AVK BALL CHECK VALVE, MJ/THREAD
BSP thread, NBR lined ball, 150/250µm EP RAL 5017 coating, SS bolts w. anti-seize coated nuts
Ball check valve for water and neutral liquids to max. 70°C
AVK ball check valves are self-cleaning and with full bore. The ball rotates during operation eliminating the risk of impurities getting stuck on the ball. The full and smooth bore ensures full flow with low pressure loss and eliminates the risk of deposits at the bottom. AVK ball check valves are available with flanges and internal threads. They are delivered with NBR lined ball as standard and optionally with ball of polyurethane available in different weights.| Variant 53/30-005 | |
|---|---|
| Connection: | Internal Thread |
| Material: | Ductile iron |
| DN: | DN32 - DN50 |
| PN: | PN 10 |
Features
- Self-cleaning construction, where the ball rotates during operation eliminating the risk of impurities getting stuck on the ball
- Full bore ensures low pressure loss and minimum back pressure
- Smooth bore eliminates the risk of deposits at the bottom
- Ball of aluminium vulcanized with NBR rubber. The rubber hardness is optimised to prevent the ball from getting stuck in the seat.
- The ball is optionally available in polyurethane suitable for abrasive media and if different ball weights are necessary to prevent vibration and water hammer
- Compact design and low weight
- Bolts and nuts of stainless steel and body and cover of ductile iron with epoxy coating internally and externally,
Reference nos. and dimensions:
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| AVK ref. no. | DN mm |
Thread internal |
PN Class |
L mm |
H mm |
H3 mm |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|
| 53-032-30-9007 | 32 | 1¼" | PN10 | 140 | 83 | 118 | 2.0 |
| 53-040-30-9007 | 40 | 1½" | PN10 | 140 | 83 | 118 | 2.0 |
| 53-050-30-9007 | 50 | 2" | PN10 | 180 | 101 | 144 | 3.0 |
Enquiry
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Components
| 1. | Cover | Ductile iron GJS-500-7 |
| 2. | Washer | Stainless steel A2 |
| 3. | Bolt | Stainless steel A2 |
| 4. | Nut | Stainless steel A4 |
| 5. | Gasket | NBR rubber |
| 6. | Body | Ductile iron GJS-500-7 |
| 7. | Ball | Steel with NBR-liner |
Test/Approvals
- Hydraulic test according to EN12050-4
- Hydraulic test according to EN12050-4
- Approved according to 60143502, TÜV-Mark
- ISO 45001 certified - SAI Global Certification
- ISO 14001 certified - SAI Global Environment
- ISO 9001 certified - SAI Global Quality
Standards
- AS4794, EN 12050-4
