CGA677 Nitrogen Argon Helium Valves Grid view List view CGA677 Valve – 1″ NGT 8333 PSI CGA-67781-78 CGA677 Inert Gas Valve Brass Material 1″ Thread Size 8333 PSI Safety Add to cart Add to Quote CGA677 Valve – 3/4″ NGT 10,000 PSI CGA-67761-95 CGA677 Inert Gas Valve Brass Material 3/4″ Thread Size 10000 PSI Safety Add to cart Add to Quote CGA677 Valve – 3/4″ NGT 8333 PSI CGA-67761-78 CGA677 Inert Gas Valve Brass Material 3/4″ Thread Size 8333 PSI Safety Add to cart Add to Quote