Size: 1"-12" & DN25-DN300 Material: SS304/316L Passed as FDA & CE certificate ... DN25-DN300Standard: DIN, SMS, 3A, ISO, IDF, RJT Gasket material: Silicon, EPDM, Viton , NBR, FPM, which all confirm ... to standard of FDA. Connection: Weld, clamp, thread, single weld single thread, flange Handle: 2-position ... The more product model for your selection: Clamp Stainless Steel Butterfly Valve