AVK SINGLE DOOR SWING CHECK VALVE, METAL SEATED, PN16
SS hinge pin, gunmetal seat, free shaft left side with cover, DN700-1000
Contact
AVK International A/S
Bizonvej 1, Skovby, 8464 Galten, Denmark
Single door swing check valve for drinking water, waste water and neutral liquids to max. 70° C
AVK series 641 swing check valves are designed to automatically prevent flow reversal and serve as backflow preventers in potable water or backwater valves in waste water applications. The free shaft swing check valves are quick acting and require very little forward pressure to open. Optionally a lever with a weight can be fitted to the disc shaft.
| Variant 641/01-007 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN700 - DN1000 |
| PN: | PN16 |
Features
- Low forward pressure loss
- Suitable for both drinking water and waste water
- Fully automatic operation
- Removable cover on top of valve body to facilitate internal inspection of bearings and movement of door
- Bypass valve can be added to aid priming of pumps
- Body, cover, lifter, disc and gland flange of ductile iron with two pack epoxy dark blue externally and light blue internally according to WRAS
Downloads
Datasheet
Tender Text
Reference nos. and dimensions:
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| AVK ref. no. | DN mm |
L mm |
H1 mm |
H2 mm |
W mm |
W1 mm |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|
| 641-0700-01-120000 | 700 | 1200 | 520 | 1250 | 1263 | 355 | 1571 |
| 641-0800-01-120000 | 800 | 1400 | 610 | 1423 | 1375 | 400 | 1923 |
| 641-0900-01-120000 | 900 | 1400 | 610 | 1423 | 1375 | 400 | 1958 |
| 641-1000-01-120000 | 1000 | 1750 | 725 | 1741 | 1640 | 400 | 3836 |
Enquiry
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Components
| 1. | Bolt | Steel gr. 8.8, hot dip galvanized |
| 2. | Washer | Steel gr. 8.8, hot dip galvanized |
| 3. | Nut | Steel gr. 8.8, hot dip galvanized |
| 4. | Body | Ductile iron GJS-500-7 (GGG-50) |
| 5. | Cover | Ductile iron GJS-500-7 (GGG-50) |
| 6. | Bushing | Alu-bronze CW307G |
| 7. | Hinge pin | Stainless steel 1.4057 |
| 8. | Collar | Alu-bronze CW307G |
| 9. | Lifter plate | Stainless steel 1.4401 |
| 10. | Split pin | Stainless steel A4 |
| 11. | O-cord | EPDM rubber |
| 12. | Packing | PTFE |
| 13. | Gland | Alu-bronze CW307G |
| 14. | Cover | PA 6.6 |
| 15. | Gland | PA 6.6 |
| 16. | Gland flange | Ductile iron GJS-500-7 (GGG-50) |
| 17. | Air plug | Stainless steel |
| 18. | Seat ring | Bronze CC491K (RG5) |
| 19. | Lifter | Ductile iron GJS-500-7 (GGG-50) |
| 20. | Disc | Ductile iron GJS-500-7 (GGG-50) |
| 21. | Face ring | Bronze CC491K (RG5) |
Test/Approvals
- Seat: 1.1 x PN. Body: 1.5 x PN.
Standards
- Designed according to manufacturer's standard
- Standard flange drilling to EN1092-2 (ISO 7005-2), PN16