Working Temp (Pressure): -65 Degrees F To 250 Degrees F (1000 Psi).
Recommended Uses Include Copper, Brass, & Iron. Brass Coupling, Female (1/4-18 NPT), 1/bag AGS Brass And Steel Fittings Are Comprised Of Tube Nuts, Unions (Couplers), Adapters, Elbows, Tees, Bushings, Connectors, Grease, Etc.