AV5-250F Dixon Brass 500# Angle Hose Valve - 2-1/2" Female NPT Inlet x 2-1/2" Male NST (NH) OutletFeatures: Designed and approved to manage 500 PSI pressures in piping systems. Red handwheel. Factory Mutual approved. New York City Board of Standards and Appeals, approval # MEA 54 07 E. Maximum operating pressure: 500 PSI at 70F (21C). Part Number Inlet Outlet Weight (Lbs.) AV5 250F 2 1 2" Female NPT Inlet 2 1 2" Male NST (NH) Outlet 13. 9000 AV5 250NYFD 2 1 2" Female NPT Inlet 2 1 2" Male NYFD Outlet 12. 5000 AVF5 250 2 1 2" Female NPT Inlet 2 1