Electric control valve main brands: 1, Siemens electric control valve VVE Series (Original / mixed): Valve Size: original wire port DN15-DN50mm, flange DN15-DN150mm; mix wire port DN20-DN50mm, flange DN25- DN250mm 2, Honeywell electric control valve VVH Series (Original / mixed): Valve Size: original wire port DN15-DN80mm, flange DN15-DN150mm; mix wire port DN20-DN65mm, flange DN25-DN200mm 3, Hironobu VRV series of domestic electric control valve: the valve diameter: DN50-DN300mm 4, Hironobu domestic fan coil two-way valve: (Siemens, Honeywell, Hironobu Series) Valve Size: DN20-DN25mm medium temperature: 2 ℃ -95 ℃ Ambient temperature: 0 ℃ -60 ℃ Technical parameters: for air conditioning, refrigeration, heating, ventilation, light industry, metallurgy, chemical, electric power, petroleum and other areas of automatic and remote control. 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 the same time, our factory according to the user's needs, domestic Hironobu body with Siemens, Johnson, Honeywell actuators, compared with the full import of products, higher price. Meanwhile, we also provide you with related products such as: temperature control, temperature and humidity control box, the water level meter display and control, pressure control box, expansion tank, mechanical filters, set (points) water heater, water treatment and other electronic products reasonable price, selection of reference for your convenience. Xian Bo letter will adhere to improve product quality, perfect service system for enterprise purposes, adhering to the "Bo public long letter-based" business philosophy, to provide long-lasting quality products and services for users Bo letter. Please call for more information or inquiry! Look forward to working with you!