止回阀

工业制冷用止回阀

商用空调和制冷用止回阀

Check valves are used to control one-way refrigerant flow and help prevent backflow in refrigeration and air conditioning systems. In cold room applications, they support reliable flow control in liquid, suction, and hot gas lines, helping the system operate as intended.

无油系统用单向及截止阀

商用空调和制冷用止回阀（CCV）