Check valves are widely used in VRVs, commercial air conditioners, heat pump hot water heaters, and commercial refrigeration. They are used to control the unidirectional flow of refrigerant so as to prevent backflow.This valve can ensure the only correct flow direction to prevent back flow,filter screen installed at the inlet of this valve to effectively filter impurities,copper valve body without any solder joints ensures no leakage.
It is applicable for many refrigerants: R410A, R32, R407C and R22.
And the maximum working pressure is 4.2MPa.
The medium temperature： -30℃~ +120℃.
