GB/T 40337-2021: Gas tightness of equipment for gas welding and allied processes

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Scope

This Document specifies the maximum allowable external leakage rate and
measurement test methods for welding, cutting and allied process equipment
(hereinafter referred to as "equipment").
This Document is applicable to independent welding and cutting equipment parts or
devices from the hose connection (the outlet of the gas cylinder valve or the connection
end of the gas supply station) at the gas supply end to the gas outlet of the welding
and cutting torch.
This Document is not applicable to gas supply stations.
Some equipment standards stipulate the maximum allowable external leakage rate,
which shall be implemented in accordance with their standard provisions.

Basic Data

Standard ID	GB/T 40337-2021 (GB/T40337-2021)
Description (Translated English)	Gas tightness of equipment for gas welding and allied processes
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J64
Word Count Estimation	14,182
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration