AVK AIR RELIEF VALVE, ANTI-SLAM, PN10/16, 16 BAR
SCF-AS for waste water, 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 waste water and neutral liquids to max., 70°C. Preferably used at pumping stations for sewage main lines exposed for water hammer, treatment plants, irrigation systems with solids/debris in the water.
AVK anti-water hammer combination air valve guarantee a proper operation of pressurized sewage systems and allowing release of air pockets under working conditions, entrance of large quantities of air in case of pipe bursting or draning operations and a controlled air outflow speed to minimize the risk of water hammer.
| Variant 861/41-001 | |
|---|---|
| Connection: | No connection type specified |
| Material: | Ductile iron |
| DN: | DN150 - DN200 |
| PN: | PN 16 |
Features
- Large lower body designed with sloped sides to avoid deposit of grease or other materials
- Four ribs securing a trouble free operation of the float
- Air release system protected by a cap during rapid filling
- Mobile block and stainless steel AISi 316 float connected to the air release system by a shaft. Thereby securing that the wastewater do not come in contact with the air release system.
- Drainage valve for chamber control and draining
- Anti Shock system made from a stainless steel disc and 2 adjustable orifaces, guide bar and counter spring in stainless steel
- Wear resistant nozzle and gasket holder due to the gasket compression control
- Easy maintenance through the top of the valve without removing it from the pipeline
- DN 50/65 supplied with a 1 1/2" female elbow connection for air transfer by further piping, to avoid contaminated water entering the pipeline in case of flooding.
- Working conditions 0,2 - 16 bar, differential pressure.
Downloads
Datasheet
Reference nos. and dimensions:
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| Reference no. | Gross Price MYR |
DN mm |
PN Class |
L mm |
H3 mm |
Theoretical weight/kg |
Notes |
|---|---|---|---|---|---|---|---|
| 861-0050-41-0111 | 9,696 | 50/65 | PN16 | 340 | 650 | 29 | Equipped with 1 1/2" female connection bend |
| 861-0080-41-0111 | 11,923 | 80/100 | PN16 | 380 | 600 | 40 | |
| 861-0150-41-0111 | 23,414 | 150 | PN16 | 488 | 850 | 78 | |
| 861-0200-41-0111 | 25,549 | 200 | PN16 | 488 | 850 | 82 |
Enquiry
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Components
| 1. | Body, lower | Ductile iron GJS-450-10 |
| 2. | Body, upper | Ductile iron GJS-450-10 |
| 3. | Cap | Ductile iron GJS-450-10 |
| 4. | Float | Stainless steel AISI 316 |
| 5. | O-ring | NBR rubber |
| 6. | Sleeve | Stainless steel AISI 303 |
| 7. | Gasket | NBR rubber |
| 8. | Bushing | Stainless steel AISI 316 |
| 9. | Nozzle | Stainless steel AISI 316 |
| 10. | Disc | Polypropylene |
| 11. | Gasket | NBR rubber |
| 12. | Seat | Stainless steel AISI 304 |
| 13. | O-ring | NBR rubber |
| 14. | Studs | Stainless steel A2 |
| 15. | Nuts | Stainless steel A2 |
| 16. | Washer | Stainless steel A2 |
| 17. | Spacer | Stainless steel A2 |
| 18. | Ball valve | Stainless steel AISI 316 |
| 19. | Guide bush | Stainless steel AISI 303 |
| 20. | Spring | Stainless steel AISI 302 |
| 21. | Shaft | Stainless steel AISI 303 |
| 22. | Disc | Stainless steel AISI 304 |
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
- AWWA C512, EN 1074-4
- Flange drilling to EN1092, PN10/16