1)SS304,316,316L 2)0DN25-200&1-8" 3)SMS,DIN,3A,IDF 4)ISO9001:2000 1000PCS a week,sanitary flange connection butterfly valve sanitary flange connection butterfly valve1)Material : AISI304, AISI304L, AISI316, AISI316L2)Standards: DIN, SMS, ISO, IDF, 3A, RJT, DS, BS, BPE3)Flux domination of pipeline: DN25-DN200& 1''-8''applied to the stainless steel pipeline system4)Connection: flange5)Certificate: ...