BS EN 730:1995 Gas welding equipment. Equipment used in gas welding, cutting and allied processes, safety devices for fuel gases and oxygen or compressed air. General specifications, requirements and tests
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This standard lays down the general specifications, requirements and tests of safety devices for fuel gases and oxygen or compressed air used downstream of cylinder or pipeline outlet regulators and of pipeline outlet valves, and up-stream of blowpipes for welding, cutting and allied processes.
It does not specify location and combination of these devices in the gas system.
NOTE. The method of installing these devices (types selected, order of installation, etc.) varies with operating conditions. It is essential to follow the manufacturer's instructions regarding installation and operation and to ensure that the overall pressure drop due to the combination is as low as possible.
BS EN 730:1995 Gas welding equipment. Equipment used in gas welding, cutting and allied processes, safety devices for fuel gases and oxygen or compressed air. General specifications, requirements and tests