ESAB CV-4 Check Valve, Fuel Gas - CGA-023 (9/16 in - 18 LH male) "B" Size Fitting - 639711

Check valves are available in shutoff/check valve combinations for use at station outlets. The check valves are also available separately as adaptors for coupling a station regulator or outlet hose to any shutoff valve. All check valves have a neoprene ball seat which prevents gas backflow into the piping system as required by NFPA Standard 51.

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