AVK AIR RELIEF VALVE, RAPID FILL PREVENTION, PN10/16, 16 BAR
SCF-RFP 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. 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 861/42-001 | |
|---|---|
| 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. 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
Reference nos. and dimensions:
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| Reference no. | Gross Price MYR |
DN mm |
PN Class |
L mm |
H3 mm |
Notes |
|---|---|---|---|---|---|---|
| 861-0050-42-0111 | 14,675 | 50/65 | PN16 | 340 | 680 | Equipped with 1 1/2" female connection bend |
| 861-0080-42-0111 | 16,509 | 80/100 | PN16 | 380 | 645 | |
| 861-0150-42-0111 | 30,659 | 150 | PN16 | 488 | 870 | |
| 861-0200-42-0111 | 33,017 | 200 | PN16 | 488 | 870 |
Enquiry
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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 303 |
| 8. | Nut | Stainless steel A2 |
| 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 A2 |
| 19. | Stud | Stainless steel A2 |
| 20. | Nuts | Stainless steel A2 |
| 21. | Washer | Stainless steel A2 |
| 22. | Ball valve | 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
- AWWA C512, EN 1074-4
- Flange drilling to EN1092, PN10/16