1) Malleable iron pipe fittings:
a) Hot-dipped galvanized and black
b) Heavy weight duty, n
1) Malleable iron pipe fittings:
a) Hot-dipped galvanized and black
b) Heavy weight duty, normal weight duty and light weight duty
2) Butt-welded fittings, flanges, rubber joint, single-sphere, double-sphere, twin
sphere union
copper pipe