AVK COMBINATION AIR VALVE, PN 16
For wastewater, steel
Anthony Whittam
Network Water Specialist
Combination air valve for wastewater treatment to max. 60°C (temporarily up to 90°C)
AVK combination air valves are designed to combine large volume of air discharge/intake whilst filling/draining a pipeline with automatic discharge of air deliberated from the fluid. They feature an innovative design with a large air gap between liquid and sealing system. A spring between stem and float compensates for slight pressure changes and maintains the air gap ensuring reliable function even when used with aggressive liquids and liquids carrying solid particles.
Variant 701/70-010 | |
---|---|
Connection: | Flanged |
Material: | Steel |
DN: | DN50 - DN100 |
PN: | PN 16 |
Features
- Orifice sizes: Automatic 12 mm², kinetic 804 mm²
- The large air gap between liquid and sealing system ensures a reliable function even when used with aggressive liquids and liquids carrying solid particles
- The small orifice in the automatic valve releases small volumes of air when the line is under pressure
- The spring between the stem and upper float prevents unnecessary activation of the automatic function, as it compensates for slight pressure changes
- The float assembly of polycarbonate/acid-resistant stainless steel ensures high corrosion resistance.
- The conical body with funnel-shaped lower body allows maximum air volume within minimum valve length and prevents accumulation of deposits at the bottom
- The epoxy coated steel body features low weight
- Drainage and flushing from external clean water source is possible through the drain in the valve’s side
- An exhaust tube can be mounted to the quick connector at opening at the top of the valve
- With connection flange or 2” BSP thread
- Working pressure range: 0.05 – 16 bar
Downloads
Outline drawings
Price list
Installation, Operation & Maintenance
Related Datasheets
Guidelines
Datasheet
Outline drawings STEP
Reference nos. and dimensions:
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Ref. no. | DN mm |
Flange drillling |
Connection |
L mm |
H3 mm |
Theoretical weight/kg |
---|---|---|---|---|---|---|
701-050-70-11003 | 50 | PN10/16 | 50mm | 550 | 605 | 17 |
701-051-70-91003 | 50 | NONE | 2" BSP | 550 | 644 | 16 |
701-080-70-11003 | 80 | PN10/16 | 80mm | 550 | 605 | 18 |
701-080-70-490032 | 80 | PN16 | - | 15 | ||
701-100-70-11003 | 100 | PN10/16 | 100mm | 550 | 605 | 19 |
Enquiry
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Components
1. | Drain elbow | PP |
2. | Rolling seal | EPDM/PA/SS |
3. | Float | PP |
4. | Clamping stem | Reinforced PA |
5. | Body | Reinforced PA |
6. | Cover | Reinforced PA |
7. | O-ring | NBR rubber |
8. | O-ring | NBR rubber |
9. | Crown nut | Stainless steel |
10. | Base | Reinforced PA |
11. | Stopper | PP |
12. | Spring | Stainless steel 316 |
13. | Washer | Stainless steel 316 |
14. | Bolt and nut | Stainless steel 316 |
15. | Stem | Stainless steel 316 |
16. | Float assembly | PC / stainless steel |
17. | Stainless steel | |
18. | Body | Steel |
Test/Approvals
- Hydraulic test according to EN 1074-1 and 4 / EN 12266.
- Approved for wastewater
Standards
- Standard flange drilling to EN1092 (ISO 7005-2), PN 16