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AVK GATE VALVE, FLANGED, NRS

PN16 flange drilling, alu-bronze stem, UL/FM approved, DN450-600

AVK headquater in Skovby Galten, Denmark

Contact

AVK International A/S

Bizonvej 1, Skovby, 8464 Galten, Denmark

Flanged resilient seat gate valve with non-rising stem of alu-bronze and wrench nut, PN16 drilling, UL/FM approved. For water and fire protection applications to max. 70° C. Pressure rating UL: 200 psi, AWWA/FM: 250 psi

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 multiple drinking water approvals. 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. A triple stem sealing system, alu-bronze stem and the thorough corrosion protection safeguard the unmatched reliability.

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Variant 55/23-004
Connection: Flanged
Material: Ductile Iron
DN: DN450 - DN600
PN: PN16
Closing direction: Clockwise to Close

Features

  • Fixed, integral wedge nut prevents vibration and ensures durability

  • Wedge fully vulcanized with drinking water approved EPDM rubber and equipped with wedge shoes to provide smooth operation
  • Alu-bronze stem and brass wedge nut for high corrosion resistance
  • Gland-follower for re-tightening with three main O-rings
  • No hollows or cavities where stagnant water might collect and cause contamination
  • Stem nut in high strength alu-bronze
  • Stem seal consisting of three O-rings in series with adjustable compression
  • Thrust bearing consisting of stainless steel discs coated with a low friction, self-lubricating bronze-PTFE composite
  • Round NBR bonnet gasket fixed in a recess to avoid blow out
  • Countersunk and sealed stainless steel bonnet bolts encircled by the bonnet gasket
  • ISO F16 actuator flange
  • Integrated lifting eyes for easy handling
  • Installation with horizontal or vertical stem
  • Bosses for by-pass
  • Fusion bonded epoxy coating in compliance with DIN 3476 part 1 and EN 14901, GSK approved.

Downloads

Datasheet
Appendix
Certificate(s)

Reference nos. and dimensions:

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AVK ref. no. DN
mm		 DN
Inch		 H
mm		 H3
mm		 L
mm		 W
mm		 F2
mm		 Actuator
Flange		 Theoretical
weight/kg
55-450-23-016640F1 450 1170 1488 432 837 50 F16 644
55-500-23-016640F1 500 1196 1546 457 845 50 F16 699
55-600-23-016640F1 600 1328 1736 508 977 50 F16 959
BIM drawings
2D/3D drawings
Enquiry
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Components

1. Bonnet Ductile iron 65-45-12
2. Bonnet gasket NBR rubber
3. Body Ductile iron 65-45-12
4. Wedge rubber EPDM rubber
5. Wedge nut Brass, DZR CW602N (CZ132)
6. Wedge core Ductile iron GJS-500-7
7. Bolt, socket head Stainless steel A2
8. Wrench nut Ductile iron 65-45-12
9. Key Stainless steel A4
10. Stem Alu-bronze C63000
11. Wiper ring NBR rubber
12. O-ring EPDM rubber
13. Radial bearing Polyamide
14. Gland flange Ductile iron 65-45-12
15. Thrust collar Alu-bronze CW307G
16. Thrust washer Stainless steel 1.4057 (431)
17. Thrust bearing Bronze / PTFE composite
18. O-ring EPDM rubber
19. Stem seal O-ring EPDM rubber
20. Bonnet bolt Stainless steel A4
21. Gland flange bolt Stainless steel A4
22. Wedge shoe Polyamide

Test/Approvals

  • Hydraulic tests according to FM and UL Standards.
  • Seat test 300 psi / 20,7 bar, shell test 500 psi / 34,5 bar, closing torque test, full travel operational test.
  • FM Approved. UL listed.

Standards

  • Designed according to FM 1120/1130, Designed according to UL 262
  • Face-to-face dimension according to ASME B16.10, table 1, class 125
  • Standard flange drilling to EN1092-2 (ISO 7005-2), PN16
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