AVK ANTI-WATER HAMER COMBINATION AIR VALVE, ANTI-SLAM, PN16
SCA 2” for wastewater, A2 Delta Seal GZ fasteners, 250µm blue RAL5005 EP coating
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Chan Chee Leong
Senior Manager, Sales and Marketing
Air relief valve for wastewater and neutral liquids to max. 70°C
AVK anti-water hammer combination air valves guarantee the proper operation of sewage lines allowing the entrance of a large quantity of air in case of pipe burst or draining, the release of air pockets during working conditions and the discharge during pipe filling.
| Variant 861/51-001 | |
|---|---|
| Connection: | No connection type specified |
| Material: | Ductile iron |
| DN: | DN50 |
| PN: | PN 16 |
Features
- Lower body designed with strongly slopped high walls to avoid grease and/or other material deposit, and it contains four ribs to guide the stainless steel float
- Upper body contains the AS and the air release mechanism which is protected against water hammer effect, during rapid filling phases, by a stainless steel deflector
- Mobile block including a large AISI 316 stainless steel float placed on the lower body and connected through a stainless steel rod to the air release mechanism
- Anti-shock automatism composed of a metallic disc with two or more small orifices, a guide bar and a counteracting spring in stainless steel
- Drainage valve for chamber control and draining
- Maintenance can be easily performed from the top without removing the air valve from the pipe
- Evacuation bend suitable for flooded environments with 1" threaded outlet
- Working pressure 0,2 - 16 bar differential pressure
Downloads
Datasheet
Reference nos. and dimensions:
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| Reference no. | Gross Price MYR |
DN mm |
Flange drilling |
Connection |
L mm |
H3 mm |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|
| 861-0050-51-0911 | 6,578 | 50 | 2" Threaded | 150 | 390 | 11 |
Enquiry
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Components
| 1. | Body, lower | Ductile iron GJS-450-10 |
| 2. | Body, upper | Ductile iron GJS-450-10 |
| 3. | O-ring | NBR rubber |
| 4. | Cap | PVC |
| 5. | Disc | Stainless steel AISI 316 |
| 6. | Seat | Stainless steel AISI 316 |
| 7. | O-ring | NBR rubber |
| 8. | Gasket | NBR rubber |
| 9. | Obturator | Polypropylene |
| 10. | Nozzle | Stainless steel AISI 316 |
| 11. | Gasket | NBR rubber |
| 12. | Sleeve | Polypropylene |
| 13. | Plate | Stainless steel AISI 316 |
| 14. | Nut | Stainless steel A2 |
| 15. | Sleeve | Stainless steel AISI 316 |
| 16. | Float | Stainless steel AISI 316 |
| 17. | Screw | Stainless steel A2 |
| 18. | Drain valve | Stainless steel AISI 316 |
| 19. | Shaft | Stainless steel AISI 316 |
| 20. | Spring | Stainless steel AISI 302 |
| 21. | Disc | Stainless steel AISI 316 |
Test/Approvals
- Hydraulic test according to EN 1074-1 and 4 / EN 12266, Hydraulic test according to EN 1074-1 and 4 / EN 12266
- Approved according to EN 1074-1 and 4
- Approved for wastewater
Standards
- EN 1074 part 1
- Flange drilling to EN1092, PN10/16