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FDRDFHRD
RDND
Low Pressure Blowers
Medium Pressure Blowers
Conveying Blowers
High Pressure Blowers
PRODUCTREVIEW
Elektror airsystems gmbh
Hellmuth-Hirth-Str. 2
D-73760 Ostfi ldern
Phone +49 711 31973-0
Fax +49 711 31973-5000
www.elektror.com
Republic Sales & Manufacturing®
5131 Cash Road
USA-Dallas, Texas 75247
Phone +1 214 631 8070
Fax +1 214 631 3673
www.republicsales.com
08.0
9/01
TECHNICAL INFORMATION
2
Conversion table
Units of measurement
from unit of measurement
with conversionfactor
in unit of measurement
from unit of measurement
with conversionfactor
into unit ofmeasurement
Pressure bar 1000 mbar mbar 0,001 bar
Pressure mbar 100 Pa Pa 0,01 mbar
Pressure mmWS 0,098 mbar mbar 10,2 mm H2O
Pressure mWS 98,07 mbar mbar 0,0102 m H2O
European units of measurement in U.S. units of measurement
from SI-units ofmeasurement
with conversionfactor
into anglo-amer.unit of measur.
from anglo-amer.unit of measur.
with conversionfactor
into SI-units ofmeasurement
Pressure bar 0,014 psi = Ib/in² psi = Ib/in² 68,95 mbar
Pressure mbar 14,5 psi = Ib/in² psi = Ib/in² 0,068 bar
Pressure mmWS 0,402 inches water inches water 2,49 mbar
Volumetric fl ow rate m³/min 264,2 gal/min gal/min 0,003 m³/min
Volumetric fl ow rate m³/min 35,31 cfm cfm 0,028 m³/min
Electr. power output kW 1,341 hp hp 0,746 kW
Length mmWS 0,039 inches water inches water 25,4 mm
Length m 39,37 inches water inches water 0,025 m
Length mmWS 0,003 ft ft 305 mm
Length m 3,28 ft ft 0,305 m
Weight kg 2,05 Ib Ib 0,454 kg
Example for conversion
Pressure 180 mbar 0,014 2,61 PSI 2,61 PSI 68,95 180 mbar
Volumetric fl ow rate 6 m³/min 35,31 211,8 ft³/min 211,8 ft³/min 0,283 6 m³/min
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ND rangeCast aluminium blower housings, impellers made ofgalvanised steel sheet, maintenance-free squirrel cagerotor motors to IP 54. The blowers can be supplied inclockwise or anti-clockwise rotation. On demand speedvariable execution, 2-step speed variable, stepless withsingle phase, or speed variable execution by frequencyconverter. A variety of accessories include fi ne fi lters,connectors and throttle valves, base plate, etc.Special designs for specifi c applications, e. g. for highermedia fl ow and ambient temperatures, with improvedcorrosion protection, with sealed housing parts, for spe- cial voltage and frequency as well as to enclosure IP 55and thermal class F. For more details see ND catalogue.
Applications• Conveying of high air volumes at low and medium system resistance• Extracting fumes and vapours• Cooling apparatus and machinery parts• Ventilation of rooms• Chimney draft boosting• Forced air supply for gas, oil and coal fi red systems• Drying parts of various size and composition• Supplementary cooling of electric machines
ND
LOW PRESSURE BLOWERS
3
12,0
10,0
8,0
6,0
4,0
2,0
0 500 1000 1500 2000 2500 3000 3500Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
D 060 M
D 066 M
D 064
D 072
D 082
D 092
D 07
D 08D 09
4,0
3,5
3,0
2,5
2,0
1,5
1,0
0,5
0 100 200 300 400 500 600 700Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
D 03 M
D 04 M
D 05 M
D 045 M
D 052 M
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LOW PRESSURE BLOWERS
ND
Twin BlowersSame basic technical design and accessories as thestandard blowers. All units are supplied without thefoot base..For more details see ND catalogue.
Compact BlowersCast aluminium blower housings, impellers made ofgalvanised steel sheet. Compact dimensions by built-inmotors, cooled by the air fl ow through the blower. Theunits are supplied without a foot base and for clockwiserotation only (seen from the inlet side). Fine fi lters areavailable as an accessory.For more details see ND catalogue.
4
12,0
11,0
10,0
9,0
8,0
7,0
6,0
5,0
4,0
3,0
2,0
1,0
0 500 1000 1500 2000 2500 3000 3500Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
2D 05
2D 045
2D 04
2D 052
2D 060
2D 064
2D 066
2D 07
2D 08
7,0
6,0
5,0
4,0
3,0
2,0
1,0
0 200 400 600 800 1000 1200 1400Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
DK 1/2
DK 2/2
DK 3/2
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MEDIUM PRESSURE BLOWERS
RD rangeCast aluminium blower housings, impellers made ofgalvanised steel sheet, maintenance-free squirrel cagerotor motor to IP 54. The blowers can be supplied inclockwise or anti-clockwise rotation, with our withoutfoot base. On demand speed variable execution, 2-stepspeed variable, stepless with single phase, or speedvariable execution by frequency converter. A variety ofaccessories include fi ne fi lters, connectors and throttlevalves, etc. Special blowers for specifi c applications,e.g. for higher media fl ow and ambient temperatures,with improved corrosion protection, with sealed housingparts, for special voltage and frequency as well as toenclosure IP 55 and thermal class F.For more details see RD catalogue.
Applications• Conveying of medium air volumes at higher system resistance• Ventilation of installations with higher system resistance • Air supply for drying installations• Air supply for air cushion tables• Air supply for fi lters and dust extraction
RD
5
50,0
45,0
40,0
35,0
30,0
25,0
20,0
15,0
10,0
5,0
0 1000 2000 3000 4000 5000Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
RD 92
RD 94
RD 64
RD 8
RD 65
RD 82
RD 84
RD 72
RD 74RD 7
16,0
14,0
12,0
10,0
8,0
6,0
4,0
2,0
0 200 400 600 800 1000 1200 Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
RD 62
RD 10
RD 14
RD 16
RD 6
RD 5
RD 4
RD 0
RD 2
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HRD
HIGH PRESSURE BLOWERS
HRD rangeCast aluminium blower housings, closed impellers madeof sheet aluminium, maintenance-free squirrel cage rotormotors to IP 54. The blowers can be supplied in clockwiseor anti-clockwise rotation. High performance by V-beltpulley drive at compact design. Special blowers for speci-fi c applications, e. g. for higher media fl ow and ambienttemperatures, with improved corrosion protection, withsealed housing parts, for special voltage and frequency aswell as to enclosure IP 55 and thermal class F. For more details see HRD catalogue.
Applications• Conveying of medium air volumes at higher system resistance• Vacuum operation• Forced air supply for gas, oil and coal fi red systems• Air supply for drying installations• Air supply for air cushion tables
6
75,0
70,0
65,0
60,0
55,0
50,0
45,0
40,0
35,0
30,0
25,0
20,0
15,0
10,0
5,0
0 400 800 1200 1600 2000 2400 2800 3200 3600Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
HRD 65/2
HRD 65/4
HRD 65/5
HRD 65/7
HRD 7/12
HRD 7/17
HRD 7/23
50,0
45,0
40,0
35,0
30,0
25,0
20,0
15,0
10,0
5,0
0 200 400 600 800 1000 1200 1400 1600 1800Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
HRD 60/7
HRD 60/4
HRD 2/5 T
HRD 2/4 T
HRD 2/3 T
HRD 60/3
22,0
20,0
18,0
16,0
14,0
12,0
10,0
8,0
6,0
4,0
2,0
0 100 200 300 400 500 600 700 800 900 1000Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
HRD 14/5 T
HRD 14/3 T
HRD 14/2 T
HRD 1/5 T
HRD 1/4 T
HRD 1/3 T
HRD 1/2 T
HRD 14/4 T
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7
HRD
HIGH PRESSURE BLOWERS
Model range without motorThis type of high-pressure fan can be driven from anexternal source via V-belts. The fan housings made ofsturdy cast aluminium and the enclosed impellers aremanufactured from aluminium sheet. Fans are availablewith a clockwise or anti-clockwise rotation. A variety ofaccessories is also available. Special fans for special ope-rating conditions. e.g. increased temperatures of theconveyed medium and ambient temperatures, extendedcorrosion protection, fan sealing.For more details see HRD catalogue.
Model range for frequency converterFU/FUK series devices allow the infi nitely variable speedregulation of the induction motors used. The speed canbe set from 0 to the max. possible speed typical for thedevice. No derating is required in the entire speed range.In the case of devices in the FUK series, the frequencyconverter is connected to the motor. The enclosure isIP54. The max. ambient temperature can range up to60 degrees Celsius. Devices in the FU series require aseparate frequency converter, which is normally accom-modated in a switch cabinet. The types 1 T FUK-105/0,9to HRD 65 FUK-100/7,5 are deliverable with build upfrequency converter.For more details see HRD catalogue.
75,0
70,0
65,0
60,0
55,0
50,0
45,0
40,0
35,0
30,0
25,0
20,0
15,0
10,0
5,0
0 400 800 1200 1600 2000 2400 2800 3200 3600Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
HRD 1 T
HRD 2 T
HRD 60
HRD 65
HRD 7
HRD 14 T
70,0
65,0
60,0
55,0
50,0
45,0
40,0
35,0
30,0
25,0
20,0
15,0
10,0
5,0
0 400 800 1200 1600 2000 2400 2800 3200 3600Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
HRD 1 T FU (FUK) 1,1 kW
HRD 14 T FU (FUK) 2,2 kW
HRD 16 T FU (FUK) 3,0 kW
HRD 60 FU (FUK) 7,5 kW
HRD 65 FU (FUK) 7,5 kW
HRD 7 FU (FUK) 20 kW
0,55 kW
0,75 kW
4,0 kW
2,2 kW
1,5 kW
1,1 kW
5,5 kW
11 kW
15 kW
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ELECTROR ORIGINAL ACCESSORIES
High performance noise protection systemsDue to design, all the fans from Elektror have a low noise level in proportion to their output. Extra noise protectionmeasures may be required in individual cases, however, depending on the purpose or also on statutory regulations.For these cases, Elektror offers a number of possibilities for active noise protection.
Noise insulating coversThese covers are manufactured from sheet steel and covered with a rock wool insulation material, thereby providingeffective noise protection. The covers are mounted on a U-shaped base plate, which is suitable for screwing on to a bed (drill holes are present ex works). The side panels can be easily detached and allow easy access to the fan. All the noise insulating covers are designed for fi tting to fans with free intake from the atmosphere.
Intake
Discharge
Support for trans-port Ø 25
Opening for connection cable
Disc sound absorbersAre manufactured exclusively from sheet steel in twopiece execution. Elektror disc sound absorbers are fi ttedex works with an integrated intake screen. Foam plasticis used as an insulation material in the large discs.
Tube sound absorbersExtremely high-performance sound deadening by meansof tubes, which are wound from aluminium foil and havea high tightness as a result of special folding. The insidetube is perforated and insulated with synthetic resinbon-ded mineral fi bre.
In addition, the tubes are tightly sealed with aluminiumcaps. This type of sound absorber can only be mountedwith an inlet connection without a fl ange.
8
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FD/RD F
CONVEYING BLOWERS
9
FD RangeBlower housings made of abrasion resistant cast iron, hin-ged housing cover lid for inspection and cleaning, welded sheet steel impellers with radial blades. Maintenance-free squirrel cage rotor motors to IP54. The units can only be supplied in the housing position pictured. Accessories: Various connectors for both inlet and outlet side.For more details see FD catalogue.
Applications• Conveying of plastic granules, plastic waste and light weight bulk materials of all kind provided there is no operational risk
RD F rangeThe RD F range can be used for conveying of light andnon-abrasive bulk. The blower parts are made of alumini-um cast, the impellers are made of welded sheet steel.The solid construction of the practically maintenancefree medium pressure blowers is the basis for a longlasting service life and low operation cost. Inspectionand cleaning may only be carried out at these blowersby unscrewing the housing cover plate. All drive motors are made to IP 54 enclosure, class F thermal insulation and comply with EN 60034-1 (VDE 530 Part 1). The mo-tor power is oversized in order to have suffi cient reserve for the conveying.For more details see RD F catalogue.
Applications• Conveying of lightweight bulk material of all kind provided there is no operational risk
18
16
14
12
10
8
6
4
2
0 500 1000 1500 2000 2500Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
FD 74
FD 64
FD 72
FD 62
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0 500 1000 1500 2000 2500Volumetric flow rate (cfm)
Pres
sure
Δps
t (In
ches
of
wat
er)
RD 82F
RD 74 F
RD 64 F
RD 62 F
RD 4 F
RD 14 F
RD 6 F
RD 5 F
08.0
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10
FOR YOUR NOTES
08.0
9/01
11
FOR YOUR NOTES
Conveying Blowers
Low Pressure Blowers
Medium PressureBlowers
High Pressure Blowers
PRODUCT REVIEW
Elektror airsystems gmbh
Hellmuth-Hirth-Str. 2
D-73760 Ostfi ldern
Phone +49 711 31973-0
Fax +49 711 31973-5000
www.elektror.com
Republic Sales & Manufacturing®
5131 Cash Road
USA-Dallas, Texas 75247
Phone +1 214 631 8070
Fax +1 214 631 3673
www.republicsales.com
08.0
9/01
