Atlas Copco 2901050301 Check Valve Kit

The 2901050301 check valve kit functions as an oil stop valve assembly for Atlas Copco oil-injected rotary screw compressors. It prevents oil backflow during shutdown, maintaining system pressure and protecting internal components. The kit is designed for maintenance intervals on GA30, GA45, GA55, and C106 series compressors. Technical specifications include an operating temperature range of -10°C to 120°C, a rated service life of 8000 hours, and compatibility with liquid and gas working media. The assembly is constructed from high-grade aluminum alloy for durability and corrosion resistance. Cross-reference equivalents include OCP VK500-054, VK500-055, and Kentek AC-2901050301.