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AVK GATE VALVE, FLANGED, PN10/16

EN 558 ser.15/DIN F5, by-pass

CHAN

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Chan Chee Leong

Senior Manager, Sales and Marketing

Flanged gate valve, resilient seat with by-pass. For water, neutral liquids, wastewater treatment, max 10% solid matter 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 EPDM rubber compound with WRAS and DVGW W270 drinking water approval. 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 quadruple stem sealing system, the high strength stem and the thorough corrosion protection safeguard the unmatched reliability.

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Variant 55/30-022
Connection: Flanged
Material: Ductile iron
DN: DN800
PN: PN 16
Closing direction: Clockwise to Close

Features

  • Fixed, integral wedge nut prevents vibration and increases durability
  • Fully vulcanized wedge with guide rails ensure correct opening/closing
  • Polyamide wedge shoes protect the wedge rubber during opening and closing
  • Stainless steel stem with wedge stop
  • A large conical stem hole in the wedge creates circulation and prevents stagnant water
  • Four independent stem seals: outermost an NBR wiper ring protects against pollution from the environment, next the polyamide radial bearing is surrounded by two NBR O-rings followed by another O-ring around the stem and innermost an EPDM lip seal is the main hydraulic seal to the flow
  • Thrust bearing consisting of a series of stainless steel washers covered with a layer of PTFE coated bronze ensures low operating torque
  • Removable gland flange for under-pressure replacement of thrust- and radial bearings and seals
  • Round bonnet gasket fixed in a recess to prevent blow-out
  • Counterbored stainless steel bonnet bolts encircled by the bonnet gasket and sealed with hotmelt glue
  • ISO actuator flange; electric actuator or gearbox is recommended
  • Integrated lifting eyes for easy handling
  • 3/4" connection plug for venting or installation of air valve
  • Epoxy coating to DIN 3476-2, GSK approved
  • All rubber parts with multiple drinking water approvals (DVGW, WRAS)
  • For installation with horizontal or vertical stem
  • Detachable covers at the bottom for flushing of wedge rail
  • A by-pass valve is fitted to ease operation at high differential pressure 

Downloads

Datasheet

Reference nos. and dimensions:

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Reference no. Gross Price
MYR		 DN
mm		 Flange
drilling		 L
mm		 W
mm		 W1
mm		 H
mm		 H3
mm		 F2
mm		 D2
mm		 Dh
mm		 Ds
mm		 No. of
bolts		 Actuator
flange		 Theoretical
weight/kg
55-800-30-01464F001 256,205 800 PN16 1000 1657 1030 1673 2186 81 40 950 41 24 F16 2513
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Components

1. Bonnet Ductile iron GJS-500-7 (GGG-50)
2. Body Ductile iron GJS-500-7 (GGG-50)
3. Slotted pin Stainless steel AISI 316L
4. Wedge rubber EPDM rubber
5. Wedge nut Brass CW724R Si-alloy
6. Wedge core Ductile iron GJS-500-7 (GGG-50)
7. Wedge shoe Polyamide
8. By-pass valve Gate valve, DN80
9. O-ring EPDM rubber
10. Cover plate Ductile iron GJS-500-7 (GGG-50)
11. Key Stainless steel
12. Stem Stainless steel
13. Gland Ductile iron GJS-500-7 (GGG-50)
14. Thrust collar Stainless steel 1.4021 (AISI 420)
15. Wiper ring NBR rubber
16. Radial bearing Polyamide
17. Thrust washer Stainless steel
18. Thrust bearing Stainless steel
19. Stem seal EPDM rubber
20. Seal Hot melt glue
21. Bolt Stainless steel A2
22. Bonnet gasket EPDM rubber
23. Plug for air valve Stainless steel 1.4404
24. Blind plug Stainless steel, duplex

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, Series 15
  • Flange drilling to EN1092, PN16
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