... , 1"-6" 2) Standard:DIN, SMS, ISO, 3A, RJT, IDF 3) Material: AISI304/316L 4)Gasket: Silicon,EPDM Sanitary Butterfly Valve1 .Material ... :SS304,SS316,SS316L(cast or forged)2. Standard: DIN,SMS,ISO,IDF,RJT ... .Packing : carton or in seaworthy wooden case Stainless Steel Sanitary Butterfly Valve