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GA FIGURE 942, Инструкция по установке, эксплуатации и обслуживанию, Страница: 5 / 6

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5 

 

 

 
BACKFLUSHING INSTRUCTIONS 
 

Follow all local cross-connection and safety 

codes and regulations! 

 
To determine if a GA Industries sewage air valve 
needs cleaning or backflushing: 

•

  Close  the  inlet  isolating  valve  then  slowly 

open the ½” flushing ball valve (if installed) 
or  slowly  remove  the  pipe  plug  at  the  top 
of air valve to relieve internal pressure.  

•

  Open t

he 1” blow off ball valve (if installed) 

or  remove  the  pipe  plug  near  the  bottom.  
Liquid  should  freely  drain  from  the  valve 
body.  If it does not, then the valve is likely 
in need of cleaning or backflushing. 

 
To  clean  a  GA  Industries  sewage  air  release 
valve equipped with backflushing attachments:  

•

  Close  the  inlet  isolating  valve  and  then 

slowly  open  the  ½”  flushing  valve  to 
relieve internal pressure. 

•

  Open the 

1” blow off valve 

•

 

Connect  the  ½”  flushing  valve  to  a 
pressurized  source  of  clean  water  using 
the  rubber  hose  provided  with  the 
backflushing attachments.  

•

  Introduce  flushing  water  until  liquid  runs 

freely from the blow off valve. 

•

  Shut  off  and  disconnect  the  supply  of 

clean  water  and  close  the  blow  off  and 
flushing valves. 

 

•

  Slowly open the inlet isolating valve.  The 

air  release  valve  should  exhaust  air  and 
then close tightly

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
REPLACEMENT PARTS  

Genuine  replacement  parts  are  available  from 
your  local  VAG/GA  Industries  representative  or 
from the factory: 
 
VAG USA, LLC 
234 Clay Avenue 
Mars, PA 16046 USA 
Telephone: 724-776-1020 
Fax: 724-776-1254 
E-mail: 

[email protected]

 

 

Pease have the nameplate data available when 
ordering parts 

 
REPAIR KITS 

3

”  Soft  Goods  Kit  A942-3,  Part  Number  2-80-

11000-025 
4

”  Soft  Goods  Kit  A942-4,  Part  Number.  2-80-

11000-026 
6

”  Soft  Goods  Kit  A942-6,  Part  Number  2-80-

11000-027 
 
Soft  Goods  Kit  contains  Items  6,  7,  8,  17,  18  & 
19 
 
3

”  Linkage  Kit  AL942-3,  Part  Number  2-80-

11000-093 
4

”  Linkage  Kit  AL942-4,  Part  Number  2-80-

11000-094 
6

”  Linkage  Kit  AL942-6,  Part  Number  2-80-

11000-095 
 
Linkage Kit contains Items 13, 14, 15 and 16,  
 
All other items ordered individually. 
 

WARRANTY 

The Warranty for GA Industries valves is 
included in our Terms and Conditions which can 
be found here:  

https://gaindustries.com/terms

  

 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание FIGURE 942

Страница 1: ...ONTENTS Introduction 2 Description of Operation 2 Receiving Storage 2 Installation 2 Valve Construction 3 Preventive Maintenance 3 Trouble Shooting 3 Disassembly 3 4 Reassembly 4 Backflushing Instructions 5 Order Replacement Parts 5 Warranty 5 Figure 942 Drawing Parts List 6 234 Clay Avenue Mars PA 16046 USA Telephone 724 776 1020 Fax 724 776 1254 E mail info ga vag group com ...

Страница 2: ...hen water enters the valve and closes the orifices As air and sewage gas accumulate in the valve it forces the water level down until the float drops and opens the small air release orifice while the large orifice remains closed As air is released the water level rises lifting the float and re closing the small orifice This sequence occurs as often as necessary to release air and gas that has coll...

Страница 3: ...e the outlet piping is not obstructed and to verify there is no fluid leakage Depending on the nature of the fluid sewage air valves may become clogged with sediment or grease and require periodic cleaning To facilitate such cleaning GA Industries air valves with an F at the end of the Figure Number e g 942F were supplied with backflushing attachments Refer to the backflushing instructions on Page...

Страница 4: ...eat 4 into cage ensuring renewable seat remains in place Install cage O ring 7 position cage on cover and install cage bolts 27 and tighten Sizes 3 and 4 Thread orifice button 17 all the way into lever arm 13 and install hex nut 18 and lock washer 19 but do not tighten Connect the lever arm 7 to the cage 3 using spring pin 21 Adjust orifice button 17 so that the end of the lever arm 13 nearest the...

Страница 5: ... until liquid runs freely from the blow off valve Shut off and disconnect the supply of clean water and close the blow off and flushing valves Slowly open the inlet isolating valve The air release valve should exhaust air and then close tightly REPLACEMENT PARTS Genuine replacement parts are available from your local VAG GA Industries representative or from the factory VAG USA LLC 234 Clay Avenue ...

Страница 6: ... Ball 22 Cap Screw 23 Float Hood 24 Pipe Plug 25 1 Pipe Plug 26 2 Pipe Plug 27 Cage Bolt 28 Hex Nut 6 FIGURE 942 PARTS LIST 1 Body 2 Cover 3 Cage 4 Seat 5 Plug 6 Cover O ring 7 Cage O ring 8 Renewable Seat 9 Cover Bolt 10 Upper Plug Extension 11 Lower Plug Extension 12 Bushing 13 Lever Arm 14 Float Rod 15 Universal Coupling 16 Spring Pin 17 Orifice Seal 18 Lock Washer 19 Hex Nut 20 Lock Washer 21 ...

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