Stainless Steel Sanitary Threaded Butterfly Valve 1.Size:DN15-DN200 2.Standard:ISO, DIN, 3A ... Welded, male, clamped, flanged 6.Driver: Manual, pneumatic, electric 7.Manual oparation: Pulling handle, multi-position handle 8.Pneumatic ... normally opened, opened and closed by two air flues separately9.Electric drive: (DC)12V, 24V, 36V (AC)220V, 380V ... DIN 3A SMS IDF RJT etcDrivermanual pneumatic electric