AVK GATE VALVE, FLANGED, PN10/16

EN std., face-face EN558/3, bosses for by-pass, stem cap/handwheel kit, SS stem, A2 bolts, GSK coating

CHAN

Contact

Chan Chee Leong

Senior Manager, Sales and Marketing

Flanged gate valve to EN std. for water and other neutral liquids 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, featuring an outstanding durability due to the ability of the rubber to regain its original shape combined with a double bonding vulcanization process and a sturdy wedge design. A triple stem sealing system, SS stem and the thorough corrosion protection safeguard the unmatched reliability.
Variant 55/66-004
Connection: Flanged
Material: Ductile iron
DN: DN450 - DN600
PN: PN 16
Closing direction: Clockwise to Close

Features

  • Wedge nut firmly fixed in the wedge as an integral part to prevent vibration
  • Wedge fully vulcanized in drinking water approved EPDM and fitted with wedge shoes that protect the rubber and provide low operating torque
  • Stem in stainless steel and brass wedge nut for high corrosion resistance
  • A large conical stem hole in the wedge prevents stagnant water from accumulating inside the valve
  • Three independent stem seals: outermost a wiper ring protects against the environment, backed up by the two O-rings surrounding the radial bearing and innermost the main hydraulic seal to the flow consists of one or two O-rings
  • Thrust bearing consisting of stainless steel discs coated with a low friction, self-lubricating bronze-PTFE composite
  • Round bonnet gasket fixed in a recess to avoid blow out
  • Counterbored A2-70 stainless steel bonnet bolts encircled by the bonnet gasket and sealed with hot-melt glue
  • ISO actuator flange; electric actuator or gearbox is recommended
  • Coating in 250 µm blue RAL 5017 fusion bonded epoxy (FBE) to GSK and DIN 3476
  • Installation with horizontal or vertical stem
  • Bosses for by-pass
  • Stem cap/handwheel kit
  • Removable gland flange for replacement of thrust- and radial bearings and seals under pressure

Downloads

Datasheet

Reference nos. and dimensions:

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Reference no. Gross Price
MYR
DN
mm
Flange
drilling
L
mm
D
mm
W
mm
W1
mm
H
mm
H3
mm
Theoretical
weight/kg
55-450-66-004640C price on request 450 PN10 432 500 791 396 1104 1481 459
55-450-66-014640C price on request 450 PN16 432 500 791 396 1104 1494 505
55-500-66-004640C price on request 500 PN10 457 500 806 411 1129 1534 476
55-500-66-014640C price on request 500 PN16 457 500 847 431 1129 1556 540
55-600-66-004640C price on request 600 PN10 508 640 926 461 1266 1735 674
55-600-66-014640C price on request 600 PN16 508 640 966 491 1280 1779 773
Enquiry
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Components

1. Body Ductile iron GJS-500-7 (GGG-50)
2. Washer Stainless steel A2-70
3. Bolt Stainless steel A2-70
4. Clip for wedge Brass CW612N
5. Blind plate Ductile iron GJS-500-7 (GGG-50)
6. Wedge shoe PA 6.6
7. Wedge rubber EPDM rubber
8. Wedge core Ductile iron GJS-500-7 (GGG-50)
9. Wedge nut Brass CW724R Si-alloy
10. Stem Stainless steel 1.4021
11. Bonnet gasket EPDM rubber
12. Bonnet Ductile iron GJS-500-7 (GGG-50)
13. Bolt Stainless steel A2-70
14. Stem cap Ductile iron GJS-500-7 (GGG-50)
15. Bolt Stainless steel A2-70
16. Bolt Stainless steel A2-70
17. Slotted pin Stainless steel 1.4404
18. Key Stainless steel A2-70
19. Gland flange Ductile iron GJS-500-7 (GGG-50)
20. Wiper ring NBR rubber
21. O-ring EPDM rubber
22. Bearing shell PA 6.6
23. O-ring EPDM rubber
24. O-ring EPDM rubber
25. Thrust washer Stainless steel 1.4057
26. Thrust collar Stainless steel 1.4404
27. Thrust bearing Stainless steel / PTFE coated
28. O-ring EPDM rubber
29. O-ring EPDM rubber
30. Handwheel Cast iron
31. Washer Stainless steel A2-70

Test/Approvals

  • Seat: 1.1 x PN (in bar), Body: 1.5 x PN (in bar). Operation torque test

Standards

  • EN 1074 part 1 & 2
  • Face-to-face dimension according to EN 558, basic series 3
  • Flange drilling to EN1092, PN10/16
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