0121
5441
98N
KG
300-
360
0 200 400 600 800 1000 1200 1400 1600 1800 Q [m³/h]6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
H [m]
NKG 300 - 360
ISO 2548 Class C50 Hz, n = 1450 min
ø 370 mm
ø 346 mm
ø 306 mm
ø 266 mm
ø 226 mm
ø 216 mm
ø 176 mm
85.5 %
87.0 %
87.0 %
85.0 %
81.0 %
75.0 %
40 %50 %
60 %
70 %
75 %
80 %
85 %
85 %
83 %
80 %
75 %
70 %
0 200 400 600 800 1000 1200 1400 1600 1800 Q [m³/h]0
20
40
60
80
100
120
140
160
P [kW]
3
4
5
NPSH[m]
NPSH
ø 370 mm
ø 346 mm
ø 306 mmø 266 mm
ø 226 mm
ø 176 mmø 216 mm
-1
97
98
Performance Curves Ove
NKGrsize Pump
TM
0131
8135
98P
erfo
rma
nce
Cur
ves
970
min
-1N
KG
100-
200
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Q [m³/h]2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
5.8
6.0
6.2
6.4
6.6
H [m]
NKG 100 - 200
ISO 2548 Class C
50 Hz, n = 970 min
ø 198 mm
ø 188 mm
ø 177 mm
ø 209 mm67 % 70 %
73 %
76 %
76 %
73 %
70 %
67 %
77.9 %
76.7 %
75.6 %
74.5 %
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Q [m³/h]0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
P2 [kW]
0
1
2
3
4
5
NPSH[m]
NPSH
ø 209 mm
ø 198 mm
ø 188 mm
ø 177 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0131
8235
98N
KG
125-
250
0 20 40 60 80 100 120 140 160 180 200 220 Q [m³/h]2.0
2.4
2.8
3.2
3.6
4.0
4.4
4.8
5.2
5.6
6.0
6.4
6.8
7.2
7.6
8.0
8.4
8.8
9.2
9.6
10.0
10.4
H [m]
NKG 125 - 250
ISO 2548 Class C50 Hz, n = 970 min
ø 260 mm
ø 243 mm
ø 222 mm
ø 200 mm
75 % 78 %81 %
84 %
84 %
81 %
78 %
75 %
85.2 %
83.2 %
80.8 %
78.3 %
0 20 40 60 80 100 120 140 160 180 200 220 Q [m³/h]0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
P2 [kW]
0
1
2
3
NPSH[m]
NPSH
ø 260 mm
ø 243 mm
ø 222 mm
ø 200 mm
-1
99
100
Performance Curves Ove
NKGrsize Pump
TM
0131
8335
98N
KG
150-
315
0 40 80 120 160 200 240 280 320 360 Q [m³/h]2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
H [m]
NKG 150 - 315
ISO 2548 Class C50 Hz, n = 970 min ø 330 mm
ø 310 mm
ø 285 mm
ø 260 mm
74 %77 %
80 %
83 %
83 %
80 %
77 %
74 %78.5 %
80.8 %
83.0 %
84.9 %
0 40 80 120 160 200 240 280 320 360 Q [m³/h]0
1
2
3
4
5
6
7
8
9
10
P2 [kW]
0
1
2
3
4
NPSH[m]
NPSH
ø 330 mm
ø 310 mm
ø 285 mm
ø 260 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0131
8435
98N
KG
200-
xxx
0 50 100 150 200 250 300 350 400 450 500 Q [m³/h]8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
H [m]
NKG 200 - 400
ISO 2548 Class C
50 Hz, n = 970 min ø 405 mm
ø 360 mm
ø 380 mm
ø 340 mm
75 %78 %
81 %83 %
84 %85 %
85 %
84 %
83 %
81 %
78 %
75 %
86.0 %
85.0 %
84.0 %
83.0 %
0 50 100 150 200 250 300 350 400 450 500 Q [m³/h]0
4
8
12
16
20
24
28
32
36P2 [kW]
0
1
2
3
4
NPSH[m]
NPSH
ø 405 mm
ø 380 mm
ø 360 mm
ø 340 mm
-1
101
102
Performance Curves Ove
NKGrsize Pump
TM
0131
8535
980 50 100 150 200 250 300 350 400 450 500 550 Q [m³/h]
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
H [m]
NKG 200 - 500
ISO 2548 Class C
50 Hz, n = 970 min
ø 425 mm
ø 465 mm
ø 505 mm
ø 540 mm
69 %72 %
75 %
78 %
78 %
75 %
72 %
69 %
73.1 %
75.3 %
77.5 %
79.5 %
0 50 100 150 200 250 300 350 400 450 500 550 Q [m³/h]0
10
20
30
40
50
60
70
P2 [kW]
0
1
2
3
4
5
NPSH[m]
NPSH
ø 540 mm
ø 505 mm
ø 465 mm
ø 425 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0131
8635
98N
KG
250-
xxx
0 50 100 150 200 250 300 350 400 450 500 550 600 Q [m³/h]3.2
3.6
4.0
4.4
4.8
5.2
5.6
6.0
6.4
6.8
7.2
7.6
8.0
8.4
8.8
9.2
9.6
10.0
10.4
10.8
11.2
11.6
12.0
H [m]
NKG 250 - 310
ISO 2548 Class C
50 Hz, n = 970 min
ø 265 mm
ø 281 mm
ø 296 mm
ø 312 mm75 %
78 %
81 %
84 %
84 %
81 %
78 %
75 %80.6 %
82.1 %
83.5 %
85.1 %
0 50 100 150 200 250 300 350 400 450 500 550 600 Q [m³/h]0
2
4
6
8
10
12
14
16
P2 [kW]
0
1
2
3
4
NPSH[m]
NPSH
ø 312 mm
ø 296 mm
ø 281 mm
ø 265 mm
-1
103
104
Performance Curves Ove
NKGrsize Pump
TM
0131
8735
980 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 Q [m³/h]
5.25.2
5.6
6.0
6.4
6.8
7.2
7.6
8.0
8.4
8.8
9.2
9.6
10.0
10.4
10.8
11.2
11.6
12.0
12.4
12.8
13.2
13.6
14.0
14.4
14.8
15.2 H [m]
NKG 250 - 330
ISO 2548 Class C
50 Hz, n = 970 min
ø 290 mm
ø 310 mm
ø 330 mm
87.0 %
80.7 %
83.0 %
77 %
80 %
83 %
86 %
77 %
80 %
83 %
86 %
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 Q [m³/h]0
4
8
12
16
20
24
28
P2 [kW]
0
1
2
3
4
NPSH[m]
NPSH
ø 330 mm
ø 310 mm
ø 290 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0131
8835
98
0 100 200 300 400 500 600 700 800 Q [m³/h]4
6
8
10
12
14
16
18
20
22
24
26
H [m]
NKG 250 - 400
ISO 2548 Class C50 Hz, n = 970 min
ø 320 mm
ø 350 mm
ø 375 mm
ø 400 mm
ø 415 mm40 %
50 %60 %
70 %75 %
80 %83 %
85 %
85 %
83 %
80 %
75 %
60 %
70 %
77.5 %
82.2 %
84.7 %
86.3 %
86.9 %
0 100 200 300 400 500 600 700 800 Q [m³/h]0
8
16
24
32
40
48
56
P2 [kW]
1
2
3
4
NPSH[m]
NPSH
ø 415 mm
ø 400 mm
ø 375 mm
ø 350 mm
ø 320 mm
-1
105
106
Performance Curves Ove
NKGrsize Pump
TM
0131
8935
980 100 200 300 400 500 600 700 Q [m³/h]
20
22
24
26
28
30
32
34
36
38
40
42
44
46
H [m]
NKG 250 - 500
ISO 2548 Class C50 Hz, n = 970 min
ø 441 mm
ø 475 mm
ø 510 mm
ø 540 mm
71 %74 %
77 %
80 %
80 %77 %
81.4 %
79.8 %
77.8 %
75.9 %
0 100 200 300 400 500 600 700 Q [m³/h]0
10
20
30
40
50
60
70
80
90
100P2 [kW]
1
2
3
NPSH[m]
NPSH
ø 540 mm
ø 510 mm
ø 475 mm
ø 441 mm
-1
Performance Curves Ove
NKGrsize Pump
TM
0131
9041
98N
KG
300-
360
0 200 400 600 800 1000 1200 Q [m³/h]0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
H [m]
NKG 300 - 360
ISO 2548 Class C50 Hz, n = 970 min
ø 370 mm
ø 346 mm
ø 306 mm
ø 266 mm
ø 226 mm
ø 216 mm
ø 176 mm
85.5 %
87.0 %
87.0 %
85.0 %
81.0 %
75.0 %
40 %50 %
60 %
70 %75 %
80 %
83 %
85 %
85 %
80 %
75 %
70 %
0 200 400 600 800 1000 1200 Q [m³/h]0
5
10
15
20
25
30
35
40
45
50P [kW]
1.0
1.5
2.0
2.5
3.0
NPSH[m]
NPSH
ø 370 mm
ø 346 mm
ø 306 mm
ø 266 mmø 226 mm
ø 216 mmø 176 mm
-1
107