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Design temperature control valve selection

by:Mech     2020-08-08
Temperature control valve is one of the main heating system flow control adjusting device, other regulator is auxiliary equipment, so the temperature control valve is essential. If you don't set a heating system temperature control valve cannot say is called heat metering system. In the design of temperature control valve, the right selection is very important. Purpose, temperature control valve selection is according to the design flow rate ( Known under the heat load) To determine the KV value (pressure drop, allowing Flow coefficient) ; Then the KV value determine the diameter of the temperature control valve ( Model) 。 Therefore, sample design atlas or manufacturer must give KV values and the diameter of the relationship, or not convenient for designers to use. In the design of temperature control valve selection, is by no means a simple selection with pipe diameter of the temperature control valve is sufficient. But in the process of selection, temperature control valve in the selected an ideal differential pressure working conditions. A temperature control valve is usually work pressure difference between the 2 ~ 3 mh2o, no more than 6 ~ 10 largest mh2o. For this, be sure to give the range of the pre setting of the temperature control valve, to prevent noise, affect the normal work temperature control Industrial Valves. When under the same KV value, there are more than two kinds of caliber choice, should first choice diameter smaller temperature control valve, its purpose is to improve the regulation of temperature control valve performance.
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