Patented self cleaning semi-open channel impeller, ideal f or pumping inwaste water applications. Possible to be upgraded with Guide-pin®f or ev en better clogging resistance. Modular based design with highadaptat ion grade.

Head

272 226mm272 226mm

62.9%

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[f t]

0 100 200 300 400 500 600 700 [US g.p.m.]

Pump

Frequency

Motor

Rated v oltage

-

Rated power

Rated speed

Number of poles

Rated current

400 V50 Hz

29.5 hp

2

2930 rpm

39 A

NP 3171 SH 3~ 272

Motor #

3~

Suction Flange Diameter

c ale S

Dr awn

Reg no

Dat e by Chec k ed

by

DRAWING

AUTOCAD

Denom inat ion

Dimensional drwg

**2 3/4/ 3/4

8"

4"

2"/3" GUIDE BARS

**3 3/8/5 5/16

15 3

/4

**12

5/8

/10

1/4

2"

2 3/4

12"

3 3/

8 8"

8"

6 5/

8

BOLT â̂… 3/4(4x)

9 7/8

45°

6 5/8

**30 1/8/32 1/8

8"

39 1

/2

4 9/16

9 3/4

**22"/24"

18 3/4

NP,FP 3171 SH

Z

Z-Z

Z

MIN

LE

VE

L

(TO FURTHEST POINT)

2" GUIDEBARS FOR NEW INSTALLATION

3" GUIDEBARS FOR RETROFIT

* DIMENSIONS TO END OF GUIDEBARS

**DIMENSIONS FOR 2"/3" GUIDEBARS

REF. LINE

CL

OF

DIS

CH Weight

6926800 4

5399

080304KST W

Ø4 "

(lbs)

Pump Disch 95 765

REF.LINE

REF.LINE

41"

Ø4"

Impeller diameter 226 mmNumber of blades 2

N3171.181 25-18-2AA-W 22KWStator v ariant 2

Phases

Starting current 280 A

Technical specification

Note: Picture might not correspond to the current configuration.

Power f actor

Ef f ic iency

1/1 Load3/4 Load1/2 Load

1/1 Load3/4 Load1/2 Load

0.910.880.81

90.0 %91.5 %91.5 %

100 mmCurve according to: ISO 9906 grade 2 annex 1 or 2

P - Semi permanent, WetInstallation:

Configuration

Impeller material Grey cast iron

General

Discharge Flange Diameter 3 15/16 inch

Water, pure

Last updateCreated on

2014-05-23

Created byProject IDProject

Head

EfficiencyTotal efficiency

Shaft power P2Power input P1

NPSH-values

272 226mm272 226mm

62.9%

172 ft

59.8 %

54.1 %

28.6 hp

31.5 hp

12.4 ft 391 US g.p.m.

272 226mm272 226mm

172 ft

59.8 %

54.1 %

28.6 hp

31.5 hp

12.4 ft 391 US g.p.m.

272 226mm272 226mm

172 ft

59.8 %

54.1 %

28.6 hp

31.5 hp

12.4 ft 391 US g.p.m.

272 226mm (P2)272 226mm (P2)

172 ft

59.8 %

54.1 %

28.6 hp

31.5 hp

12.4 ft 391 US g.p.m.

272 226mm (P1)272 226mm (P1)

172 ft

59.8 %

54.1 %

28.6 hp

31.5 hp

12.4 ft 391 US g.p.m.

272 226mm272 226mm

172 ft

59.8 %

54.1 %

28.6 hp

31.5 hp

12.4 ft 391 US g.p.m.

0102030405060708090

100110120130140150160170180190200210220230240250260

[ft]

01020304050

[%]

10

15

20

25

30

[hp]

5101520253035[ft]

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 [US g.p.m.]

Motor #

50 Hz

Phases 3~

400 VNumber of poles 2

Rated power 29.5 hp

Starting currentRated current 39 A

Rated speed 2930 rpm

N3171.181 25-18-2AA-W 22KWStator variant

Number of blades 2

Power factor

NP 3171 SH 3~ 272

Suction Flange Diameter

Performance curve

Pump

Impeller diameter 87/8"

Motor

Rated voltage

280 A

Efficiency

1/1 Load3/4 Load1/2 Load

1/1 Load3/4 Load1/2 Load

Frequency2 0.91

90.0 %

0.880.81

91.5 %91.5 %

100 mm

Curve according to: ISO 9906 grade 2 annex 1 or 2

Discharge Flange Diameter 3 15/16 inch

Water, pure

Last updateCreated on

2014-05-23

Created byProject IDProject

Head

272 226mm

62.9%

172 ft

391 US g.p.m.05

101520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

[ft]

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 [US g.p.m.]

1

NP 3171 SH 3~ 272Duty Analysis

Curve according to: ISO 9906 grade 2 annex 1 or 2

Indiv idual pump Total

1 391 US g.p.m. 172 ft 28.6 hp 391 US g.p.m. 172 ft 28.6 hp 59.8 % 1000 kWh/US MG 12.4 ft

Pumps running Specific /System Flow Head Shaft power Flow Head Shaft power Hyd eff. energy NPSHre

Water, pure

Last updateCreated on

2014-05-23

Created byProject IDProject

Head

EfficiencyTotal efficiency

Shaft power P2Power input P1

NPSH-values

272 226mm272 226mm

62.9%

45 Hz45 Hz

62.9%

40 Hz40 Hz

62.9%

35 Hz35 Hz

62.9%

30 Hz30 Hz

62.9%

272 226mm272 226mm45 Hz45 Hz40 Hz40 Hz35 Hz35 Hz30 Hz30 Hz272 226mm272 226mm45 Hz45 Hz40 Hz40 Hz35 Hz35 Hz30 Hz30 Hz

272 226mm (P2)272 226mm (P2)

45 Hz45 Hz

40 Hz40 Hz

35 Hz35 Hz30 Hz30 Hz

272 226mm (P1)272 226mm (P1)45 Hz45 Hz40 Hz40 Hz35 Hz35 Hz30 Hz30 Hz

272 226mm272 226mm

45 Hz45 Hz

40 Hz40 Hz

35 Hz35 Hz

30 Hz30 Hz

0

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260

[ft]

0

10

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30

40

50

[%]

-5

0

5

10

15

20

25

30

[hp]

5

10

15

20

25

30

35

[ft]

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 [US g.p.m.]

NP 3171 SH 3~ 272VFD Curve

Curve according to: ISO 9906 grade 2 annex 1 or 2Water, pure

Last updateCreated on

2014-05-23

Created byProject IDProject

Head

272 226mm

62.9%

172 ft

391 US g.p.m.

45 Hz

62.9%

40 Hz

62.9%

35 Hz

62.9%

30 Hz

62.9%

05

101520253035404550556065707580859095

100105110115120125130135140145150155160165170175180185190195200205210215220225230235240245250255260265

[ft]

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 [US g.p.m.]

1

NP 3171 SH 3~ 272VFD Analysis

Curve according to: ISO 9906 grade 2 annex 1 or 2

Indiv idual pump Total

1 50 Hz 391 US g.p.m. 172 ft 28.6 hp 391 US g.p.m. 172 ft 28.6 hp 59.8 % 1000 kWh/US MG12.4 ft1 45 Hz 353 US g.p.m. 140 ft 21 hp 353 US g.p.m. 140 ft 21 hp 59.8 % 1080 kWh/US MG10.5 ft1 40 Hz 314 US g.p.m. 111 ft 14.7 hp 314 US g.p.m. 111 ft 14.7 hp 59.8 % 1170 kWh/US MG8.73 ft1 35 Hz 275 US g.p.m. 84.8 ft 9.86 hp 275 US g.p.m. 84.8 ft 9.86 hp 59.8 % 1300 kWh/US MG7.05 ft1 30 Hz 235 US g.p.m. 62.3 ft 6.21 hp 235 US g.p.m. 62.3 ft 6.21 hp 59.8 % 1470 kWh/US MG5.51 ft

Pumps running Specific /System Frequency Flow Head Shaft power Flow Head Shaft power Hyd eff. energy NPSHre

Water, pure

Last updateCreated on

2014-05-23

Created byProject IDProject

NP 3171 SH 3~ 272Dimensional drawing

cale S

Drawn

Reg no

Date by Checked

by

DRAWING AUTOCAD

Denomination

Dimensional drwg

**2 3/4/ 3/4

8"

4"

2"/3" GUIDE BARS

**3 3/8/5 5/16

15 3

/4

**12

5/8

/10

1/4

2"

2 3/4

12"

3 3/

8 8"

8"

6 5/

8

BOLT ∅ 3/4(4x)

9 7/8

45°

6 5/8

**30 1/8/32 1/8

8"

39 1

/2

4 9/16

9 3/4

**22"/24"

18 3/4

NP,FP 3171 SH

Z

Z-Z

Z

MIN

LE

VE

L

(TO FURTHEST POINT)

2" GUIDEBARS FOR NEW INSTALLATION

3" GUIDEBARS FOR RETROFIT

* DIMENSIONS TO END OF GUIDEBARS

**DIMENSIONS FOR 2"/3" GUIDEBARS

REF. LINE

CL

OF

DIS

CH Weight

6926800 4

5399

080304KST W

Ø4"

(lbs)

Pump Disch 95 765

REF.LINE

REF.LINE

41"

Ø4"

Last updateCreated on

2014-05-23

Created byProject IDProject