MOPPET valves provide outstanding reliability, even in the most demanding service, delivering consistently longer run times and reducing total life cycle costs. A MOPPET valve has a series of small, identical, radiused-disc elements that operate independently of each other. The valve is designed to provide outstanding resistance to damage and wear from entrained debris and superior reliability in dirty service and liquids. Learn more at www.cookcompression.com/products/compressor-valves/moppet-compressor-valve/.