... 1000pcs a week,sanitary stainless steel 3 way plug val Stainless Steel 3 way Plug Valve with Union1)Material : AISI304, AISI304L, AISI316 ... , AISI316L2)Standards: DIN, SMS, ISO, IDF, 3A, RJT, DS, BS, ... by handle11)Three drive forms:often closing type,often opening type is pneumatic or manual typeWenzhou Yuanyu Mechanical Co ...