AVK DOUBLE ECCENTRIC BUTTERFLY VALVE, PN10/16
Integral seat, WRAS appr. sealing, ISO-input IP67 gearbox, DN700-1200, plate disc,long,AISI420 shaft
Mamoun Humayra
Water Product Manager
Double eccentric butterfly valve to EN 593 w. integral seat and ISO-input IP67 gearbox for drinking water and neutral liquids to max. 70°C
AVK double eccentric butterfly valves with tilted disc are designed for easy operation and long service life. The disc seal is made of AVK's drinking water approved EPDM rubber featuring an excellent compression set and ability to regain the original shape. The high quality epoxy coating and fully encapsulated shaft/disc connection ensure optimal corrosion protection and durability
| Variant 756/102-017 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN700 - DN1200 |
| PN: | PN 10/16 |
| Closing direction: | Clockwise to Close |
Features
- Double eccentric design releases seal compression after only few degrees of opening resulting in low operating torque
- Disc firmly fixed to the shaft to prevent fluttering and a slight tilt allows for precise adjustment of the closed position
- Disc seal profile and rubber quality ensure low closing torque
- All rubber parts drinking water approved by multiple institutes
- Fasteners in stainless steel, A2
- Stainless steel shaft
- Machined and epoxy coated ductile iron seat integrated in the body
- All threaded connections are sealed with O-rings for protection against medium and environment
- Radial bearings in self-lubricating PTFE/bronze composite
- Shaft ends fully encapsulated in the disc and fixed with O-ring sealed dowels held in place with a security plate. Key and keyway as backup
- Replaceable shaft seals with two EPDM O-rings; gaskets to the exterior in hydrocarbon resistant NBR
- Coated with blue RAL 5017 FBE to DIN 3476, GSK and approved by WRAS-DVGW/W270/UBA, 250µm
- Drinking water approved by DVGW and WRAS, drinking water approved by KIWA (DN≤800)
Downloads
Reference nos. and dimensions:
| Ref. no. | DN mm |
Flange drillling |
L mm |
L1 mm |
L2 mm |
H2 mm |
W1 mm |
W2 mm |
W3 mm |
W4 mm |
D1 mm |
A mm |
B mm |
C mm |
ISO Flange |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 756-0700-1-1400201 | 700 | PN16 | 430 | 127 | 133 | 550 | 455 | 725 | 533 | 543 | 20 | 342 | 600 | 297 | F10 | 538 |
| 756-0800-1-1400201 | 800 | PN16 | 470 | 156 | 162 | 620 | 513 | 795 | 627 | 636 | 20 | 342 | 670 | 317 | F10 | 697 |
| 756-0900-1-1400201 | 900 | PN16 | 510 | 186 | 192 | 690 | 563 | 835 | 722 | 730 | 20 | 313 | 740 | 369 | F10 | 885 |
| 756-1000-1-1400201 | 1000 | PN16 | 550 | 216 | 222 | 770 | 628 | 1041 | 816 | 824 | 20 | 469 | 837 | 306 | F10 | 1131 |
| 756-1200-1-1400201 | 1200 | PN16 | 630 | 269 | 275 | 855 | 743 | 1121 | 986 | 993 | 20 | 469 | 917 | 346 | F10 | 1745 |
Components
| 1. | Key | Stainless steel A2 |
| 2. | Valve shaft | Stainless steel 431 |
| 3. | Seal housing | Bronze |
| 4. | O-ring | EPDM |
| 5. | Radial bearing | Bronze/PTFE composite |
| 6. | Disc cover | Stainless steel |
| 7. | Disc cover gasket | EPDM |
| 8. | Dowel | Stainless steel A2 |
| 9. | Plug | Steel |
| 10. | Body | Ductile Iron GJS-500-7 |
| 11. | Disc | Ductile Iron GJS-500-7 |
| 12. | Security plate | Stainless steel |
| 13. | Screw | Stainless steel A2 |
| 14. | Spring Washer | Stainless steel A2 |
| 15. | Washer | Zinc |
| 16. | Nut | Stainless steel A2 |
| 17. | Screw | Stainless steel A2 |
| 18. | Thrust bearing | Bronze |
| 19. | End plate | Ductile Iron GJS-500-7 |
| 20. | Gasket | EPDM |
| 21. | Stub shaft | Stainless steel 431 |
| 22. | Safety key | Stainless steel A2 |
| 23. | Bolt | Stainless steel A2 |
| 24. | Washer | Stainless steel A2 |
| 25. | Seal retainer ring | Steel |
| 26. | Disc Seal | EPDM |
| 27. | Gearbox | Cast iron |
Test/Approvals
-
Hydraulic test according to EN 1074-1 / EN 12266
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
