Product overview:
Hj-71b self-operated temperature control valve, zyl-72b self-operated temperature control valve is composed of a temperature sensor and a control valve is composed of two parts, is a kind of external energy is not needed, use energy-saving products automatically adjust the temperature variation of the controlled medium. Products applicable to all kinds of gas, steam, water, oil and other automatic control for the various heat exchanger medium temperature. Has temperature setting range, convenient adjustment, continuous temperature setting, temperature overload protection, temperature setting is convenient. The self-operated pressure control valve is widely used in the industrial sector city heating, heating system and electric power, petroleum, metallurgy, pharmaceutical, boiler etc..
Characteristic.
Self-operated temperature control valve to use thermal expansion of liquids and liquid can not be compressed to achieve the automatic adjustment. Expansion of the liquid temperature sensor is uniform, the control action is proportional control. Charged medium temperature, the sensor temperature inside the liquid volume with the expansion or contraction. Charged medium temperature is higher than the set value, temperature of liquid expansion, promote close the valve spool downward, reduce the flow of the heating medium; the temperature of the controlled medium is lower than the set value, temperature of liquid contraction, a reset spring pushing the valve open, increase the heat medium flow.
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