AVK AIR RELIEF VALVE, PN16
SCF for Waste Water, DN50-DN200
Contact
AVK Australia Civil
559A Grand Junction Road Wingfield SA 5013 Sales and Technical enquiry
Air relief valve for waste water and neutral liquids to max., 70°C. Preferably used at pumping stations for sewage main lines exposed to water hammer, treatment plants, irrigation systems with solids/debris in the water.
AVK combination air valves guarantee a proper operation of sewage lines allowing filling and discharge of large volumes of air, both during draining and filling operations and release of air pockets during working conditions.
| Variant 861/40-001 | |
|---|---|
| Connection: | No connection type specified |
| Material: | Ductile Iron |
| PN: | PN16 |
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.
- Obiturator is in solid polypropylene in order to avoid deformations and prevent it to get stuck to the gasket
- Dranige valve for chamber control and draining
- 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
Components
| 1. | Body, lower | Ductile iron 450-10 |
| 2. | Body, upper | Ductile iron 450-10 |
| 3. | Cap | Ductile iron 450-10 |
| 4. | Float | Stainless steel 316 |
| 5. | Shaft | Stainless steel 316 |
| 6. | O-ring | NBR rubber |
| 7. | Sleeve | Stainless steel 303 |
| 8. | Gasket | NBR rubber |
| 9. | Bushing | Stainless steel 316 |
| 10. | Nozzle | Stainless steel 316 |
| 11. | Disc | Polypropylene |
| 12. | Gasket | NBR rubber |
| 13. | O-ring | NBR rubber |
| 14. | Seat | Stainless steel 304 |
| 15. | Stud | Stainless steel A2 |
| 16. | Nut | Stainless steel A2 |
| 17. | Washer | Stainless steel A2 |
| 18. | 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 part 1
- Flange drilling: EN1092-2