SAFETY VALVE 1/4 NPT 70 PSI This 1/4" MNPT safety valve is ASME coded and certified by the national board of boiler and pressure vessel inspectors. Valves are interchangeable with all other ASME valves of same size and pressure. This safety valve is bubble tight to 10% of set pop off pressure and resets after pressure drops 50%. 1/4" male national pipe thread Pop off pressure of 70 pounds per square inch Air flow of 70 standard cubic feet per minute More Information Short Description ASME Safe. Valve 1/4"NPT 70 PSI Grouped Product Package Type Single Pack Number of Items in This Pack 1 UPC Code 30937303301 Made in USA Yes Type No Manufacturer Milton Industries Inc. Display on Bloguns CMS Page No SCFM Air Flow 70 SCFM Pop off pressure 70 PSI Pop off pressure Maximum PSI No NPT thread size No Chuck Style No Valve Type ASME Safety Valve Material Type No Height 0.69 Width 0.69 Length 2