CGA580 Valve – 1.125″ UNF 3775 PSI CGA580 Inert Gas Valve Brass Material 1 1/8″ Thread Size 3775 PSI Safety CGA580 Valve - 1.125" UNF 3775 PSI quantity Add to cart Add to Quote SKU: CGA-58051-35.1.125 Category: Inert Gas Valves Tag: CGA580 Nitrogen Argon Helium Valves