Piston type check valves are designed for installation in commercial refrigerating systems and in residential or industrial air conditioning plants. They are used to control the unidirectional flow of refrigerant so as to prevent backflow. • This valve can ensure the only correct flow direction • Equipped with damping spring to freely install the valve at positions with pressure pulse • Available in two types of model: straightway valve and l-shape valve, easy to connect • Special version of check valve equipped with reinforced spring available, applicable to compressor discharge pipes in single or multi compressor systems (ycvsh series) CCV series magnetic check valve are mainly used for commercial refrigeration and air conditioning systems, could be installed at compressor discharge line and suction line, to be used to control the unidirectional flow of refrigerant so as to prevent backflow. • Low pressure drop, low internal leakage • Connection size from 1/4”to 5/8” are copper valve body, from 7/8” and above are stainless steel valve body, cost effective • No plastic components inside