AVK AIR RELIEF VALVE, PN16

ABS float, EPDM seal, DN25

AVK Wingfield Plant

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AVK Australia Civil

559A Grand Junction Road Wingfield SA 5013 Sales and Technical enquiry

Air vent 1" female thread for water 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.

Variant 851/00-001
Connection: Internal BSP Thread
Material: Ductile Iron
DN: DN25
PN: PN16

Features

  • 1" female BSP thread for connection to pipe systems
  • Anti-friction coated stainless steel fasteners
  • Ductile iron parts coated with GSK approved fusion bonded epoxy
  • Internal components are EPDM or ABS, drinking water approved

Downloads

Datasheet
Certificate(s)
Installation, Operation & Maintenance
Product Brochure

Reference nos. and dimensions:

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AVK ref. no. DN
mm
Product
PN Class
L
mm
W
mm
H3
mm
Theoretical
weight/kg
851-025-00-822000 25 PN16 138 138 149 4.0
Enquiry
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Components

1. Body Ductile iron GJS-500-7 (GGG-50)
2. Float ABS
3. Screw Stainless steel A4
4. Seal EPDM rubber
5. Grooved pin Stainless steel A4
6. O-ring EPDM rubber
7. Orifice bracket Polyamide
8. Bonnet Ductile iron GJS-500-7 (GGG-50)
9. Gasket EPDM rubber
10. Orifice cover Polyamide
11. Bolt Stainless steel A4
12. Washer Stainless steel A4
13. Nut Stainless steel, A4, delta seal

Test/Approvals

  • Approved according to WRAS Certificate 1501702

Standards

  • Designed to: AS/NZS 4158, Designed to: AS/NZS 4956
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