AS 4956:2017

$43.55

Air valves for water supply

Published By	Publication Date	Number of Pages
AS	2017-03-27	41

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Categories: 23.060.01 - Valves in general, 91.140.60 - Water supply systems, AS

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Description

This Standard specifies requirements for air valves for water systems. This Standard is applicable to valves rated at 600 kPa to 6400 kPa for sizes DN 15 to DN 400.

Scope

This Standard specifies requirements for metallic and plastics bodied PN 10, 12, 16, 25, 35 and 40 air valves for water supply. This Standard is applicable to valve sizes DN 15 to DN 250 that are suitable for, but not limited to, use in drinking water supplies, with a maximum operating temperature of 60°C (see Note 2).
This Standard covers the following types of valves:
(a) Large-orifice air valves.
(b) Small-orifice air valves.
(c) Double-orifice air valves.
(d) Anti-slam air valves.
(e) Anti-vacuum valves.
NOTES:
1 Purchasing guidelines are given in Appendix B.
2 Based upon a maximum water temperature of 40°C within the main and the air valve being located above ground exposed to sunlight.
3 Alternative pressure classes are available and may be specified.

Additional information

Published Code	AS
Published By	Australia Standards
Publication Date	2017-03-27
Pages Count	41
Language	English
Edition	2
File Size	522.2 KB
ISBN	9781760357009
ICS Codes	23.060.01 - Valves in general 91.140.60 - Water supply systems

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AS 4956:2017

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