CGA677 Valve – 3/4″ NGT 10,000 PSI CGA677 Inert Gas Valve Brass Material 3/4″ Thread Size 10000 PSI Safety CGA677 Valve - 3/4" NGT 10,000 PSI quantity Add to cart Add to Quote SKU: CGA-67761-95 Category: Inert Gas Valves Tag: CGA677 Nitrogen Argon Helium Valves