GRUNDFOS ILLUSTRATED SERVICE INSTRUCTIONS

NK/NKG 50/60 Hz

Contents

Dismantling.......................................................................................................................... 3 Replacing the stuffing box ................................................................................................. 11 Replacing the wear ring..................................................................................................... 14 Replacing the coupling rubber pads .................................................................................. 16 Assembling the pump ........................................................................................................ 18 Aligning the pump and motor with a ruler .......................................................................... 27 Aligning the pump and motor with laser equipment........................................................... 29 Tightening torques and distances...................................................................................... 34

2

Dismantling

1

2

Remove the screws of the coupling guard.

Remove the coupling guard.

3

4

Remove the distance piece.

Pump with spacer coupling: Remove the screws between the spacing pipe and coupling ring.

3

5

6

Pump with spacer coupling: Fit the screws into the dismounting holes, and turn the screws until the coupling ring separates from the spacing pipe.

Pump with spacer coupling: Remove the screws holding the distance pipe to the coupling half of the motor.

7

8

Pump with spacer coupling: Fit the screws into the dismounting holes, and turn the screws until the spacing pipe separates from the coupling half of the motor.

Pump with spacer coupling: Remove the coupling ring.

9

10

Pump with standard coupling: Remove the foundation screws which fix the motor.

Pump with standard coupling: Lift off the motor.

4

11

12

All coupling types: Slacken the set screws of the coupling half of the pump.

Remove the coupling half.

13

14

Remove the screws of the coupling guard retainer.

Remove the coupling guard retainer.

15

16

Remove the nuts (apart from the one in the top) that hold the cover on the pump housing.

Remove the screws of the shaft covers, and remove the shaft covers.

5

17

18

Fit a lifting strap from the bearing bracket to a crane/ hoist. Remove the nuts of the bearing bracket base.

Remove the last nut holding the cover on the pump housing.

19

20

Pull the lifting strap taut, and loosen the cover from the pump housing using a pinch bar.

Lift off the bearing bracket, cover, impeller etc.

21

22

Remove the bearing bracket base from the bearing bracket, and lower the motor stool onto a firm surface.

Hold the impeller with a strap wrench, and slacken the impeller nut. Remove the impeller nut, spring washer and washer from the shaft.

6

23

24

Remove the O-ring from the cover.

Remove the impeller. It may be necessary to loosen the impeller with a pinch bar or similar tool.

25

26

Remove the key.

Remove the spacer rings, if any, from the shaft seal.

27

28

Shaft seals Rotating part: Type MG13: Steps 28 and 32-33. Type HJ92: Steps 29 and 32-33. Type M7N: Steps 30-31. Stationary part: All types: Steps 32-33. Stuffing box: See section “Replacing the stuffing box”.

Shaft seal, type MG13: Pull off the rotating shaft seal part using two screwdrivers.

7

29

30

Shaft seal, type HJ92: Pull off the rotating shaft seal part using two screwdrivers.

Shaft seal, type M7N: Pull off the spring retainer using two screwdrivers.

31

32

Shaft seal, type M7N: Remove the seal ring with O-ring using two screwdrivers.

If the pump is not to be dismantled further, the stationary shaft seal part can be pressed out from the back by means of a hexagon key or similar tool.

33

34

Stationary shaft seal part being pressed out from the back.

Remove the nuts holding the bearing bracket on the cover.

8

35

36

Loosen the bearing bracket using a pinch bar, and lift off the bearing bracket.

If the stationary shaft seal part was not removed in step 32, press it out from the back.

37

38

Remove the V-ring.

Loosen the bearing cover using a screwdriver, and remove it.

39

40

Remove the lock ring.

Pull the shaft with bearings out of the bearing bracket.

9

41

42

Remove the O-ring in the motor end of the bearing bracket.

Remove the O-ring in the pump end of the bearing bracket.

10

Replacing the stuffing box

1

2

Remove the nuts of the stuffing box gland.

Remove the two stuffing box gland halves.

3

4

Remove the shaft sleeve from the stuffing box.

Remove the packing rings and the distribution ring, if any, (the number of packing rings and whether a distribution ring is fitted, depends on the stuffing box type).

11

5

6

Cut new packing rings to the same size as that of the old ones.

Fit the shaft sleeve into the hole of the cover.

7

8

SNO

SNF

SNE

Fit new packing rings. SNE: Packing ring, distribution ring and 3 packing rings. SNO: 5 packing rings. SNF: 2 packing rings, distribution ring and 2 packing rings.

Stuffing box types.

9

10

Fit the two stuffing box glands.

Displace the joints by 90 ° when fitting the packing rings.

12

11

12

Put together the two stuffing box glands, and fit the nuts.

Tighten the screws loosely. They are not to be tightened completely until the pump is in operation. Then tighten them to a rate of 20 to 40 drops/minute from the stuffing box.

13

Fit the cover on the motor stool. The air vent screw must point towards the right pump side (seen from the motor).

13

Replacing the wear ring

1

2

Wear rings Cast iron or bronze wear ring: Steps 2-4. Stainless steel wear ring: Steps 5-8.

Pump with cast iron or bronze wear ring: Insert the hook of the puller under the wear ring.

3

4

Knock the impact block against the puller end stop. Move the puller to another position under the wear ring.

Knock the new wear ring home using a piece of wood as a buffer. Repeat steps 2-4 for the second wear ring of the pump.

14

5

6

Pump with stainless steel wear ring: Unscrew the screws of the wear ring, and remove the wear ring.

The two types of stainless steel wear ring: Without and with carbon-graphite-filled PTFE ring.

7

8

Fit the new wear ring.

Fasten the wear ring with the four screws. Tighten the screws to 5 Nm. Repeat steps 5-8 for the second wear ring of the pump.

15

Replacing the coupling rubber pads

1

2

Pump with spacer coupling: Prise the rubber pads out of the coupling ring using a screwdriver.

Pump with spacer coupling: Fit new rubber pads in the coupling half.

3

4

Pump with standard coupling: Remove the nuts from the screws, and remove the spring washer.

Pump with standard coupling: Pull the screw out of the coupling half, and remove the washer.

16

5

6

Pump with standard coupling: Replace the rubber bush.

Pump with standard coupling: Fit the washer on the screw, and insert the screw into the coupling half.

7

8

Pump with standard coupling: Fit the spring washer and nut.

Pump with standard coupling: Hold the screw, and tighten the nut. M12: 40 Nm. M20: 150 Nm. M24: 180 Nm.

17

Assembling the pump

1

2

Lubricate and fit the O-ring in the pump end of the bearing bracket.

Lubricate and fit the O-ring in the motor end of the bearing bracket.

3

4

Fit the shaft with bearing in the bearing bracket.

Fit the V-ring on the pump end of the shaft.

18

5

6

Lift the bearing bracket with pump shaft onto the cover. The air vent screw must point towards the right pump side (seen from the motor).

Fit the nuts, and tighten them loosely.

7

8

Fit the lock ring.

Fit the bearing cover. Knock it carefully home using a plastic hammer.

9

10

Shaft seals Stationary part: All types: Steps 10-12. Rotating part: Type M7N: Steps 12-14 and 15-17. Type HJ92: Steps 12-14 and 18-20. Type MG13: Step 21.

Spray soapy water on the shaft.

19

11

12

Fit the stationary shaft seal part on the shaft (do not touch the seal face with your fingers). Press it home using a punch of soft material.

Remove the screws, if any, from the rotating shaft seal part, and discard them.

13

14

Fit the mounting bush on the shaft.

Spray soapy water on the shaft and the mounting bush.

15

16

Shaft seal, type M7N: Fit the seal ring with O-ring on the shaft (do not touch the seal face with your fingers).

Shaft seal, type M7N: Press the seal ring against the stationary shaft seal part using a punch of soft material.

20

17

18

Shaft seal, type M7N: Fit the spring retainer.

Shaft seal, type HJ92: Press the rotating shaft seal part home using a punch of soft material.

19

20

Shaft seal, type HJ92: Fit the spacer ring(s).

Shaft seal, type HJ92: Remove the mounting bush.

21

22

Shaft seal, type MG13: Fit the rotating shaft seal part on the shaft, and press it home using a punch of soft material.

Fit the O-ring on the cover.

21

23

24

Fit the key in the pump shaft.

Fit the impeller on the pump shaft.

25

26

Fit the washer, spring washer and nut.

Hold the impeller with a strap wrench, and tighten the nut. M14: 70 Nm. M18: 155 Nm. M24: 375 Nm. M27: 375 Nm. M33: 375 Nm.

27

28

Lubricate the O-ring with O-ring grease.

Lift the bearing bracket with cover and impeller onto the pump housing.

22

29

30

Fit the nuts, and pull the cover home by cross-tightening the nuts loosely.

Fasten the cover to the pump housing by crosstightening the nuts. M10: 45 Nm. M12: 80 Nm. M16: 145 Nm. M24: 200 Nm.

31

32

Fasten the bearing bracket to the cover by crosstightening the nuts. M10: 45 Nm. M12: 80 Nm. M16: 145 Nm. M24: 200 Nm.

Fit the shaft covers on the bearing bracket, and tighten the screws: M4: 4 Nm. M6: 10 Nm. M8: 12 Nm. M10: 23 Nm.

33

34

Fasten the bearing bracket base: M12: 40 Nm. M16: 75 Nm.

Check that the pump shaft can rotate freely.

23

35

36

Fit the coupling guard retainer, and tighten the four screws. M6: 10 Nm

Fit the coupling half on the pump shaft, and position it so that it is flush with the shaft end.

37

38

Apply a drop of Loctite 243 to the set screws, and tighten them. M4: 4 Nm. M6: 10 Nm. M8: 12 Nm. M10: 23 Nm. M16: 145 Nm.

Spacer coupling: Fit the coupling ring.

39

40

Spacer coupling: Fit the spacing pipe, and fasten it on the coupling half of the motor.

Spacer coupling: Tighten the screws. M6: 17.5 Nm. M8: 17.5 Nm. M10: 44 Nm. M12: 86 Nm. M16: 145 Nm.

24

41

42

Spacer coupling: Turn the coupling discs to displace the keys by 180 °, and fit the screws which hold the coupling ring and the spacing pipe together.

Spacer coupling: Tighten the screws. M6: 17.5 Nm. M8: 17.5 Nm. M10: 44 Nm. M12: 86 Nm. M16: 145 Nm.

43

44

Standard coupling: Lift the motor home.

Standard coupling: Tighten the foundation screws.

45

46

S2

Coupling diameter [mm]

All coupling types: Check that the distance S2 meets the tolerances on the whole circumference of the coupling.

Standard coupling

Spacer coupling

S2 [mm]

Tolerance [mm]

S2 [mm]

Tolerance [mm]

∅80

-

-

6

0/-1

∅95

-

-

6

0/-1

∅110

-

-

6

0/-1

∅125

4

0/-1

6

0/-1

∅140

4

0/-1

6

0/-1

∅160

4

0/-1

6

0/-1

∅180

4

0/-1

6

0/-1

∅200

4

0/-1

7

0/-1

∅224

4

0/-1

7

0/-1

∅250

4

0/-1

9

0/-1

S2 is measured on the whole circumference of the coupling. The largest and smallest measured values must not differ by more than 0.2 mm.

25

47

48

Align the pump and motor. See “Aligning the pump and motor with laser equipment” or ”Aligning the pump and motor with a ruler”.

Fit the spacer ring of the coupling guard.

49

50

Fit the coupling guard.

Tighten the coupling guard together on the base. M5: 5 Nm. M6: 10 Nm. M8: 12 Nm.

26

Aligning the pump and motor with a ruler

1

2

∅

S1 S2

It is very important that the pump/motor alignment is carried out correctly. The maximum value of S1 is 0.2 mm. Values of ∅ and S2, see the table on page 25.

Make a rough alignment of pump and motor, and tighten the foundation screws to the correct torque in the base frame. See page 34.

3

4

Make a mark on the coupling, for instance with a mark pen.

Hold a straight-edge against the coupling, and determine the inaccuracy, if any, with a feeler gauge.

27

5

6

Turn the coupling 90 °, and repeat the measurement with a straight-edge and feeler gauge. If the measured values are less than 0.2 mm, the alignment is finished. Go to step 8.

Adjust the position of the motor. Slacken the foundation screws of the motor.

7

8

Place shims with the required thickness.

Tighten the foundation screws to the correct torque again. Go to step 3, and check the alignment once more.

9

S2

Check the distance S2. Correct distance, see page 25.

28

Aligning the pump and motor with laser equipment

1

2

Make a rough alignment of pump and motor using a straight-edge and feeler gauge, and tighten the foundation screws to the correct torque. See page 34.

Fasten one laser bracket on the coupling half of the pump.

3

4

Fasten the other laser bracket on the coupling half of the motor.

Laser unit S (Stationary) is on the stationary part. Laser unit M (Movable) is on the part that is moved.

29

5

6

Interconnect the laser units, and connect one laser unit with the control box.

Make sure that the laser units are at the same height.

8

7

Enter the distance.

Measure the distance between the white lines on the laser units.

9

10

Measure the distance between the S unit and the centre between the couplings.

Enter the distance.

30

11

12

Measure the distance from the S unit to the first foundation screw of the motor.

Enter the distance.

13

14

Measure and enter the distance from the S unit to the rear foundation screw of the motor.

The control box shows that the laser units must be turned to position 9 o'clock.

15

16

Turn the laser units to position 9 o'clock. Confirm on the control box.

Turn the laser units to position 12 o'clock. Confirm on the control box.

31

17

18

Turn the laser units to position 3 o'clock.

Confirm on the control box.

19

20

Result of measurement. If the measured values are less than 0.1 mm, the alignment is finished. Go to step 24.

Adjust the position of the motor. Slacken the foundation screws of the motor.

21

22

Place shims with the required thickness.

Tighten the foundation screws to the correct torque again.

32

23

24

S2

Repeat the alignment until the values are within the tolerances. Go to step 14.

Check the distance S2. Correct distance, see page 25.

33

Tightening torques and distances

Tightening torques and lubricants Pos. 7a 17a

Description Screws for coupling guard Air vent screw

20

Pipe plug

24

Hexagon socket head screw

36, 36a

Nut

53a, 54a

O-ring

67

72a

89a, 89b

89c, 89d

89d, 89e

90a

Quantity

1 2 2x4

Torque [Nm]

M5

5±1

M6

10 ± 2

M8

12 ± 2.4

1/8”

15 ± 2

3/8”

25 ± 5

1/2”

30 ± 6

M5

5 ± 0.5

M10

45 ± 9

M12

80 ± 16

M16

145 ± 30

M24

200 ± 40

M14

70 ± 7

M18

155 ± 15

M24

375 ± 35

M27

375 ± 35

M33

375 ± 35

M4

4 ± 0.8

2

Nut

1

O-ring

Spacer coupling: Hexagon socket head screw

8

Standard coupling: Hexagon socket head screw

8

Loctite 243 Loctite 243

Rocol Sapphire Aqua-Sil

Rocol Sapphire Aqua-Sil

Soapy water M6

10 ± 2

M8

12 ± 2.4

M10

23 ± 4.6

M16

145 ± 30

M6

17.5 ± 4

M8

17.5 ± 4

M10

44 ± 9

M12

86 ± 17

M16

145 ± 30

M12

40 ± 8

M20

150 ± 15

M24

180 ± 18 10 ± 2

4

M6

2, 6

M8

12 ± 3

4

M10

23 ± 5

6, 8, 10

M12

40 ± 8

4, 8

M16

80 ± 16

4, 8

M20

120 ± 24

4

M24

120 ± 24

34

Lubricant

Rocol Sapphire Aqua-Sil

1

Set screw

Hexagon head screw

Dimensions

Loctite 243

Rocol Sapphire Aqua-Sil

Rocol Sapphire Aqua-Sil

Rocol Sapphire Aqua-Sil

Pos.

Description

Quantity

90d

Hexagon head screw

2

90e

Hexagon head or hexagon socket head screw

1

105

Shaft seal

1

110

Stud

2

110a

Nut

2

Dimensions

Torque [Nm]

M12

40 ± 8

M16

75 ± 15

Lubricant Rocol Sapphire Aqua-Sil

80 Soapy water M10

20 ± 4

M4

4 ± 0.8

a)

124d

Screw

2x2

159a

V-ring

2

M6

10 ± 2

M8

12 ± 2.4

M10

23 ± 4.6 Soapy water

a) Do not tighten the stuffing box nuts until the pump is operating. The stuffing box is supposed to leak approx. 20 - 40 drops per minute.

Distance between couplings

∅

S1 S2

Standard coupling

Spacer coupling

Coupling diameter S2

Tolerance

S2

Tolerance

[mm]

[mm]

[mm]

[mm]

∅80

-

-

6

0/-1

∅95

-

-

6

0/-1

∅110

-

-

6

0/-1

∅125

4

0/-1

6

0/-1

∅140

4

0/-1

6

0/-1

∅160

4

0/-1

6

0/-1

∅180

4

0/-1

6

0/-1

∅200

4

0/-1

7

0/-1

∅224

4

0/-1

7

0/-1

∅250

4

0/-1

9

0/-1

[mm]

S2 is measured on the whole circumference of the coupling. The largest and smallest measured values must not differ by more than 0.2 mm. S1 is measured on the whole circumference of the coupling and must not exceed 0.2 mm.

35

TM034895 3306

Exploded view

36

37

38

Argentina

France

México

Taiwan

Bombas GRUNDFOS de Argentina S.A. Ruta Panamericana km. 37.500 Lote 34A 1619 - Garin Pcia. de Buenos Aires Phone: +54-3327 414 444 Telefax: +54-3327 411 111

Pompes GRUNDFOS Distribution S.A. Parc d’Activités de Chesnes 57, rue de Malacombe F-38290 St. Quentin Fallavier (Lyon) Tél.: +33-4 74 82 15 15 Télécopie: +33-4 74 94 10 51

GRUNDFOS Pumps (Taiwan) Ltd. 7 Floor, 219 Min-Chuan Road Taichung, Taiwan, R.O.C. Phone: +886-4-2305 0868 Telefax: +886-4-2305 0878

Australia

Germany

Bombas GRUNDFOS de México S.A. de C.V. Boulevard TLC No. 15 Parque Industrial Stiva Aeropuerto Apodaca, N.L. 66600 Phone: +52-81-8144 4000 Telefax: +52-81-8144 4010

GRUNDFOS Pumps Pty. Ltd. P.O. Box 2040 Regency Park South Australia 5942 Phone: +61-8-8461-4611 Telefax: +61-8-8340 0155

GRUNDFOS GMBH Schlüterstr. 33 40699 Erkrath Tel.: +49-(0) 211 929 69-0 Telefax: +49-(0) 211 929 69-3799 e-mail: [email protected] Service in Deutschland: e-mail: [email protected]

Austria GRUNDFOS Pumpen Vertrieb Ges.m.b.H. Grundfosstraße 2 A-5082 Grödig/Salzburg Tel.: +43-6246-883-0 Telefax: +43-6246-883-30

Belgium N.V. GRUNDFOS Bellux S.A. Boomsesteenweg 81-83 B-2630 Aartselaar Tél.: +32-3-870 7300 Télécopie: +32-3-870 7301

Belorussia Представительство ГРУНДФОС в Минске 220090 Минск ул.Олешева 14 Телефон: (8632) 62-40-49 Факс: (8632) 62-40-49

Bosnia/Herzegovina GRUNDFOS Sarajevo Paromlinska br. 16, BiH-71000 Sarajevo Phone: +387 33 713290 Telefax: +387 33 231795

Brazil Mark GRUNDFOS Ltda. Av. Humberto de Alencar Castelo Branco, 630 CEP 09850 - 300 São Bernardo do Campo - SP Phone: +55-11 4393 5533 Telefax: +55-11 4343 5015

Bulgaria GRUNDFOS Pumpen Vertrieb Representative Office - Bulgaria Bulgaria, 1421 Sofia Lozenetz District 105-107 Arsenalski blvd. Phone: +359 2963 3820, 2963 5653 Telefax: +359 2963 1305

Canada GRUNDFOS Canada Inc. 2941 Brighton Road Oakville, Ontario L6H 6C9 Phone: +1-905 829 9533 Telefax: +1-905 829 9512

China GRUNDFOS Pumps (Shanghai) Co. Ltd. 51 Floor, Raffles City No. 268 Xi Zang Road. (M) Shanghai 200001 PRC Phone: +86-021-612 252 22 Telefax: +86-021-612 253 33

Croatia GRUNDFOS predstavništvo Zagreb Cebini 37, Buzin HR-10000 Zagreb Phone: +385 1 6595 400 Telefax: +385 1 6595 499

Czech Republic GRUNDFOS s.r.o. Čajkovského 21 779 00 Olomouc Phone: +420-585-716 111 Telefax: +420-585-716 299

Denmark GRUNDFOS DK A/S Martin Bachs Vej 3 DK-8850 Bjerringbro Tlf.: +45-87 50 50 50 Telefax: +45-87 50 51 51 E-mail: [email protected] www.grundfos.com/DK

Estonia GRUNDFOS Pumps Eesti OÜ Peterburi tee 92G 11415 Tallinn Tel: + 372 606 1690 Fax: + 372 606 1691

Finland OY GRUNDFOS Pumput AB Mestarintie 11 FIN-01730 Vantaa Phone: +358-3066 5650 Telefax: +358-3066 56550

Greece GRUNDFOS Hellas A.E.B.E. 20th km. Athinon-Markopoulou Av. P.O. Box 71 GR-19002 Peania Phone: +0030-210-66 83 400 Telefax: +0030-210-66 46 273

Hong Kong

Netherlands GRUNDFOS Netherlands Veluwezoom 35 1326 AE Almere Postbus 22015 1302 CA ALMERE Tel.: +31-88-478 6336 Telefax: +31-88-478 6332 e-mail: [email protected]

New Zealand GRUNDFOS Pumps NZ Ltd. 17 Beatrice Tinsley Crescent North Harbour Industrial Estate Albany, Auckland Phone: +64-9-415 3240 Telefax: +64-9-415 3250

GRUNDFOS Pumps (Hong Kong) Ltd. Unit 1, Ground floor Siu Wai Industrial Centre 29-33 Wing Hong Street & 68 King Lam Street, Cheung Sha Wan Kowloon Phone: +852-27861706 / 27861741 Telefax: +852-27858664

Norway

Hungary GRUNDFOS Hungária Kft. Park u. 8 H-2045 Törökbálint, Phone: +36-23 511 110 Telefax: +36-23 511 111

GRUNDFOS Pompy Sp. z o.o. ul. Klonowa 23 Baranowo k. Poznania PL-62-081 Przeźmierowo Tel: (+48-61) 650 13 00 Fax: (+48-61) 650 13 50

India

Portugal

GRUNDFOS Pumps India Private Limited 118 Old Mahabalipuram Road Thoraipakkam Chennai 600 096 Phone: +91-44 2496 6800

Bombas GRUNDFOS Portugal, S.A. Rua Calvet de Magalhães, 241 Apartado 1079 P-2770-153 Paço de Arcos Tel.: +351-21-440 76 00 Telefax: +351-21-440 76 90

Indonesia PT GRUNDFOS Pompa Jl. Rawa Sumur III, Blok III / CC-1 Kawasan Industri, Pulogadung Jakarta 13930 Phone: +62-21-460 6909 Telefax: +62-21-460 6910 / 460 6901

Ireland GRUNDFOS (Ireland) Ltd. Unit A, Merrywell Business Park Ballymount Road Lower Dublin 12 Phone: +353-1-4089 800 Telefax: +353-1-4089 830

Italy GRUNDFOS Pompe Italia S.r.l. Via Gran Sasso 4 I-20060 Truccazzano (Milano) Tel.: +39-02-95838112 Telefax: +39-02-95309290 / 95838461

Japan

GRUNDFOS Pumper A/S Strømsveien 344 Postboks 235, Leirdal N-1011 Oslo Tlf.: +47-22 90 47 00 Telefax: +47-22 32 21 50

Poland

România GRUNDFOS Pompe România SRL Bd. Biruintei, nr 103 Pantelimon county Ilfov Phone: +40 21 200 4100 Telefax: +40 21 200 4101 E-mail: [email protected]

Russia ООО Грундфос Россия, 109544 Москва, ул. Школьная 39 Тел. (+7) 495 737 30 00, 564 88 00 Факс (+7) 495 737 75 36, 564 88 11 E-mail [email protected]

Korea

Slovenia

GRUNDFOS Pumps Korea Ltd. 6th Floor, Aju Building 679-5 Yeoksam-dong, Kangnam-ku, 135-916 Seoul, Korea Phone: +82-2-5317 600 Telefax: +82-2-5633 725

GRUNDFOS PUMPEN VERTRIEB Ges.m.b.H., Podružnica Ljubljana Blatnica 1, SI-1236 Trzin Phone: +386 1 563 5338 Telefax: +386 1 563 2098 E-mail: [email protected]

Lithuania GRUNDFOS Pumps UAB Smolensko g. 6 LT-03201 Vilnius Tel: + 370 52 395 430 Fax: + 370 52 395 431

Malaysia GRUNDFOS Pumps Sdn. Bhd. 7 Jalan Peguam U1/25 Glenmarie Industrial Park 40150 Shah Alam Selangor Phone: +60-3-5569 2922 Telefax: +60-3-5569 2866

Turkey GRUNDFOS POMPA San. ve Tic. Ltd. Sti. Gebze Organize Sanayi Bölgesi Ihsan dede Caddesi, 2. yol 200. Sokak No. 204 41490 Gebze/ Kocaeli Phone: +90 - 262-679 7979 Telefax: +90 - 262-679 7905 E-mail: [email protected]

Ukraine ТОВ ГРУНДФОС УКРАЇНА 01010 Київ, Вул. Московська 8б, Тел.:(+38 044) 390 40 50 Фах.: (+38 044) 390 40 59 E-mail: [email protected]

United Arab Emirates GRUNDFOS Gulf Distribution P.O. Box 16768 Jebel Ali Free Zone Dubai Phone: +971-4- 8815 166 Telefax: +971-4-8815 136

United Kingdom GRUNDFOS Pumps Ltd. Grovebury Road Leighton Buzzard/Beds. LU7 8TL Phone: +44-1525-850000 Telefax: +44-1525-850011

U.S.A. GRUNDFOS Pumps Corporation 17100 West 118th Terrace Olathe, Kansas 66061 Phone: +1-913-227-3400 Telefax: +1-913-227-3500

Usbekistan Представительство ГРУНДФОС в Ташкенте 700000 Ташкент ул.Усмана Носира 1-й тупик 5 Телефон: (3712) 55-68-15 Факс: (3712) 53-36-35

GRUNDFOS Predstavništvo Beograd Dr. Milutina Ivkovića 2a/29 YU-11000 Beograd Phone: +381 11 26 47 877 / 11 26 47 496 Telefax: +381 11 26 48 340

Singapore

SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60, LV-1035, Rīga, Tālr.: + 371 714 9640, 7 149 641 Fakss: + 371 914 9646

GRUNDFOS (Thailand) Ltd. 947/168 Moo 12, Bangna-Trad Rd., K.M. 3, Bangna, Phrakanong Bangkok 10260 Phone: +66-2-744 1785 ... 91 Telefax: +66-2-744 1775 ... 6

Serbia

GRUNDFOS Pumps K.K. Gotanda Metalion Bldg., 5F, 5-21-15, Higashi-gotanda Shiagawa-ku, Tokyo 141-0022 Japan Phone: +81 35 448 1391 Telefax: +81 35 448 9619

Latvia

Thailand

GRUNDFOS (Singapore) Pte. Ltd. 24 Tuas West Road Jurong Town Singapore 638381 Phone: +65-6865 1222 Telefax: +65-6861 8402

Spain Bombas GRUNDFOS España S.A. Camino de la Fuentecilla, s/n E-28110 Algete (Madrid) Tel.: +34-91-848 8800 Telefax: +34-91-628 0465

Sweden GRUNDFOS AB Lunnagårdsgatan 6 431 90 Mölndal Tel.: +46-0771-32 23 00 Telefax: +46-31 331 94 60

Switzerland GRUNDFOS Pumpen AG Bruggacherstrasse 10 CH-8117 Fällanden/ZH Tel.: +41-1-806 8111 Telefax: +41-1-806 8115

Addresses revised 11.01.2008

Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence

96783163 0208 V7154959

GB

GRUNDFOS A/S . DK-8850 Bjerringbro . Denmark Telephone: +45 87 50 14 00 www.grundfos.com

Subject to alterations.