AVK DOUBLE ECC. BUTTERFLY VALVE, LONG, PN16
IP67 gearbox w. handwheel/pos. ind., SS seal ring/SS-4057 shaft, intgr. seat, A2 fasteners, 300µm EP coating
Contact
AVK Saudi Valves
Jeddah Industrial City, Phase 4, Street no 45 P.O. Box 10830, 21443 Jeddah 24/7 Leakage Repair Service +966 55 909 9395
Double eccentric butterfly valve to EN 593 for neutral liquids like drinking water and treated waste water free from solids and fibrous impurities 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. The valves are suitable for bi-directional application.
| Variant 756/118-027 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile iron |
| DN: | DN700 - DN1200 |
| PN: | PN 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 and seal retainer ring
- 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
- Coated with blue RAL 5017 FBE to DIN 3476,approved by WRAS, 300µm
Downloads
Reference nos. and dimensions:
| AVK ref. no. | DN mm |
Flange drilling |
D mm |
L mm |
L1 mm |
L2 mm |
H2 mm |
W1 mm |
W2 mm |
W3 mm |
W4 mm |
W5 mm |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 756-0700-1-14318 | 700 | PN16 | 700 | 430 | 124 | 130 | 565 | 455 | 652 | 527 | 537 | 517 | 517 |
| 756-0800-1-14318 | 800 | PN16 | 700 | 470 | 155 | 161 | 635 | 513 | 722 | 626 | 635 | 517 | 736 |
| 756-0900-1-14318 | 900 | PN16 | 700 | 510 | 185 | 191 | 705 | 563 | 829 | 721 | 729 | 570 | 941 |
| 756-1000-1-14318 | 1000 | PN16 | 600 | 550 | 215 | 221 | 785 | 628 | 909 | 814 | 822 | 570 | 1113 |
| 756-1200-1-14318 | 1200 | PN16 | 700 | 630 | 268 | 274 | 874 | 743 | 1013 | 985 | 993 | 591 | 1678 |
Components
| 1. | Key | Stainless steel A2 |
| 2. | Seal housing | Bronze |
| 3. | Drive shaft | Stainless steel 431 |
| 4. | Radial bearing | Bronze / PTFE composite |
| 5. | Disc cover | Stainless steel |
| 6. | Pin | Stainless steel 1.4021 (420) |
| 7. | Body | Ductile iron GJS-500-7 (GGG-50) |
| 8. | Disc | Ductile iron GJS-500-7 (GGG-50) |
| 9. | Security plate | Stainless steel |
| 10. | O-ring | EPDM rubber |
| 11. | Bolt | Stainless steel A2 |
| 12. | Seal retainer ring | Stainless steel 1.4021/1.4301 |
| 13. | Disc seal | EPDM rubber |
| 14. | Stub shaft | Stainless steel 431 |
| 15. | Safety key | Stainless steel |
| 16. | Screw | Stainless steel A2 |
| 17. | Thrust bearing | Bronze |
| 18. | End plate | Ductile iron GJS-500-7 (GGG-50) |
| 19. | Gearbox | Cast iron |
Test/Approvals
- Hydraulic test according to EN 1074-1 and 2 / EN 12266
- Approved by SASO
Standards
- EN 593
- Face to face according to EN 558 Table 2 Basic Series 14
- Standard flange drilling to EN1092-2 (ISO 7005-2), PN 16
