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Standards [CURRENT]

CSA ANSI Z23551-4
Safety and control devices for gas burners and gas- burning appliances - Particular requirements - Part 4: Valve-proving systems for automatic shut-off valves (Adopted ISO 23551-4:2018, second edition, 2018-04, with North American deviations)

Edition 2022-06-01
Original language English
Price from 205.40 €
Table of contents