Check the listing for details. MILTON® 1/2" MNPT Compressor Tank Check Valve. Condition: New. Listed at 19.13 USD. Features: 3/8" male compression tubeAir flow of 20 standard cubic feet per minuteMaximum working pressure of 450 pounds per square inchMaximum temperature of 400 degrees Fahrenheit1/2" male national pipe thread TANK CHECK VALVE 1/2"NPT 3/8M Description: 1/2" MNPT tank check valves are used to keep air volume and pressure from escaping into the compressor heads while not operating. Compressor tank check valves are made up of a brass body with a Teflon poppet. About Milton® Industries Inc.:This is an authentic Milton® Industrials product shipped new in packaging (NIB). Many of our products are manufactured and shipped directly from our corporate headquarters in Chicago, IL 60639, United States. For the past 70 years, Milton® Industrials Inc. has been the product of choice when it comes to pneumatic accessories. We have invented numerous industry standard products, including the classic M STYLE® ?I/M? KWIK-CHANGE® Coupler and Plug, Window Inflator Gauge, Safety Blow Guns, and the iconic Driveway Signal chimes and bell. With these inventions, our portfolio has grown to over 1400 different SKU?s.