1. Three-way air compressor check valve, direct-connected air compressor check valve, valve interface 20 meters.

This high-performance, high-efficiency three-way check valve for air compressors features pressure and corrosion resistance, high reliability, and is used for pipeline connections. It is an accessory for air compressors with three external threaded interfaces for connecting pipelines, air tanks, and compressor piston pumps. The convenient threaded connection design makes it easy to install. It's a replacement for old or damaged check valves in air compressors, requiring no tools. The threaded installation is quick and easy, requiring no tools and is highly satisfactory. Compatible with air pressure environments and atmospheric pressure. The nominal external thread weighs approximately 81 grams. It is yellow, made of all-copper material, and has valve openings of 20mm, 16mm, and 10mm. Package contents: 1 x Air compressor check valve. This package only includes the above contents and does not include other products. Note: Light reflection and different monitors may cause the color of the item in the picture to differ slightly from the actual product. The allowable measurement error is +/- 1.3 cm.