Ductile iron pipe fittings and couplings (FM and UL approved) mainly including two kinds of products:(1) the pipe fittings function on connecting and sealing such as rigid coupling, flexible coupling, mechanical tee and grooved flange,(2) the pipe fittings function on connecting and transition such as bend, tee, cross, reducer.
Malleable Iron,Ductile iron,Grey iron
Thread:BSPT(ISO 7/1),NPT(ANSI B1.20.1)
ASME B16.3,ASME B16.14,ASME B16.39,
BS EN 10242,BS143,BS1256
ISO 49,DIN 2985
(C %2.4-2.9),(Si %1.4-1.9),(Mn %0.4-0.65),(P% <0.1),(S% <0.2%)