Sanitary butterfly valve(ISO9001:2000,CE,TUV certified) DN10-DN200,1/2"-8",larger size can be customized SS304,SS304L,SS316,SS 1.Description of Stainless steel german butterfly valve (1)Surface treatment: mirror polished 320G,400G or matt polished 180G,240G(2)Standard: DIN, SMS, 3A,ISO, IDF, RJT, AS, BS, BPE(3)Seal material: EPDM,Silicone or VITON(price higher)(4)Working pressure: 0 - 10Bar (From ...