... 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