
Specification for safety devices for fuel gases and oxygen or compressed air for welding, cutting and related processes
出版:British Standards Institution

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Requirements for fuel gases and oxygen or compressed air safety devices used between the cylinder regulators or pipeline regulators or downstream of the pipeline valve outlet and the blowpipe (burning device) for welding, cutting and related processes. Covers non-return valve; flame arrestor, cut-off valve (heat or pressure sensitive) and pressure relief valve.
? British Standards Institution 2013