Gas welding equipment - Safety devices - Part 2: not incorporating a flamearrestor.
气焊设备。安全装置。第2部分：不含有回火制止器的安全装置。
2
FlameArrestor breather valve should be equipped on the top of tank for type A B liquid according to GB50160-92, "Fire prevention code of petrol chemical enterprise design".
Based on the combustion characteristics of oxyhydrogen flame, a new flash-back arrestor faced on oxyhydrogen flame applied for oxyhydrogen welding and cutting equipment is designed.