Refrigeration Air Conditioning One-Way Valve with Core and Seal for Repair Welding Cold System

Filling valves are used in various parts of freezing, refrigeration and air conditioning equipment. The refrigerator check valve is small in size, easy to carry and store, convenient to use. With double seal to ensure no leakage, brass filling valve with sealing cap. Using materials, strong and durable, has a long service life. The designed knurled cover of refrigerator check valve is adopted for easy installation and disassembly.