AVK COMBINATION AIR VALVE with rapid filling preventer mechanism, PN 16
For wastewater, ductile cast iron
Contact
AVK Saudi Valves
Jeddah Industrial City, Phase 4, Street no 45 P.O. Box 10830, 21443 Jeddah 24/7 Leakage Repair Service +966 55 909 9395
Combination air valve
AVK combination air valves with rapid filling preventer mechanism guarantee proper operation and safety on pressurized sewage systems allowing release of air pockets under working conditions and inlet of large quantities of air, in case of pipe bursting or draining. The discharge is controlled by the rapid filling mechanism in order to prevent water hammer.
| Variant 861/42-001 | |
|---|---|
| Connection: | No connection type specified |
| Material: | Ductile iron |
| DN: | DN150 - DN200 |
| PN: | PN 16 |
Features
- Large lower body designed with sloped sides to avoid deposits of grease or other materials.
- Four ribs securing a trouble free operation of the float.
- Drainage valve for chamber control and draining
- Wear resistant nozzle and gasker holder due to the gasket compression control
- Upper body in stainless steel
- Easy maintenance through the top of the valve without removing it from the pipeline
- Mobile block and stainless steel AISI 316 float connected to the air system by a shaft
- RFP system made from two obturators in polypropylene. The upper obturator will automatically activate in case of excessive air outflow
Downloads
Datasheet
Reference nos. and dimensions:
Scroll for more info
| AVK ref. no. | DN mm |
Product PN Class |
L mm |
H3 mm |
Notes |
|---|---|---|---|---|---|
| 861-0050-42-0111 | 50/65 | PN16 | 340 | 680 | Equipped with 1 1/2" female connection bend |
| 861-0080-42-0111 | 80/100 | PN16 | 380 | 645 | |
| 861-0150-42-0111 | 150 | PN16 | 488 | 870 | |
| 861-0200-42-0111 | 200 | PN16 | 488 | 870 |
Enquiry
Scroll for more info
Components
| 1. | Body, lower | Ductile iron GJS-450-10 |
| 2. | Body, upper | Stainless steel 316 |
| 3. | Cap | Ductile iron GJS-450-10 |
| 4. | Float | Stainless steel 316 |
| 5. | Shaft | Stainless steel 316 |
| 6. | O-ring | NBR rubber |
| 7. | Sleeve | Stainless steel 303 |
| 8. | Nut | Stainless steel A2 |
| 9. | Gasket | NBR rubber |
| 10. | Bushing | Stainless steel 316 |
| 11. | Nozzle | Stainless steel 316 |
| 12. | Disc | Polypropylene |
| 13. | Disc | Polypropylene |
| 14. | Gasket | NBR rubber |
| 15. | Gasket | NBR rubber |
| 16. | O-ring | NBR rubber |
| 17. | Seat | Stainless steel 316 |
| 18. | Spacer | Stainless steel A2 |
| 19. | Stud | Stainless steel A2 |
| 20. | Nuts | Stainless steel A2 |
| 21. | Washer | Stainless steel A2 |
| 22. | Ball valve | Stainless steel 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
- Designed according to AWWA C512, Designed according to EN 1074 - 4
- Flange drilling to EN1092-2 (ISO 7005-2), PN10/16