AVK AIR VENT VALVE, PN16

SS 316 float, A2 bolts/A2 PTFE-coated nuts

CHAN

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Chan Chee Leong

Senior Manager, Sales and Marketing

Air venting valve for drinking water (not wastewater) and neutral liquids to max. 70° C

AVK series 851 automatic air venting valves are designed for automatic discharge of accumulated air during normal working conditions. Corrosion protection is ensured by coating all ductile iron components with WRAS approved fusion bonded epoxy and having all other components made by a drinking water approved stainless steel. The seals are made of drinking water approved EPDM rubber featuring an excellent compression set and ability to regain its original shape

Variant 851/42-002
Connection: Internal Thread
Material: Ductile iron
DN: DN25
PN: PN 16

Features

  • 1" female BSP thread for connection to pipe system
  • Anti-friction coated stainless steel fasteners
  • Iron parts with contact to the water coated with fusion bonded epoxy, approved for drinking water
  • Seals are made of EPDM and the seat is ABS, all drinking water approved
  • Internal parts are highly corrosion resistant AISI 316 stainless steel or ABS
  • The complete product is approved for drinking water by WRAS

Downloads

Datasheet
Certificate(s)

Reference nos. and dimensions:

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Reference no. Gross Price
MYR
DN
mm
L
mm
W
mm
H3
mm
Theoretical
weight/kg
851-025-42-961000 448 25 138 138 149 4.0
Enquiry
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Components

1. Body Ductile iron GJS-500-7 (GGG-50)
2. Float Stainless steel 1.4401 (AISI 316)
3. Pin Stainless steel A2
4. O-ring EPDM rubber
5. Bonnet Ductile iron GJS-500-7 (GGG-50)
6. Gasket EPDM rubber
7. Orifice bracket Polyamide
8. Orifice cover Polyamide
9. Bolt Stainless steel A2
10. Washer Stainless steel A2
11. Nut Stainless steel A2, PTFE

Test/Approvals

  • Hydraulic test: 1.5 x PN
  • Approved according to WRAS certificate 241102017, max. 50°C

Standards

  • EN 1074-4
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