Technical parameters: Domestic Hironobu VRV series of electric valve: the valve diameter: DN50-DN300mm for automatic and remote controlled air-conditioning, refrigeration, heating, ventilation, light industry, metallurgy, chemical, electric power, oil and other fields. Body Type: Two-balanced, three-way splitter / combiner. Body temperature: Valve :2-140 ℃ steam valve :2-180 ℃ Pressure: 1.6Mpa (16 Kg) Valve material: gray iron or ductile iron Connection: flange / wire port actuator control mode: switch ( an on-off control) / analog (adjustable :0-10V / 4-20MA control) can be adjusted: "The pressure, flow, level, temperature, humidity," and other parameters