... 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 ... , flange connecters, gate valves, stop valves, butterfly valves, check valves and Y-strainers 5) Various kinds of stainless steel pipes and ...