TANK CHECK 3/4 NPT 3/4" 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 30 SCFM. 3/4" male national pipe thread 1/8" female national pipe thread side port Maximum working pressure of 450 pounds per square inch Maximum 30 standard cubic feet per minute Maximum temperature of 400 degrees Fahrenheit More Information Short Description TANK CHECK VALVE 3/4 NPT TUBE Number of Items in This Pack 1 UPC Code 30937303356 Made in USA Yes Type No Application The 1/8" FNPT side port is designed for pressure switch application Manufacturer Milton Industries Inc. Display on Bloguns CMS Page No SCFM No Maximum PSI 450 PSI NPT thread size 3/4" Male NPT Chuck Style No Material Type No Height 1.125 Width 1.125 Length 3.5