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www.imo.se

GA

 0601.03 en-GB, ID-No.: 901930331, 161-490/A

These instructions are valid for all valves as specified in the 

Valve identification chart 

below.

Installation

BEFORE COMMENCING ANY WORK, READ THIS INSTRUCTION CAREFULLY!

Design limitations and technical data for each valve are found in the 

Product description

.

Installation of IMO AB valves does not require special skills. However, these instructions presume that the 

work is carried out by experienced fitters.

 

   

Failure to comply with these instructions 

may cause damage and personal injury!

Valve identification

 

Valve 

Size 

Generation 

Valve 

Valid for 

Comments

 name 

 

 

spring  option 

  

 

  pressure 

  

 

 

 

 

GAR 

012 

 

 

 

Threaded

 

 

034 

 

 

 

pipe

 

 

100 

 

 

 

connections

 

 

112 

 

 

 

 

GAS 

015 

 

 

 

SAE

 

 

020 

 

 

 

flanged

 

 

025 

 

 

 

pipe

 

 

040 

 

 

 

connections

 

GAD 

065 

 

 

 

DIN

 

 

 

 

 

 

flanged

  

 

 

 

 

pipe

  

 

 

 

 

connections

Identification of safety instructions

Non compliance of safety instructions

identified by the following symbol -

could affect safety for persons.

Safety instructions  where

electrical safety is involved,

are identified by:

Safety instructions which shall be considered for

reasons of safe operation of the valve unit and/or

protection of the valve unit

itself are marked by the sign:

ATTENTION

01

T008

T040

T075

T100

A078

A308

A313

  

 All work carried out on the valve has to be 

performed in such a manner that risks for 

personal injury are observed! 

Transport and storage

Always protect the valve against ingress of water and other impurities. Store the valve in a clean, dry and 

warm environment. The valve is delivered with the internals oiled and with protective covers over the pipe 

connections. These covers should remain in place for as long as possible during the mounting and installa

-

tion procedure.

Содержание IMO GA Series

Страница 1: ...up Trouble shooting 4 Sectional view 5 List of components Ordering code 6 Useful tools GAD springs 7 GAR GAS dismantling reassembly 8 GAD dismantling reassembly 10 Before commencing any work read thi...

Страница 2: ...s GAD 065 DIN flanged pipe connections Identification of safety instructions Non compliance of safety instructions identified by the following symbol could affect safety for persons Safety instruction...

Страница 3: ...tions to avoid danger are to be taken Pressure testing and flushing The system must be flushed and pressure tested before connecting the valve If corrosive liquid such as water is used for the test th...

Страница 4: ...ring Pressure too low What to do Problem Cause Pressure too high Pressure is fluctuating Hunting Pressure accumulation too big Pressure drops below set value when overflow increases The pressure relie...

Страница 5: ...GAS Fig 4 Fig 5 646 648 647 608 609 605 626 658 601 497A 497B 4800 614 618 625 617 451 615 612B 602 612A 212 497 497C 537 537A 612C 213 623 626A 626 609 6010 611 615 451 602 612 617 618 625 614 480 64...

Страница 6: ...GAS T075 136069 136093 136127 136150 GAS T100 189495 145409 143867 144394 GAD T008 132928 GAD T040 132902 GAD T075 132894 GAD T100 132910 423 O ring 152447 016717 016733 016782 602 O ring 016741 01676...

Страница 7: ...213 612C 623 615 213 612C 615 213 612C 615 213 612C 615 T008 T040 T075 T100 1 Valve spring 26 Washers 25 Washers 32 Washers GAD spring 615 Assembly drawings Fig 7 O rings Range 2 8 bar Range 6 40 bar...

Страница 8: ...oving and opening the valve C Fig 10 Loosen screws 451 Remove valve cover 601 and collect the washers 611 and 612 and the valve spring 615 611 615 612 601 451 Fig 9 617 618 625 614 Carefully pull out...

Страница 9: ...609 Unscrew the set screw 608 and replace the O ring 605 Fit the set screw 608 back into place again Grease the new O ring before mounting it I Reassemble in reversed order Put the valve back into the...

Страница 10: ...the O ring 605 Replace the O ring if necessary Loosen and remove the screws 451 Re move the valve cover 601 and collect the valve assembly A B C D 213 623 for T008 615 for T008 612C 213 612C 615 T040...

Страница 11: ...ts Check the poppet 614 especially the groove for the retaining ring 212 Replace it if damaged Fig 24 Fig 25 Fig 26 Replace the O ring 602 if necessary Lubri cate the new O ring before mounting it 646...

Страница 12: ...12 www imo se GA 0601 03 en GB ID No 901930331 161 490 A Adress IMO AB PO Box 42090 126 14 Stockholm Sweden...

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