AIR RELIEF VALVE, RAPID FILL PREVENTION, TBL. D, 16 BAR
Wastewater, A4 Delta Seal GZ fasteners, 300µm 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. Used in Main sewage lines, treatment plants, irrigation systems with solids/debris in the water.
AVK air relief, rapin fill prevention valves with latge oriface 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 air discharge is controlled by the rapid filling mechanism in order to prevent water hammer.
| Variant 861/43-002 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile iron |
| 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. Thereby securing that the wastewater do not come in contact with the air release system.
- RFP system made from two obturators in polypropylene. The upper obturator will automatically activate in case of excessive air outflow
- 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 0,09 - 16 bar differential pressure
Downloads
Datasheet
Components
| 1. | Body, lower | Ductile iron GJS-450-10 |
| 2. | Body, upper | Stainless steel AISI 316 |
| 3. | Cap | Ductile iron GJS-450-10 |
| 4. | Float | Stainless steel AISI 316 |
| 5. | Shaft | Stainless steel AISI 316 |
| 6. | O-ring | NBR rubber |
| 7. | Sleeve | Stainless steel AISI 316 |
| 8. | Nut | Stainless steel A4 |
| 9. | Gasket | NBR rubber |
| 10. | Bushing | Stainless steel AISI 316 |
| 11. | Nozzle | Stainless steel AISI 316 |
| 12. | Disc | Polypropylene |
| 13. | Disc | Polypropylene |
| 14. | Gasket | NBR rubber |
| 15. | Gasket | NBR rubber |
| 16. | O-ring | NBR rubber |
| 17. | Seat | Stainless steel AISI 316 |
| 18. | Spacer | Stainless steel A4 |
| 19. | Stud | Stainless steel A4 |
| 20. | Nuts | Stainless steel A4 |
| 21. | Washer | Stainless steel A4 |
| 22. | Ball valve | Stainless steel AISI 316 |
Test/Approvals
- ISO 9001 certified - SAI Global Quality
- ISO 14001 certified - SAI Global Environment
- ISO 45001 certified - SAI Global Certification
Standards
- Flange drilling to AS/NZS 4087 B5
