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Factory Set Pressure Reducing (regulating) Brass Valves Valves Factory Set Pressure Reducing (regulating) Brass Valves 18-457 / 18-458 / 18-459 � Pressure Reducing (regulating) Valves are listed by: 1. Underwriters Laboratories for Automatic Sprinkler Systems as floor or zone control valves 2. Standpipe Systems, Class I, II and III 3. Automatic Check Valve for Dual Riser Systems 4. Approved by the New York City Board of Standards & Appeals 97-74-SM 5. Approved by the City of Los Angeles and the City of San Francisco (ULC 2-1/2") � True combination shut-off and pressure reducing valves. 1-1/2" size reduces inlet pressure of 300 psi (2069 kPa) or less to working pressures of 10 through 175 psi (69- 1207 kPa). 2-1/2" size reduces inlet pressures of 400 psi (2758 kPa) or less to desired working pressures from 20 through 175 psi (138-1207 kPa) under discharge or static conditions. � Female x female valves are furnished with OPEN / CLOSED Indicator Bonnet for rapid confirmation of the valves status in the system. � Factory valves are tamper resistant � Cast brass Inlet Outlet Dixon Powhatan Female NPT Male NH (NST) Part # Part # 2�" 2�" NAPRAV250F-55 18-457-00076 NAPRAV250F-60 18-457-00077 NAPRAV250F-65 18-457-00078 NAPRAV250F-70 18-457-00079 NAPRAV250F-75 18-457-00080 NAPRAV250F-80 18-457-00081 NAPRAV250F-90 18-457-00083 Inlet Outlet Dixon Powhatan Female NPT Female NPT Part # Part # 1�" 1�" NAPRAVF150-15 18-458-00021 NAPRAVF150-20 18-458-00022 NAPRAVF150-30 18-458-00024 NAPRAVF150-25 18-458-00025 NAPRAVF150-50 18-458-00036 2�" 2�" NAPRAVF250-75 18-458-00040 NAPRAVF250-65 18-458-00078 NAPRAVF250-60 18-458-00087 NAPRAVF250-55 18-458-00088 NAPRAVF250-70 18-458-00092 NAPRAVF250-80 18-458-00101 NAPRAVF250-85 18-458-00102 Inlet Outlet Dixon Powhatan Female NPT Female NPT Part # Part # 2�" 2�" NAPRVF250-60 18-459-00011 NAPRVF250-65 18-459-00012 NAPRVF250-70 18-459-00013 NAPRVF250-75 18-459-00014 NAPRVF250-55 18-459-00015 NAPRVF250-85 18-459-00016 NAPRVF250-80 18-459-00017 Inlet Outlet Dixon Powhatan Grooved Grooved Part # Part # 2�" 2�" NAPRVG250-55 18-459-00024 NAPRVG250-60 18-459-00025 NAPRVG250-65 18-459-00026 NAPRVG250-70 18-459-00027 NAPRVG250-75 18-459-00028 The valves are available with a tamper proof switch as an accessory device to hasten valve operation while monitoring its open condition. The complete switch, with bracket and housing, is available for field mounting. Consult the factory for price and availability. Dixon Powhatan 2007 1-1 Factory Set Pressure Reducing (regulating) Brass Valves
Goodyear Rubber Products
