AVK COMBINATION AIR VALVE, PN 10
For wastewater, reinforced nylon, compact design
Short combination air valve for wastewater treatment to max. 60°C (temporarily up to 90°C)
Description
Key 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 large orifice in the automatic valve releases large volumes of air when the line is under pressure
- The spring between the stem and upper float compensates for slight pressure changes
- The lower float system with float of foamed polypropylene and stem and spring of 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 body of reinforced nylon 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 in the 1 1/2″ threaded opening on the top of the valve
- With connection flange or 2”-3” BSP thread
- Working pressure range: 0.05 – 10 bar
- Chambered option available
Information
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. Chambered option available.
Variant 701/75-010 | |
---|---|
Connection: | External BSP Thread |
DN: | DN50 – DN100 |
PN: | PN 10 |
1. | Drain elbow | PP |
2. | Rolling seal | EPDM/PA/SS |
3. | Float | Foamed PP |
4. | Clamping stem | Reinforced PA |
5. | Body | Reinforced PA |
6. | Crown nut | Stainless steel 316 |
7. | O-ring | NBR |
8. | Stopper | PP |
9. | Spring | Stainless steel 316 |
10. | Washer | Stainless steel 316 |
11. | Stem | Stainless steel 316 |
12. | Body | Reinforced PA |
13. | Clamp | Stainless steel 316 |
14. | O-ring | NBR |
15. | Float | PP |
16. | Stainless steel | |
17. | Washer | Stainless steel 316 |
18. | Base | Reinforced PA |
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 10
Additional information
Reference No. | 701-050-75-09001, 701-051-75-09001, 701-080-75-09001, 701-081-75-09001, 701-100-75-09001 |
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Brand | AVK |
Reference Nos. and Dimensions
Reference Number | DN
mm |
Connection | L
mm |
H3
mm |
Theoretical
Weight kg |
701-050-75-09001 | 50 | 50mm | 258 | 460 | 4.2 |
701-051-75-09001 | 50 | 2″ BSP | 258 | 455 | 3.7 |
701-080-75-09001 | 80 | 80mm | 258 | 460 | 4.3 |
701-081-75-09001 | 80 | 3″ BSP | 258 | 455 | 3.8 |
701-100-75-09001 | 100 | 100mm | 262 | 460 | 6.0 |
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