Fittings are made to high standards of quality,air pressure tested and care. We can produce class 150LB and class 300LB malleable iron threaded fittings.
Available of class 150LB:1/8"~6"
Available of class 300LB:1/4"~4"
American standard： Material:ANSI/ASTM A197
British Standard： Material:ISO5922
Surface treatment: Black or hot dipped galvanizing.