... ) Standard:DIN, SMS, ISO, 3A, RJT, IDF 3) Material: AISI304/316L 4)Gasket: Silicon,EPDM Sanitary welded butterfly valve 1 .Material :SS304,SS316 ... ,SS316L(cast or forged)2. Standard: DIN,SMS,ISO,IDF,RJT.3A3. Size ... wrapped-carton-pallet or in seaworthy wooden case sanitary welded butterfly valve with high quality