Western® flash arrestor bodies with adaptor nuts on inlet and outlet sides can be ordered for special applications. Adaptor nuts with a ball-seat check valve are also available for inlet side of flash arrestor body. Standard CGA connections are available on adaptor, tee block and pigtails. Units are factory assembled and tested for efficient service. Flash arrestors are UL listed for acetylene. All cylinder connections are made to CGA specifications. Check valves are designed to prevent the mixing of gases in hoses and regulators. Safety first Western strongly encourages users of compressed gases to adhere to all safety guidelines and practices. Only an absolute and constant respect for compressed gases is acceptable for safe operations. Refer to the Western safety products such as check valves, flash arrestors, and relief valves

• Machined from high quality brass with stainless steel operating spring and valve disc
• Feature low open/close pressures: 3 oz to open valve and 10 oz reverse pressure to positively close valve
• 100% tested
• Mounts easily on torch, readily seen and can be removed for periodic testing
• Flow cut up to 12 Inch steel plate or handle heating tips (1200 scfh at 50 psig)
• Stops reverse flow at point of origin

Western® CV-7R Check Valve, Connection: CGA: 022, (B-Size) 9/16-18 RH Male x (B-Size) 9/16-18 RH Female, Number Of Outlets: 1, Brass, Brass, Operating Pressure: 125 psig, Gas Service: Oxygen