Standards

Voluntary × Solid waste × Processes in the food industry × safety devices ×

Gas welding equipment — Safety devices- Part 1: Devices not incorporating a flame (flashback) arrestor

This document specifies the general requirements and tests for safety devices for fuel gases and oxygen or compressed air which do not incorporate a flame (flashback) arrestor used downstream of manifold, cylinder and/or pipeline outlet regulators, and upstream of blowpipes for welding, cutting and allied processes. This document does not specify the location of these devices in the gas system. This document is not applicable to safety devices which incorporate a flame arrestor, covered by ISO 5175-1.

Voluntary Mechanical welding devices safety devices

GYS 142-2 - 2025

GYD 5,500 20 pages