AVK AIR RELIEF VALVE, RAPID FILL PREVENTION, PN16
ARGO 3F RFP, Full Bore for Clean & Treated Water, EPDM, Glass Reinforced PP
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AVK Australia Civil
559A Grand Junction Road Wingfield SA 5013 Sales and Technical enquiry
Air relief valve for clean water and neutral liquids to max. 60°C
AVK air relief, rapid fill prevention valves with large orifice guarantees proper operation and safety on pressurised 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 861/81-001 | |
|---|---|
| Material: | PP |
| PN: | PN16 |
Features
- Single chamber body in glass reinforced polypropylene, PN16 rated
- Internal ribs for accurate guiding of the float
- The additional anti-surge obturator, will automatically adjust the outflow capacity, thus reducing the velocity of the incomming water column minimising the risk of waterhammer.
- Compact and reliable construction made from parts that are fully corrosion and chemical resistant.
- Low maintenance
- Easy maintenance can be performed from the top without removing the air valve from the pipe system
- Working conditions 0,2 - 16 bar differential pressure.
Downloads
Datasheet
Related Datasheets
Reference nos. and dimensions:
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| AVK ref. no. | BSPT thread Inch |
A mm |
B mm |
C mm |
Theoretical weight/kg |
|---|---|---|---|---|---|
| 861-0025-81-09 | 1 | 80 | 167 | 92 | 0.3 |
| 861-0050-81-09 | 2 | 110 | 226 | 135 | 0.8 |
Enquiry
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Components
| 1. | Body | PP, reinforced |
| 2. | Cap | PP, reinforced |
| 3. | Float | Polypropylene |
| 4. | Plug for airvalve | PA, reinforced |
| 5. | Orifice seal | EPDM rubber |
| 6. | Orifice seal | EPDM rubber |
| 7. | O-ring | EPDM rubber |
| 8. | Disc | Polypropylene |
| 9. | O-ring | EPDM rubber |
Standards
- Designed according to EN 1074 - 4