1、Check valves are used to prevent reverse flow in hydraulic systems, or to prevent reverse flow of compressed air in pneumatic systems. 2、Made of high‑quality brass material, has high hardness, can withstand hot and cold pressure, and is suitable for various environments. 3、Three male threaded joints are used to connect pipes, air pressure tanks and compressor piston pumps. 4、The size of the check valve is standard, and the air tightness is good after installation, and it is not easy to cause air leakage. 5、The 1-way valve has a wide range of uses and is suitable for many fields, such as air compressors, etc. Item Type: 1-Way Valve Material: Brass Model: 1/2 x 3/4-16 x 10 Drive Mode: Pneumatic Thread Size: G1/2 x G3/4 x M10 Application: Used in hydraulic systems to prevent reverse flow of oil flow, or used in pneumatic systems to prevent reverse flow of compressed air 1 x 1-Way Valve