... steel fittings, sanitary stainless steel gaskets, sanitary stainless steel tubing and tube hangars, sanitary stainless steel pumps (centrifugal, rotary lobe), sanitary ... stainless steel valves (butterfly, ball, diaphragm, sample, divert, plug, ball check, disk check, safety, reversal etc), accessory items and component parts. Sanitary grade welded check valve