S1094-4 Milton Industries Ball Valve Full Flow Ball valve. For Compressed air, Water, or Oil. Brass body, steel-plated ball. Plated 1/4 turn handle. Teflon seals. Great for air control, natural gas and home water piping systems. 1/4" Female NPT (FNPT x FNPT). 2-inch body length. Max Working Pressure (Air/Water/Oil = 400 PSI; Steam = 150 PSI; 210 degrees F = 280 PSI). Temperature Range: -20 degrees Fahrenheit to 350 degrees Fahrenheit.