AVK FLANGED GATE VALVE OS&Y, AWWA C509, 250 PSI
With rising stem and handwheel, UL/FM approved, CTC
AVK UK
Gas & Water Sales
Flanged gate valve with rising stem OS&Y for fire protection applications to max. 70° C
AVK gate valves are designed with built-in safety in every detail. The wedge is fully vulcanized with AVK’s own drinking water approved EPDM rubber compound. It features an outstanding durability due to the ability of the rubber to regain its original shape, the double bonding vulcanization process and the sturdy wedge design. The triple safety stuffing box sealing system, the high strength stem and the thorough corrosion protection safeguard the unmatched reliability.
| Variant 45/56-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN80 - DN250 |
| PN: | PN 16 |
| Closing direction: | Clockwise to Close |
Features
Fixed, integral wedge nut prevents vibration and ensures durability
Fully EPDM rubber vulcanized wedge in ductile iron with guide rails, integrated wedge shoes and a large conical stem hole
Stem of copper alloy C36000 with wedge stop and rolled threads for high strength. DN 300 is of aluminium bronze.
Stuffing box for re-tightening with three main O-rings, and two NBR O-rings in a polyamide gland bushing
Round NBR bonnet gasket fixed in a recess
Countersunk and sealed bonnet bolts of acid-resistant stainless steel A4 up to DN 200 and of anti-friction coated steel 12.9 in DN 250-400, encircled by the bonnet gasket
Full bore
Low operating torque
Epoxy coating to DIN 30677-2 and AVK guidelines, RAL 3000. UV resistant coating on request.
Downloads
Reference nos. and dimensions:
| Ref. no. | DN mm |
Flange drillling |
L mm |
HC mm |
HO mm |
W1 mm |
W2 mm |
Turns to open |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|---|
| 45-080-56-01614020 | 80 | PN10/16 | 203 | 395 | 478 | 180 | 191 | 20 | 25 |
| 45-100-56-01614020 | 100 | PN10/16 | 229 | 473 | 575 | 254 | 229 | 21 | 39 |
| 45-150-56-01614020 | 150 | PN10/16 | 267 | 635 | 787 | 305 | 280 | 30 | 63 |
| 45-200-56-01614020 | 200 | PN16 | 292 | 787 | 991 | 356 | 343 | 35 | 97 |
| 45-250-56-016B4020 | 250 | PN16 | 330 | 935 | 1189 | 432 | 406 | 44 | 158 |
Components
| 1. | Stem nut | Brass CW724R |
| 2. | Handwheel | Cast iron |
| 3. | Thrust washer | Gunmetal bronze |
| 4. | Stud bolt | Stainless steel A4 |
| 5. | Yoke | Ductile iron |
| 6. | Gland follower | Ductile iron |
| 7. | Nut | Stainless steel A4 |
| 8. | Gland | PA |
| 9. | Washer | Stainless steel A4 |
| 10. | Stem seal O-ring | SBR rubber |
| 11. | O-ring | NBR rubber |
| 12. | O-ring | NBR rubber |
| 13. | Bushing | PA |
| 14. | Bonnet bolt seal | Hot melt glue |
| 15. | Bonnet | Ductile iron |
| 16. | Bonnet gasket | NBR rubber |
| 17. | Bonnet bolt | Stainless steel A4 |
| 18. | Stem | Copper alloy |
| 19. | Pin | Stainless steel A2 |
| 20. | Wedge nut | Brass CW626N |
| 21. | EPDM encaps. duct. iron | |
| 22. | Wedge | EPDM encaps. duct. iron |
| 23. | Body | Ductile Iron GJS-500-7 |
Test/Approvals
- Hydraulic tests according to FM and UL Standards.
-
Seat: 1.5 x PN (in Bar). Body: 2 x PN (in Bar). Closing torque test.
- FM Approved. UL listed.
Standards
- Designed according to AWWA C509, Designed according to FM 1120/1130, UL 262
- Face to face according to ANSI B16.10
- Standard flange drilling to EN1092 (ISO 7005-2), PN 10/16
