Vag GA INDUSTRIES 905 Installation, Operation And Maintenance Manual Download Page 10

 

 

 

REASSEMBLY 

Reassembly  is  performed  in  reverse  order  from 
disassembly.    Clean  all  parts  especially  the 
threaded,  seating  and  sealing  surfaces  before 
reassembling  valve.    Worn  or  damaged  parts 
should be replaced.  
 
Carefully introduce pressure and check for leaks  
 

REPAIR KITS 

Soft Goods Repair Kits are available and include 
Items 3 and 9.  Order by kit number or part 
number: 
½” to 1” Kit A930 Part Number 2-80-11000-011 
2

” Kit A930-2 Part Number 2-80-11000-014 

3

” Kit A930-3 Part Number 2-80-11000-015 

4

” Kit A930-4 Part Number 2-80-11000-016 

 
Other parts are ordered individually. 
 
 

PARTS LIST 

½” to 4” Figure 930 

Item 

Name 

Standard Material 

 

1. 

Body 

Cast Iron 

2. 

Cover 

Cast Iron 

3.  

Seat 

Buna-N Rubber  

4. 

Cover Bolts  Steel, Zinc Plated 

5. 

Float Ball 

316 Stainless Steel 

6. 

Pipe Plug 

Malleable Iron 

7. 

Cover Nuts  Steel, Zinc Plated 

8. 

Float Guide  ½

” – 3” UHMW Polyethylene 

 

 

4

” – Stainless Steel   

9. 

Cushion 

Buna-N Rubber 

10. 

Bearing 

Acetal Polymer 

11. 

Pipe Nipple  Brass 

12. 

Flange 

Cast Iron 

 

 

 

 

Figure 1 Standard NPT Inlet 

(Parts 11 & 12 Only on Optional Flanged Inlet) 

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]

 

 
Please have the nameplate data available when 
ordering parts. 
 

WARRANTY 

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

https://gaindustries.com/terms

  

 
 
 
 

VAG USA, LLC 

234 Clay Avenue 

• Mars, PA 16046 USA 

Phone: 724-776-1020 

 Fax: 724-776-1020 

[email protected]

  

• 

www.gaindustries.com

 

 
 
 
 
 
 

 

Figure 2 

Flanged Inlet 

Summary of Contents for GA INDUSTRIES 905

Page 1: ...ombination Air Valves with Surge Check Instructions SECTION 2 Figure 930 Air Vacuum Valve Instructions SECTION 3 Figure 905 Air Release Valve Instructions SECTION 4 Figure F284 D Surge Check Instructi...

Page 2: ...Section 1...

Page 3: ...escription of Operation 1 Receiving Storage 1 Installation 1 Start Up 2 Preventative Maintenance 2 Testing 2 Trouble Shooting 2 Repair Instructions 2 Replacement Parts 2 Warranty 2 Assembly Drawing Co...

Page 4: ...all valves to the ground without dropping Valves should remain in a clean dry and weather protected area until installed After completion of shop testing the valve is drained of the test water but a...

Page 5: ...lowly open the isolating valve 6 The Figure 930 float should rise and seal tightly while the Figure 905 may continue to release air for a while then close tightly TROUBLESHOOTING SYMPTOM or PROBLEM SO...

Page 6: ...Section 2...

Page 7: ...NUAL Figures 930 T 930 DT 930 UT to 4 Air Vacuum Valves for Clean Water Drawings EAV 7051 EAV 7052 EAV 7053 234 Clay Avenue Mars PA 16046 USA Telephone 724 776 1020 Fax 724 776 1254 E mail info ga vag...

Page 8: ...ll valves to the ground without dropping Do not pick up the valve by the cowl The valves should remain in a clean dry and weather protected area until installed For long term storage greater than 6 mo...

Page 9: ...d to verify there is no fluid leakage TESTING Valve operation can be easily tested Close the inlet isolation valve and remove or loosen the pipe plug nearest the inlet to drain the water from the valv...

Page 10: ...ated 5 Float Ball 316 Stainless Steel 6 Pipe Plug Malleable Iron 7 Cover Nuts Steel Zinc Plated 8 Float Guide 3 UHMW Polyethylene 4 Stainless Steel 9 Cushion Buna N Rubber 10 Bearing Acetal Polymer 11...

Page 11: ...Section 3...

Page 12: ...ION OPERATION AND MAINTENANCE MANUAL Figure 905 1 Air Release Valves Drawing EAV 7010 234 Clay Avenue Mars PA 16046 USA Telephone 724 776 1020 Fax 724 776 1254 E mail info ga vag group com 905 IOM 022...

Page 13: ...level rises lifting the float and re closing the valve This sequence occurs as often as necessary to release air that has collected in the valve RECEIVING AND STORAGE Inspect the valve upon receipt f...

Page 14: ...is not preventing the float from freely falling when fluid is drained from valve Verify linkage mechanism operates freely without binding or sticking Verify pressure at valve inlet does not exceed ma...

Page 15: ...x 724 776 1254 E mail quotes ga vag group com Please have the nameplate data available when ordering parts REPAIR KITS Soft Goods Kit A905 Part Number 2 80 11000 002 includes items 3 and 7 Linkage Kit...

Page 16: ...Section 4...

Page 17: ...ALLATION OPERATION AND MAINTENANCE MANUAL Figure F284 D Anti Slam Surge Check Valves 234 Clay Avenue Mars PA 16046 USA Telephone 724 776 1020 Fax 724 776 1254 E mail info ga vag group com IOM F284D 07...

Page 18: ...uld remain in a clean dry and weather protected area until installed For long term storage greater than 6 months the rubber surfaces of the seat should be coated with a non toxic lubricant such as Sup...

Page 19: ...cks or 2 x 4 s under the flange outboard of the bronze seat so that it can drop out of the body Ensure the surface beneath the valve will not damage the internal components when they drop out of the v...

Page 20: ...eplate data available when ordering parts WARRANTY The Warranty for GA Industries valves is included in our Terms and Conditions which can be found here https gaindustries com terms Anti Slam Surge Ch...

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