1/2" MNPT 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 air flow of 20 SCFM.

Product Features:

• 1/2" male national pipe thread
• 1/8" female national pipe thread side port
• Maximum working pressure of 450 pounds per square inch
• Maximum temperature of 400 degrees Fahrenheit