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English (GB)

8

Components of pressure intensifier

Fig. 8

Exploded view of pressure intensifier

Dimensions of pump with pressure intensifier

Fig. 9

Pump with pressure intensifier

Dimensions apply to all NKG pump sizes

T

M

04

 47

70

 20

0

9

Pos.

Designation

1

Pressure intensifier

2

Piston

3

Diaphragm

4

Non-return valve

5

Relief valve, opening pressure 25 bar

6

Vent screw

7

Spring for piston

8

Pressure gauge (barrier fluid)

9

Pressure gauge (pumped liquid)

TM

04

 43

35 

12

09

Shaft seal diameter

28

38

48

55

60

a [mm]

-

-

383

300

300

b [mm]

-

-

310

380

380

5

4

3

2

1

7

6

9

8

b

a

Содержание NKG

Страница 1: ...GRUNDFOS INSTRUCTIONS NKG Double seal back to back Installation and operating instructions...

Страница 2: ......

Страница 3: ...taliano IT Istruzioni di installazione e funzionamento 75 Latvie u LV Uzst d anas un ekspluat cijas instrukcija 82 Lietuvi kai LT rengimo ir naudojimo instrukcija 89 Magyar HU Szerel si s zemeltet si...

Страница 4: ...Table of contents 4 Svenska SE Monterings och driftsinstruktion 173 T rk e TR Montaj ve kullan m k lavuzu 180...

Страница 5: ...the barrier fluid in the barrier fluid chamber 4 Applications The back to back double seal arangement is the optimum solution in these cases The pump is pumping toxic and explosive liquids The pump i...

Страница 6: ...rangement with two separate shaft seals in a seal chambe Fig 2 Back to back seal arrangement with two separate shaft seals in a seal chamber In this back to back shaft seal arrangement the seal chambe...

Страница 7: ...nt without the cooling effect of recirculation Maximum operating pressure in seal chamber 16 bar Dosing unit outlet 1 x Rp 1 4 Cartridge seal A cartridge seal is not for use with a dead end connection...

Страница 8: ...Dimensions apply to all NKG pump sizes TM04 4770 2009 Pos Designation 1 Pressure intensifier 2 Piston 3 Diaphragm 4 Non return valve 5 Relief valve opening pressure 25 bar 6 Vent screw 7 Spring for p...

Страница 9: ...fig 2 When the liquid starts running out of the vent hole immediately close the vent screw Cartridge seal Fill the cartridge seal with barrier fluid through one of the connections pos 1 or 3 fig 4 Wh...

Страница 10: ...he suction pipe TM04 4465 1309 2 Filling with barrier fluid Fill the intensifier and the seal chamber cartridge seal with barrier fluid and connect the barrier fluid supply pipe to the unused inlet of...

Страница 11: ...onnections pos 1 and 3 fig 4 2 Empty the cartridge seal This can be done in two ways Blow out remaining liquid by means of an air gun or a similar device The pressure must not exceed the pressure rati...

Страница 12: ...e 81 35 448 1391 Telefax 81 35 448 9619 Korea 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 Latvia SIA GRU...

Страница 13: ...kes it possible Innovation is the essence The name Grundfos the Grundfos logo and the payoff Be Think Innovate are registrated trademarks owned by Grundfos Management A S or Grundfos A S Denmark All r...

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