Danfoss KVC are hot gas bypass regulators used for the adaption of the compressor capacity to the actual evaporator load. They are adapted for HCFC, HFC and HC refrigerants. These regulators designed for work in traditional cooling systems, air conditioners, refrigeration transport, industrial cooling, air dryers. Placed in a bypass between high- and low-pressure sides of the refrigeration system, KVC imposes a lower limit on the compressor suction pressure by supplying the low-pressure side with replacement capacity in the form of hot/cool gas from the high-pressure side.
The degree of opening of the regulator depends only on the outlet pressure. KVC is equipped with an equalization bellows. This bellows has an effective area corresponding to the area of the valve seat. The hot gas bypass regulator is also equipped with an effective damping device against pulsations which can normally arise in a refrigeration unit.
Regulator has a wide capacity range and control from 0.2 to 6 bar. Maximum operating pressure is 28 bar. Temperature ranges from -45 to +130°С.
Application examples:
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