This Standard sets out requirements for the design, construction, testing and performance of
the following types of valves, within the range of DN 15 to DN 50:
(a) Temperature/pressure-relief valves.
(b) Expansion-control valves.
(c) Non-return valves.
(d) Temperature-relief valves.
(e) Combination high-pressure expansion non-return valves (HPNR).
(f) Leak-protection devices.
AS 1357.1:2009 Referenced Document
AS 1271 Safety valves, other valves, liquid level gauges and other fittings for boilers and non-fired pressure vessels