AVK DOUBLE ECCENTRIC BUTTERFLY VALVE, PN10/16

Integral seat, WRAS appr. sealing, IP67 gearbox, DN700-1200, plate disc, long, AISI 420 shaft

Double eccentric butterfly valve to EN 593 w. integral seat and IP67 gearbox w. handwheel for drinking water and neutral liquids to max. 70°C

AVK double eccentric butterfly valves are designed with tilted and fixated disc for extended service life and easy operation. The disc seal is made of AVK’s drinking water approved EPDM rubber featuring an excellent compression set and thus ability to regain its original shape. The GSK/WRAS approved epoxy coating and fully encapsulated shaft/disc connection ensure high durability. The valves are suitable for bi-directional application.                

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Variant 756/118-001
Connection: Flanged
Material: Ductile Iron
PN: PN 10/16
Closing direction: Clockwise to Close

Features

The tilted disc releases the compression of the disc sealing after a few degrees of opening, which extends the durability and gives low operating torques

The disc is fixated to prevent wear and fluttering

The disc seal profile and rubber quality ensure low closing torques

Seal retainer ring of stainless steel

The threaded bolt holes in the disc are corrosion protected with O-rings

Machined and epoxy coated ductile iron seat integrated in the body

Shaft of stainless steel with self-lubricating bearings

The shaft ends are fully encapsulated in the disc and are fixed with dowels corrosion protected with O-rings and a stainless steel security plate. Key and keyway as backup.

Replaceable shaft sealing with two EPDM O-rings on each side of a bronze bushing, and a flat NBR gasket

Optional locking device

Body and disc of ductile iron with fusion bonded epoxy to DIN 30677-2, GSK approved, RAL 5017, according to WRAS-DVGW/W270/UBA  

Downloads

Datasheet (PDF)
Certificate(s)
Related Datasheets
Outline drawings DWG
Outline drawings DXF
Outline drawings IGS
Outline drawings STEP
Price list

Components

1. Key Stainless steel A2
2. Valve shaft Stainless steel 420
3. Seal housing Bronze
4. O-ring EPDM
5. O-ring EPDM
6. Radial bearing PTFE coated steel
7. Disc cover Stainless steel
8. Disc cover gasket EPDM
9. O-ring EPDM
10. Dowel Stainless steel A2
11. O-ring EPDM
12. Plug Steel
13. Body Ductile Iron GJS-500-7
14. Disc Ductile Iron GJS-500-7
15. Security plate Stainless steel
16. Screw Stainless steel A2
17. O-ring EPDM
18. Spring Washer Stainless steel A2
19. Washer Zinc
20. O-ring EPDM
21. Nut Stainless steel A2
22. Washer Stainless steel A2
23. Screw Stainless steel A2
24. Screw Stainless steel A2
25. Thrust bearing Bronze
26. Screw Stainless steel A2
27. End plate Ductile Iron GJS-500-7
28. Gasket EPDM
29. Stub shaft Stainless steel 420
30. Safety key Stainless steel A2
31. Screw Stainless steel A2
32. Screw Stainless steel A2
33. O-ring EPDM
34. Bolt Stainless steel A2
35. Washer Stainless steel A2
36. O-ring EPDM
37. Seal retainer ring Steel
38. Disc Seal EPDM
39. Gearbox Cast iron

Test/Approvals

  • Hydraulic test according to EN 1074-1 and 2 / EN 12266.
  • Approved according to DIN-DVGW Certificate NW-6201BR0451
  • Approved according to WRAS Certificate No. 1111078

Standards

  • Designed according to EN 593
  • Face to face according to EN 558 Table 2 Basic Series 14
  • Standard flange drilling to EN1092 (ISO 7005-2), PN 10/16
  • WIMES 8.09 Compliant
  • Drinking Water Inspectorate Regulation 31 compliant
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