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 Demensions:ANSI/ASTM B16.3,B16.39,B16.14 Threads:ANSI/ASTM B1.20.1(NPT)
British Standard： Material:ISO5922 Demensions:ISO49 Threads:ISO7/1（BSPT)
Surface treatment: Black or hot dipped galvanizing.
