AVK CENTRIC U-SECTION BUTTERFLY VALVE, PN 10
Loose EPDM liner for high temperature, with bare shaft
Mamoun Humayra
Water Product Manager
Centric butterfly valve with loose liner for wastewater treatment and HVAC to max. 110° C
AVK centric butterfly valves with loose liner are available in wafer, lug and U-section design with a wide standard range of actuators. The butterfly valves are designed with square driven anti-blowout shaft and slim disc of acid-resistant stainless steel with machined and polished disc edges resulting in low torques.
| Variant 820/20-024 | |
|---|---|
| PN: | PN 10/16 |
| Closing direction: | Clockwise to Close |
Features
Ductile iron with long neck for insulation
Loose liner of EPDM for high temperatures with integrated gasket faces and “saw profile” for optimum grip in body
Square driven anti-blowout shaft in one-piece design up to DN 400, and from DN 450 with key and keyway in two-piece stub design with two self-lubricating bearings
Slim disc of acid-resistant stainless steel with machined and polished edges reducing the friction between liner and disc
Low operating torques allowing use of cost-effective actuators
100 μ epoxy coating up to DN 400, 100 μ polyurethane from DN 450, optionally other coatings
According to PED 97/23/EC appendix 1
Downloads
| AVK_Centric_butterfly_valve.mp4 |
Components
| 1. | Bolt | Stainless steel A2 |
| 2. | Washer | Stainless steel A2 |
| 3. | O-ring | NBR rubber |
| 4. | Shaft | Stainless steel 420 |
| 5. | Body | Ductile iron GJS-400-15 |
| 6. | Liner | EPDM, high temp. |
| 7. | Disc | Stainless steel 316 |
Test/Approvals
- Hydraulic test according to EN 12266-1, P10/P12
- Approved for wastewater / pressure test EN12266-1
Standards
- Designed according to EN 593
- Standard flange drilling to EN1092 (ISO 7005-2), PN 10/16
- WIMES 8.09 Compliant
- Drinking Water Inspectorate Regulation 31 compliant
