AVK DOUBLE ECCENTRIC BUTTERFLY VALVE, PN10/16
Integral seat, IP67 gearbox, plate disc, long, AISI 420 shaft, DN150-600
Mamoun Humayra
Water Product Manager
Double eccentric butterfly valve to EN 593 w. integral seat and IP67 gearbox w. handwheel for drinking water and neutral liquids to max. 70°C
AVK double eccentric butterfly valves are designed with tilted and fixated disc for extended service life and easy operation. The disc seal is made of AVK’s drinking water approved EPDM rubber featuring an excellent compression set and thus ability to regain its original shape. The GSK approved epoxy coating and the corrosion protected shaft end zones ensure high durability. The valves are suitable for bi-directional application.
| Variant 756/118-005 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| PN: | PN 10/16 |
| Closing direction: | Clockwise to Close |
Features
- The tilted disc releases the compression of the disc sealing after a few degrees of opening, which extends the durability and gives low operating torque
- Disc fixated to prevent wear and fluttering
- Disc seal profile and rubber quality ensure low closing torque
- All rubber parts drinking water approved by multiple institutes
- Seal retainer ring of epoxy coated steel
- All threaded bolt holes in disc corrosion protected with O-rings
- Machined and epoxy coated ductile iron seat integrated in the body
- Shaft of stainless steel with self-lubricating bearings
- Shaft ends corrosion protected with a stainless steel security plate and a gasket
- Replaceable O-ring shaft seal
- Body and disc of ductile iron with epoxy coating to DIN 30677-2, GSK approved, RAL 5017
Downloads
Components
| 1. | Gearbox | Cast iron |
| 2. | Body | Ductile Iron GJS-500-7 |
| 3. | Drive shaft | Stainless steel 420 |
| 4. | Bearing | Bronze/PTFE composite |
| 5. | Cover | Stainless steel |
| 6. | Set screw | Stainless steel A2 |
| 7. | End cover | Stainless steel |
| 8. | Disc | Ductile Iron GJS-500-7 |
| 9. | Screw | Stainless steel A2 |
| 10. | Key | Stainless steel A2 |
| 11. | Screw | Stainless steel A2 |
| 12. | Stub shaft | Stainless steel 420 |
| 13. | End plate | Ductile Iron GJS-500-7 |
| 14. | Nut | Stainless steel A2 |
| 15. | Gasket | EPDM |
| 16. | Spacer | Bronze |
| 17. | Screw | Stainless steel A2 |
| 18. | Thrust bearing | Bronze |
| 19. | Screw | Stainless steel A2 |
| 20. | Washer | Stainless steel A2 |
| 21. | Bolt | Stainless steel A2 |
| 22. | O-ring | EPDM |
| 23. | Screw | Stainless steel A2 |
| 24. | Seal retainer ring | Steel |
| 25. | Seal ring | EPDM |
Test/Approvals
-
Hydraulic test according to EN 1074-1 / EN 12266
- Approved according to KIWA Certificate K 6320
- Approved according to WRAS Certificate No. 1111078
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
