1) Butt-welded fittings, flanges, rubber joint, single-sphere, double-sphere, twin sphere union 2) 1) Butt-welded fittings, flanges, rubber joint, single-sphere, double-sphere, twin sphere union 2) Cast iron and ductile iron butterfly valves, gate valves, globe valves, check valves, Y-strainers 3) Ductile iron fittings, cam locks (aluminum, brass and stainless steel) Bend Pipe 4