AVK ISOLATING CLEAR WAY SANDWICH GATE VALVE WITH BEVEL GEAR BOX
PN10/16
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Wafer pattern isolating valve complete with multi-turn bevel gear box, for use with hydrants / air valves in water or other neutral liquids. Temperature range -10°C to 70°C max. 10% solid matter. Insulation essential for temperatures of 0° C and below. Maximum working pressure: 16 bar.
The AVK Series 29/47-001 is a resilient seated, isolating, clear way, sandwich gate valve complete with multi-turn bevel gear box, PN16 flange drilling and ductile iron body and bonnet. The valve is ideal for use as a hydrant / air valve isolator or for isolating under pressure drilling applications benefitting in reduced drill stroke.
| Variant 29/47-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| PN: | PN 16 |
Features
- Clear way. Minimum bore dimension 80mm
- Multi-turn bevel gearbox (also see Series 758/10)
- WRAS approved materials for potable water
- Studded flanges to suit DN80 PN16 BS EN 1092-2 (ISO7005-2) flange connections
- Fully maintainable and corrosion resistant construction
- Ductile iron construction
- Ductile iron wedge, fully vulcanized with EPDM rubber
- O-ring stem seals replaceable under pressure
- Blue fusion bonded epoxy corrosion resistant coating applied externally and internally, minimum of 250µm.
- Bonnet and gland bolts sealed with hot melt
Components
| 1. | Body | Ductile Iron GJS-500-7 |
| 2. | Gasket | EPDM |
| 3. | Bonnet | Ductile Iron GJS-500-7 |
| 4. | Thrust collar | Brass CW724R |
| 5. | Bearing shell | PA |
| 6. | O-ring | NBR rubber |
| 7. | O-ring | NBR rubber |
| 8. | O-ring | NBR rubber |
| 9. | Bolt | Zinc plated steel |
| 10. | Wiper ring | NBR rubber |
| 11. | Actuator flange | Ductile Iron GJS-500-7 |
| 12. | Stem | Stainless steel 1.4021 |
| 13. | Key | Stainless steel |
| 14. | Wedge core | Ductile Iron GJS-500-7 |
| 15. | Wedge nut | Brass CW724R |
| 16. | Wedge rubber | EPDM |
| 17. | Wedge shoe | PA |
| 18. | Gearbox | Ductile iron |
| 19. | Stud | Zinc plated steel |
| 20. | Stud | Zinc plated steel |
| 21. | Washer | Zinc plated steel |
| 22. | Nut | Zinc plated steel |
| 23. | Washer | Zinc plated steel |
| 24. | Bolt | Zinc plated steel |
| 25. | Bolt | Zinc plated steel |
| 26. | Stem Cap | Ductile Iron GJS-500-7 |
| 27. | Bolt | Zinc plated steel |
Test/Approvals
- Hydraulic test according to EN 1074-1 / EN 12266
- Drinking Water Inspectorate Regulation 31 compliant
- Made in Great Britain
- WRAS approved Materials
Standards
- Designed according to BS EN 1074 -1 and 2
