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GRUNDFOS DATA BOOKLET

Fire NKFGrundfos fire systems

Fire pump sets with electrically and diesel-powered pumpsaccording to DBI 251/CEA4001

2

Contents

Performance rangeElectrically powered pumps 3Diesel-powered pumps 4

Product descriptionIntroduction 5DBI 251/CEA 4001 standard 5Fire NKF pumps 5Controller 5Electric motor 5Diesel engine 5Other system components 6Compressor 6Scope of delivery 6Commissioning 6Identification 7Fire pump set 7Bare shaft pump 7Pump characteristics 8Duty range 8Power rating 8

Curve chartsHow to read the curve charts 9

Performance curvesNKF 32-200 (2-pole/diesel engine 2950 rpm) 10NKF 40-250 (2-pole/diesel engine 2950 rpm) 11NKF 50-200 (2-pole/diesel engine 2950 rpm) 12NKF 50-250 (2-pole/diesel engine 2950 rpm) 13NKF 65-200 (2-pole/diesel engine 2950 rpm) 14NKF 80-200 (2-pole/diesel engine 2950 rpm) 15NKF 80-250 (2-pole/diesel engine 2950 rpm) 16NKF 100-200 (2-pole/diesel engine 2950 rpm) 17NKF 125-250 (2-pole/diesel engine 2950 rpm) 18NKF 150-400 (4-pole/diesel engine 1480 rpm) 19NKF 150-400 (diesel engine 1600 rpm) 20NKF 150-400 (diesel engine 1700 rpm) 21NKF 150-400 (diesel engine 1800 rpm) 22NKF 150-500 (4-pole/diesel engine 1480 rpm) 23NKF 150-500 (diesel engine 1600 rpm) 24NKF 150-500 (diesel engine 1700 rpm) 25NKF 150-500 (diesel engine 1800 rpm) 26

Fire NKFPerformance range

Electrically powered pumps2- and 4-pole

TM04

912

2 35

10

10

01

50

20

03

00

40

05

00

60

08

00

10

00

15

00

20

00

30

00

40

00

50

00

60

00

80

00

10

00

01

50

00

Q [

l/m

in]

10

12

20

30

40

50

60

70

80

90

10

0

12

0

[m]

H

NKF

2 p

ole

/ 4

po

le

50

Hz

150-500

150-400

125-250

100-200

80-250

80-200

65- 200

65-16050-250

50-200

32-200

40-250

3

4

Performance range Fire NKF

Diesel-powered pumps

TM04

912

3 35

10

100

150

200

300

400

500

600

800

1000

1500

2000

3000

4000

5000

6000

8000

1000

015

000

Q [l

/min

]

10122030405060708090100

120

[m]

H

NKF

DIE

SEL

150-

500

125-

250

150-

400

150-

400

150-

400

150-

500

150-

400

100-

200

80-2

50

80-2

00

65-2

00

50-2

50

50-2

0032

-200

40-2

50

1600

min-1

1700

min-1

1800

min-1

1800

min-1

2950

min-1

2950

min-1

2950

min-1

2950

min-1

2950

min-1

2950

min-1

2950

min-1

2950

min-1

1480

min-1

1480

min-1

2950

min-1

Fire NKFProduct description

IntroductionGrundfos Fire NKF fire pump sets are typically used in firefighting applications for supplying water to fire hose reels, fire hydrants or sprinkler systems.

This data booklet covers fire pump sets with electrically and diesel-powered NKF end-suction pumps.

DesignationsFire NKF is an NKF end-suction pump with coupling and motor or engine mounted on a common base frame.

The fire pump set can be incorporated into a firefighting system.

DBI 251/CEA 4001 standardThe products in this data booklet have been built to comply with the DBI guidelines 251/4001 for sprinkler systems (design, installation and maintenance).

Fire NKF pumpsGrundfos NKF pumps according to DBI 251/4001 are designed for the distribution of water in stationary sprinkler systems using water spray. They are operated in case of fire and during tests.

MaterialsRequirements to pump materials according to DBI 251/4001:

• Impeller and wear rings must be made of bronze.• Wet parts such as shaft, washers and nuts must be

made of stainless steel.• Cast parts must be made of cast iron.

ControllerGrundfos offers a controller in a steel plate cabinet, suitable for wall mounting or free-standing installation.

The controller complies with the standard DBI 251/CEA4001.

The controller for pumps with electric motor can be mounted on the wall or on the base frame.

The controller for diesel-powered pumps is always mounted on the base frame.

Electric motorThe electric motor is an MG or MMG motor complying with local standards for electric motors. As from 16 July 2011, the motors used in Europe will be IE2 = EFF 1 motors.

Fig. 1 Fire NKF: An NKF end-suction pump with electric motor and controller mounted on a base frame

Insulation class: F.Enclosure class: IP55.

Diesel engineThe diesel engine can operate continuously at full load at site elevation with rated output in accordance with ISO 3046-1:1986. The pump is at full operational speed within 15 seconds; the engine is capable of starting at a room temperature of 5 °C.

Fig. 2 Fire NKF: An NKF end-suction pump with diesel engine and controller mounted on a base frame

Each complete engine and pump unit is tested on the manufacturers test bed for at least 1.5 hours at rated flow rate, and the result is recorded on the test certificate.

GrA

1719

TM04

019

1

5

6

Product description Fire NKF

Other system componentsJockey pumpsGrundfos CR pumps are used as jockey pumps, maintaining the water level in the pressure tank. Under normal conditions, the jockey pump is activated by the low-level switch in the pressure tank as a result of small leakages in the pipe systems filled with water. The jockey pump operates until it is deactivated by the high-level switch. The jockey pump can also be activated in case one or more sprinklers are open, in order to maintain the water level in the pressure tank.

CompressorThe compressor can be set to manual or automatic operation by means of the selector switch.

During automatic operation, the compressor is controlled by an external pressure switch, for example connected to the pressure tank.

The compressor can be manually switched on and off.

Scope of deliveryA complete Fire NKF unit assembled and supplied from factory normally comprises these elements:

• a pump and motor mounted on a common base frame

• a standard coupling protected by a coupling guard• a controller according to DBI 251/CEA4001.

CommissioningThe installer should commission the complete firefighting system before handing it over to the plant manager on site. Many potential issues of the complete system must be tested before commissioning to ensure a satisfactory system performance and identify any damage during installation.

Key components should be checked according to the descriptions in the respective installation and operating instructions. In addition, DBI 251/CEA4001 stipulates that tests such as these should be carried out:

• pressure test of sprinkler circuits• values of all measuring devices (air pressure, water

level, etc.) to the system• water flow to fire pumps• test of alarm system and interface to municipal fire

department.The installer should supply the plant manager with the following documents:

• Installation certificate, stating that the firefighting system has been installed according to DBI 251/CEA4001 requirements.

• A complete set of installation and operating instructions and system drawings with specification of all components for the plant manager and the owner of the system.


Identification

Fire pump set

Fig. 3 Example of nameplate

Type key for fire pump set

Bare shaft pump

Fig. 4 Example of nameplate

Type key for pumpTM04

644

1 03

10

Example Fire NK F 80 -250 /270 E F X D B A BFire: Grundfos fire systemsType rangeNKPump approved for firefightingNominal diameter of discharge port80 mmPump housing size250 mmActual impeller diameter270 mmDriverD: Diesel engineE: Electric motor, 50 HzApproval of pumpG: ENApproval of fire pump setX: No approvalPipe connectionsD: DINControl panel B: For mounting on base frameW: For wall mountingX: No panelShaft sealA: BAQECouplingA: Standard (NKF)B: Spacer (NKF)

Type:part No.serial No.

Main Supply:

impeller diameter:

Made in Germany P1 0640

Fire NKF 80-250/270-E-F-X-D-B-A-B96157421123456789

6554

2145

6245

65

6554

2145

6245

65

3X400V 50Hz

270

min2940n:55 kWP2:kg346G:55IP

Q: H: 112 m150 m /h3

-1

TM04

644

2 03

10

Example NKF 65 -200 /219 AH -F -B -BAQE -GType rangeNKFNominal diameter of discharge port65 mmNominal impeller diameter200 mmActual impeller diameter219 mmCode for pump versionAH: NKF bare shaft pumpA2: NKF basic version with spacer couplingCode for pipework connectionF: DIN flangeCode for materialsB: EN-GJL-250 with bronze impellerCode for mechanical shaft seal and rubber pump partsApproval of pumpG: EN

-G

7

8


Pump characteristicsDBI 251/4001 focuses strongly on the instabilities. This is due to sprinkler systems consisting of long and different pipe circuits. Two instable pumps may cause vibrations or breakdown.

If the characteristic is instable, the instability must not exceed 5 %. See examples of instable (fig. 5) and stable (fig. 6) characteristics below.

Fig. 5 Instable pump characteristics

Fig. 6 Stable pump characteristics

Duty rangeThe maximum permissible flow rate is defined on basis of the pump NPSH curves. The flow rate must not exceed the flow rate found at 5 m NPSH.

Fig. 7 Maximum permissible flow

Power ratingTo ensure that the motor (electric motor or diesel engine) is capable of operating the pump at any time, thus ensuring water supply, DBI 251/4001 stipulates an excess capacity of motor power.

According to DBI 251/4001, the motor power is found at 16 m NPSH. The example below show a required motor size of 22 kW.

Fig. 8 Required and stipulated power

TM03

279

5 49

05TM

03 1

437

4105

0 20 40 60 80 100 120 140 160 180 Q [m³/h]

14

16

18

20

22

24

26

28

30

32

34

36

38

40

[m]H

NK 80-315

ISO 9906 Annex A

50 Hz, n = 1450 min-1

ø275

ø290

ø305

ø320

ø334

73.3 %

72.5 %

72.1 %

74.8 %

74.2 %74 %

72 %

70 %

68 %

68 %70 %

72 %

74 %

0 20 40 60 80 100 120 140 160 180 200 Q [m³/h]

4

8

12

16

20

24

28

32

36

40

44

48

52

56

60

64

68[m]H

NKF 65-200

ISO 9906 Annex A

2-pole, 50 Hz

ø170

ø185

ø195

ø215

ø219 37 kW

30 kW

22 kW

18,5 kW

15 kWTM

04 9

207

3710

TM04

649

2 05

10

0 2000 4000 6000 8000 10000 Q [l/min]

5

10

15

20

25

30

35

40

45

50

55

60

65

[m]H

0 100 200 300 400 500 600 Q [m³/h]

ø318

ø410

45 kW

110 kW

0 2000 4000 6000 8000 10000 Q [l/min]

0

20

40

60

80

100

[kW]P2

0

5

10

15

20

NPSH[m]

ø318 (Min. NPSH)

ø410 (Max. NPSH)

ø318

ø410

0 10 20 30 40 50 60 70 80 90 100 110 120 130 Q [m³/h]

0

4

8

12

16

20

24

[kW]P2

0

4

8

12

16

20

NPSH[m]

ø170

ø194

ø207

ø219

ø170 (Min. NPSH) ø219 (Max. NPSH)

P2 required

9

Fire NKFCurve charts

How to read the curve charts

TM04

803

3 27

10

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 Q [l/min]

15

20

25

30

35

40

45

50

55

60

65

70

[m]H

0 50 100 150 200 250 300 Q [m³/h]

NKF 80-200

ISO 9906 Annex A

2-pole, 50 Hz

2950/3000 rpm

DBI 251/4001

ø188

ø202

ø213

ø222

55 kW

45 kW

37 kW

30 kW

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 Q [l/min]

0

10

20

30

40

50

[kW]P2

0

5

10

15

20

NPSH[m]


ø188

ø202

ø213

ø222

Pump type and frequency of motor

Impeller size

Total pump head:H = Htotal

The power curve indicates pump input power P2. P2 is found at 16 m NPSH.

The NPSH curves are according to the minimum and maximum impeller diameter.

QH curve for the individual pump

This line indicates the limit of the individual pump performance found at 5 m NPSH.

10

Performance curves

NKF 32-200 (2-pole/diesel engine 2950 rpm)

Circulation flow = 2 % of rated flow rate.

The performance curves of electrically and diesel-powered pumps are approximately similar and based on the values in table below.

TM04

802

8 27

10

0 100 200 300 400 500 600 700 800 Q [l/min]

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

[m]H

0 10 20 30 40 50 Q [m³/h]

NKF 32-200

ISO 9906 Annex A

2-pole, 50 Hz

DBI 251/4001

2950/3000 rpm

ø171

ø185

ø200

ø219

11 kW

4 kW

5.5 kW

7.5 kW

0 100 200 300 400 500 600 700 800 Q [l/min]

0

2

4

6

8

10

[kW]P2

0

10

20

NPSH[m]

ø219 (NPSH)ø185 (NPSH)

ø171

ø185

ø200

ø219

Impeller sizes[mm]

P2 [kW]Electric motor Diesel engine

> ∅ 206 ≤ ∅ 219 11 (2930 rpm)

19> ∅ 190 ≤ ∅ 206 7.5 (2900 rpm)

> ∅ 176 ≤ ∅ 190 5.5 (2900 rpm)

= ∅ 176 4 (2890 rpm)

NKF 32-2002-pole

diesel engine

NKF 40-2502-pole

diesel enginePerformance curves




TM04

802

9 27

10

0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 Q [l/min]

0

10

20

30

40

50

60

70

80

90

100

110

[m]H

0 10 20 30 40 50 60 70 80 Q [m³/h]

NKF 40-250

ISO 9906 Annex A

2-pole, 50 Hz

DBI 251/4001

2950/3000 rpm

ø210

ø230

ø238

ø250

ø260

30 kW

15 kW

18.5 kW

22 kW

11 kW

0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 Q [l/min]

0

4

8

12

16

20

24

[kW]P2

0

10

20

NPSH[m]

ø210 (NPSH)

ø210

ø230

ø238

ø250

ø260

ø260 (NPSH)

Impeller sizes[mm]


> ∅ 255 ≤ ∅ 260 30 (2960 rpm) 48

> ∅ 245 ≤ ∅ 255 22 (2950 rpm) 26

> ∅ 230 ≤ ∅ 245 18.5 (2940 rpm)

19> ∅ 211 ≤ ∅ 230 15 (2940 rpm)

= ∅ 211 11 (2930 rpm)

11

12

NKF 50-2002-pole





TM04

803

1 27

10

0 200 400 600 800 1000 1200 1400 1600 1800 2000 Q [l/min]

4

8

12

16

20

24

28

32

36

40

44

48

52

56

60

64

68

[m]H

0 20 40 60 80 100 120 Q [m³/h]

NKF 50-200

ISO 9906 Annex A

2-pole, 50 Hz

DBI 251/4001

2900/3000 rpm

ø170

ø194

ø207

ø219

22 kW

18,5 kW

15 kW

11 kW

0 200 400 600 800 1000 1200 1400 1600 1800 2000 Q [l/min]

0

4

8

12

16

20

24

[kW]P2

0

4

8

12

16

20

NPSH[m]

ø170

ø194

ø207

ø219

ø170 (Min. NPSH)

ø219 (Max. NPSH)

Impeller sizes[mm]


> ∅ 207 ≤ ∅ 219 22 (2950 rpm) 26

> ∅ 194 ≤ ∅ 207 18.5 (2940 rpm)

19> ∅ 170 ≤ ∅ 194 15 (2940 rpm)

= ∅ 170 11 (2930 rpm)

NKF 50-2502-pole

diesel enginePerformance curvesPerformance curves




TM04

803

9 27

10

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 Q [l/min]

0

10

20

30

40

50

60

70

80

90

100

110

[m]H

0 20 40 60 80 100 120 Q [m³/h]

NKF 50-250

ISO 9906 Annex A

2-pole, 50 Hz

DBI 251/4001

2950/3000 rpm

ø205

ø220

ø249

ø263

30 kW

37 kW

18.5 kW

22 kW

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 Q [l/min]

0

5

10

15

20

25

30

35

[kW]P2

0

10

20

NPSH

[m]

ø205 (NPSH) ø263 (NPSH)

ø205

ø220

ø249

ø263

Impeller sizes[mm]


> ∅ 249 ≤ ∅ 263 37 (2960 rpm)48

> ∅ 220 ≤ ∅ 249 30 (2960 rpm)

> ∅ 205 ≤ ∅ 220 22 (2950 rpm) 26

= ∅ 205 18.5 (2940 rpm) 19

13

14

NKF 65-2002-pole





TM04

803

2 27

10

0 400 800 1200 1600 2000 2400 2800 3200 Q [l/min]

4

8

12

16

20

24

28

32

36

40

44

48

52

56

60

64

68

[m]H

0 500 1000 1500 2000 2500 3000 3500 Q [l/min]

NKF 65-200

ISO 9906 Annex A

2-pole, 50 Hz

DBI 251/4001

2950/3000 rpm

ø170

ø185

ø195

ø215

ø219 37 kW

30 kW

22 kW

18,5 kW

15 kW

0 400 800 1200 1600 2000 2400 2800 3200 Q [l/min]

0

5

10

15

20

25

30

[kW]P2

0

4

8

12

16

20

NPSH[m]

ø170 (Min. NPSH)

ø170

ø185

ø195

ø215ø219

ø219 (Max. NPSH)

Impeller sizes[mm]


> ∅ 215 ≤ ∅ 219 37 (2960 rpm)48

> ∅ 195 ≤ ∅ 215 30 (2960 rpm)

> ∅ 186 ≤ ∅ 195 22 (2950 rpm) 26

> ∅ 170 ≤ ∅ 186 18.5 (2940 rpm)19

= ∅ 170 15 (2940 rpm)

NKF 80-2002-pole





TM04

803

3 27

10

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 Q [l/min]

15

20

25

30

35

40

45

50

55

60

65

70

[m]H

0 50 100 150 200 250 300 Q [m³/h]

NKF 80-200

ISO 9906 Annex A

2-pole, 50 Hz

2950/3000 rpm

DBI 251/4001

ø188

ø202

ø213

ø222

55 kW

45 kW

37 kW

30 kW

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 Q [l/min]

0

10

20

30

40

50

[kW]P2

0

5

10

15

20

NPSH[m]


ø188

ø202

ø213

ø222

Impeller sizes[mm]


> ∅ 213 ≤ ∅ 222 55 (2960 rpm) 64

> ∅ 202 ≤ ∅ 213 45 (2980 rpm)

48> ∅ 188 ≤ ∅ 202 37 (2960 rpm)

= ∅ 188 30 (2960 rpm)

15

16

NKF 80-2502-pole





TM04

803

4 27

10

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 Q [l/min]

10

20

30

40

50

60

70

80

90

100

110

[m]H

0 50 100 150 200 250 300 350 Q [m³/h]

NKF 80-250

ISO 9906 Annex A

2-pole, 50 Hz

2950/3000 rpm

DBI 251/4001

ø216

ø233

ø255

ø270

90 kW

75 kW

55 kW

45 kW

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 Q [l/min]

0

20

40

60

80

100

[kW]P2

0

5

10

15

20

NPSH[m]

ø216 (Min. NPSH)

ø270 (Max. NPSH)

ø216

ø233

ø255

ø270

Impeller sizes[mm]


> ∅ 255 ≤ ∅ 270 90 (2980 rpm)96

> ∅ 233 ≤ ∅ 255 75 (2970 rpm)

> ∅ 216 ≤ ∅ 233 55 (2960 rpm) 64

= ∅ 216 45 (2980 rpm) 48

NKF 100-2002-pole





TM04

803

5 27

10

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 Q [l/min]

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

[m]H

0 50 100 150 200 250 300 350 400 Q [m³/h]

NKF 100-200

ISO 9906 Annex A

2-pole, 50 Hz

2950/3000 rpm

DBI 251/4001ø209

ø215

ø219

75 kW

45 kW

55 kW

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 Q [l/min]

0

10

20

30

40

50

60

70

[kW]P2

0

4

8

12

16

NPSH[m]

ø209

ø215

ø219

ø209 (NPSH) ø219 (NPSH)

NBF, NKF 100-200Impeller sizes


> ∅ 215 ≤ ∅ 219 75 (2970 rpm)64

> ∅ 209 ≤ ∅ 215 55 (2960 rpm)

= ∅ 209 45 (2980 rpm) 48

17

18

NKF 125-2502-pole




The full lines show the performance curves of electrically powered pumps. The dotted lines show the performance curves of diesel-powered pumps.

TM04

804

0 27

10

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 Q [l/min]

0

10

20

30

40

50

60

70

80

90

100

110

[m]H

0 100 200 300 400 500 600 Q [m³/h]

NKF 125-250

ISO 9906 Annex A

2-pole, 50 Hz

DBI 251/4001

2950/3000 rpm

ø226

ø255

ø242

ø250

ø262

ø265

ø226

ø237

ø245

ø255

ø269200 kW

90 kW

110 kW

132 kW

160 kW

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 Q [l/min]

0

20

40

60

80

100

120

140

160

180

[kW]P2

0

4

8

12

16

NPSH

[m]ø226

ø237

ø245

ø255

ø269

ø226 (NPSH)

ø269 (NPSH)

NBF, NKF 125-250Impeller sizes

P2 [kW] NBF, NKF 125-250Impeller sizes


> ∅ 255 ≤ ∅ 269 200 (2990 rpm) > ∅ 262 ≤ ∅ 265 184

> ∅ 245 ≤ ∅ 255 160 (2990 rpm) > ∅ 250 ≤ ∅ 262 178

> ∅ 237 ≤ ∅ 245 132 (2990 rpm) > ∅ 242 ≤ ∅ 250 147

≤ ∅ 237 110 (2990 rpm) ≤ ∅ 242 119

Performance curves




TM04

803

7 27

10

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 Q [l/min]

0

5

10

15

20

25

30

35

40

45

50

55

60

65

[m]H

0 100 200 300 400 500 600 700 Q [m³/h]

NKF 150-400

ISO 9906 Annex A

4-pole, 50 Hz

1480 rpm

DBI 251/4001

ø318

ø335

ø368

ø389

ø410

45 kW

55 kW

75 kW

90 kW

110 kW

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 Q [l/min]

0

20

40

60

80

100

120

[kW]P2

0

5

10

15

20

NPSH[m]

ø318 (Min. NPSH)ø410 (Max. NPSH)

ø318

ø335

ø368

ø389

ø410

Impeller sizes[mm]


> ∅ 389 ≤ ∅ 410 110 (1490)113

> ∅ 368 ≤ ∅ 389 90 (1480)

> ∅ 335 ≤ ∅ 368 75 (1480) 77

> ∅ 318 ≤ ∅ 335 55 (1480)65

= ∅ 318 45 (1480)

NKF 150-4004-pole

diesel engine

19

20

NKF 150-400diesel enginePerformance curves

NKF 150-400 (diesel engine 1600 rpm)


TM04

911

5 35

10

0 2000 4000 6000 8000 10000 12000 14000Q [l/min]

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

[m]H

0 200 400 600 800 Q [m³/h]

NKF 150-400

ISO 9906 Annex A

1600 rpm

DBI 251/4001

ø318

ø335

ø368

ø389

ø410

0 2000 4000 6000 8000 10000 12000 14000Q [l/min]

0

20

40

60

80

100

120

140

[kW]P2

0

5

10

15

20

NPSH[m]


ø318

ø335

ø368

ø389

ø410

Impeller size[mm]

P2 [kW]Diesel engine

> ∅ 389 ≤ ∅ 410 152

> ∅ 368 ≤ ∅ 389 129

> ∅ 335 ≤ ∅ 368 93

≤ ∅ 335 76




TM04

911

6 35

10

0 2000 4000 6000 8000 10000 12000 14000 Q [l/min]

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

[m]H

0 200 400 600 800 Q [m³/h]

NKF 150-400

ISO 9906 Annex A

1700 rpm

DBI 251/4001

ø318

ø335

ø368

ø389

ø410

0 2000 4000 6000 8000 10000 12000 14000 Q [l/min]

0

20

40

60

80

100

120

140

160

[kW]P2

0

5

10

15

20

NPSH[m]


ø318

ø335

ø368

ø389

ø410

Impeller size[mm]


> ∅ 389 ≤ ∅ 410 159

> ∅ 368 ≤ ∅ 389 141

> ∅ 335 ≤ ∅ 368 107

≤ ∅ 335 85

21

22




TM04

911

7 35

10

0 2000 4000 6000 8000 10000 12000 14000 Q [l/min]

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

[m]H

0 200 400 600 800 Q [m³/h]

NKF 150-400

ISO 9906 Annex A

1800 rpm

DBI 251/4001

ø318

ø335

ø368

ø389

ø410

0 2000 4000 6000 8000 10000 12000 14000 Q [l/min]

0

20

40

60

80

100

120

140

160

180

200

[kW]P2

0

5

10

15

20

NPSH

[m]


ø318

ø335

ø368

ø389

ø410

Impeller size[mm]


> ∅ 389 ≤ ∅ 410 218

> ∅ 335 ≤ ∅ 389 152

≤ ∅ 335 92

NKF 150-5004-pole





TM04

803

8 27

10

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 Q [l/min]

0

10

20

30

40

50

60

70

80

90

100

110

120

[m]H

0 100 200 300 400 500 600 700 800Q [m³/h]

NKF 150-500

ISO 9906 Annex A

4-pole, 50 Hz

1480 rpm

DBI 251/4001

/415

/441

/476

/518

/538

250 kW

200 kW

160 kW

132 kW

110 kW

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 Q [l/min]

0

40

80

120

160

200

240

[kW]P2

0

10

20

NPSH[m]

/415 (Min. NPSH) /538 (Max. NPSH)

/415

/441

/476

/518

/538

Impeller sizes[mm]


> ∅ 518 ≤ ∅ 538 250 (1490) 113

> ∅ 476 ≤ ∅ 518 200 (1480) 197

> ∅ 441 ≤ ∅ 476 160 (1480) 180

> ∅ 415 ≤ ∅ 441 132 (1480) 143

= ∅ 415 110 (1480) 113

23

24




TM04

911

8 35

10

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 Q [l/min]

0

10

20

30

40

50

60

70

80

90

[m]H

0 100 200 300 400 500 600 Q [m³/h]

NKF 150-500

ISO 9906 Annex A

1600 rpm

DBI 251/4001

/415

/441

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 Q [l/min]

0

40

80

120

160

[kW]P2

0

10

20

NPSH

[m]

/415

/415 (Min. NPSH)

/441

/441 (Max. NPSH)

Impeller size[mm]


> ∅ 415 ≤ ∅ 441 196

≤ ∅ 415 152




TM04

911

9 35

10

0 2000 4000 6000 8000 10000 12000 14000Q [l/min]

0

10

20

30

40

50

60

70

80

90

100

[m]H

0 200 400 600 800 Q [m³/h]

NKF 150-500

ISO 9906 Annex A

1700 rpm

DBI 251/4001

/415

/441

0 2000 4000 6000 8000 10000 12000 14000Q [l/min]

0

40

80

120

160

200

[kW]P2

0

10

20

NPSH[m]

/415 (Min. NPSH) /441 (Max. NPSH)

/415

/441

Impeller size[mm]


≤ ∅ 441 209

25

26




TM04

912

0 35

10

0 2000 4000 6000 8000 10000 12000 14000Q [l/min]

0

10

20

30

40

50

60

70

80

90

100

110

120

[m]H

0 200 400 600 800 Q [m³/h]

NKF 150-500

ISO 9906 Annex A

1800 rpm

DBI 251/4001

/415

/441

0 2000 4000 6000 8000 1e+004 1e+004 Q [l/min]

0

40

80

120

160

200

240

[kW]P2

0

10

20

NPSH[m]

/415 (Min. NPSH)

/441 (Min. NPSH)

/415

/441

Impeller size[mm]


> ∅ 415 ≤ ∅ 441 238

≤ ∅ 415 218

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