ASSE 1012 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PERFORMANCE REQUIREMENTS FOR BACKFLOW PREVENTER WITH INTERMEDIATE ATMOSPHERIC VENT
07-11-2023
12-01-2013
Devices which have functional capabilities for preventing both back siphonage and back pressure backflow in watersupply lines, and which can operate under continuous or intermittent pressure conditions.
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