Maximum working pressure of 450 pounds per square inch
Maximum 20 standard cubic feet per minute
Maximum temperature of 400 degrees Fahrenheit
1/2" MNPT x 1/2" FNPT air compressor tank check valves are used to keep air volume and pressure from escaping back into compressor heads while not operating. The 1/8" FNPT side port is designed for pressure switch application. Maximum pressure of 450 PSI and up to 20 SCFM.