... 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) 4) Stainless steel valves, ball ... valves, butterfly valves, check valves and Y-strainers 5) Various kinds of stainless steel pipes and fittings from 1/4" to 4": Bend ...