Excess flow valves for natural gas and propane gas with pressures up to 5 psig

CSA ANSI Z21.93:2017 pdf download

admin Nov 29 , 2021 ANSI Standards No Comment

CSA ANSI Z21.93:2017 pdf download.Excess flow valves for natural gas and propane gas with pressures up to 5 psig. 1.1 CSA ANSI Z21.93 applies to excess flow valves constructed entirely of new unused parts and materials intended for use after...