... plugs, backnuts, crosses over, round caps, etc. ) 2. Thread Standard: British standard, American standard & DIN 3. Pipe Fittings ... colorful galvanized, all be antirust treatment. 6. Pipe Fitting Usage: Suitable for joining pipe lines of water, gas ... Connection: Female Type: Coupling Technics: Casting, malleable Pipe Fitting Surface finishing: Black, Hot dipped galvanized, Electrical galvanized Kind ...