ASSE 1003/CSA B356 on PRVs for Potable Water Distribution Systems Is Available for Public Review

CSA Group is pleased to announce that ASSE 1003/CSA B356: Water Pressure Reducing Valves for Potable Water Distribution Systems is out for public review. The draft is accessible on the CSA Public Review website,, and comments are due by October 1, 2022.

This new standard applies to water pressure reducing valves for potable water distribution systems. The purpose of a water pressure reducing valve for potable water distribution systems is to reduce static and flowing pressures in water distribution systems. This standard applies to nominal device sizes of ½, ¾, 1, 1¼, 1½, 2, 2½, 3, and 4 inches (DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, and DN100).

Source: CSA Group

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