Quality is everything! US Walker (WORK) imports Self-electric temperature control valve (for larger caliber and HTF control), the biggest feature of the valve is just an ordinary 220V power supply, energy use was transferred media itself directly to steam, hot, hot temperature and other oil and gas media to implement automatic adjustment and control, also can be used to prevent overheating or heat exchange occasions, the valve structure is simple, easy to operate, wide choice of thermostat range, fast response time, reliable sealing performance, and in running freely adjusted, which is widely used hot water supply chemical, petroleum, food, textile, hotel and restaurant sectors. When ordering, please provide the following information:? A nominal diameter (mm), nominal pressure (MPa), operating temperature range of two straight and before the pressure regulating valve, the valve pressure of 3 media name and status at 4 single seat??? valve supply voltage (220V or 380V, default 220V) 5 Input signal:??? 4-20mA, or 1-5V (default 4-20mA) 6 single-seat control valve body, the trim material requirements seven other special requirements (eg corrosion requirements, proof grade requirements, leakage class limits, etc.) USA Walker (WORK) Valves Chinese agents welcome your inquire and order!