... Standard:ISO, DIN, 3A, etcMaximum:1.0Mpa(10bar)Model of drive:Manual, Electric, PneumaticConnection:Welded, Clamped, Threaded, FlangedWorking Principal ... Normally opened, opened and closed by two air flues separatelyElectric drive: (DC)12V, 24V, 36V (AC)220V, 380VSealing ... Wooden CasePrice:Competitive We are specialized in producing different kinds of valves, pipe fitting, tubes, manhole covers, pumps, ...