... , DIN, ISO, 3A, IDF 2) Size: 1"-4" , DN25-DN100 3) Material: SUS304, SUS316L 4) Certificate: CE, ISO9001-2008 5) Application: foods ... valve; check valve; diaphragm valve; ball valve; quick install ball valve; sanitary zeroretention ball valve; sanitary floor drain;sanitary movable fittings. Sanitary Stainless Steel Check Valve, Sanitary Check Valve, Stainless Steel Check Valve, Check Valve, Valve ...