... :SUS304,SUS316L Certificate:CE,ISO9001-2008 Sanitary Stainless Steel Check Valve 1) Standard: SMS, DIN, ISO, 3A, IDF 2) Size: 1"- ... movable fittings. Sanitary Stainless Steel Check Valve, Sanitary Check Valve, Stainless Steel Check Valve, Check Valve, Valve, Clamped Check Valve Company Profile: Wenzhou Lueyu Pipe ... to the standards such as GB,HG,HGJ,SHJ and API,ANSI, MSS-SP and BS, NID,JIS,NF,every ...