Watts 0009309 Pressure Reducing Valve, FNPT x FNPT, Copper Silicon Alloy, 25 psi to 75 psi, NPT x NPT G1393874 Material Alloy Steel Diameter 1 8" Material Alloy Steel Diameter 1 8" Length 3 4" Pack Size 50 Country of Origin United States Schedule B 731829 Maximum Operating Pressure 280 psi @ 73 Degrees F Model Number 25AUB Z3 Standards BAA Compliant Inlet Connection Gender Female Body Material Copper Silicon Alloy Valve Type Pressure Reducing Operating Pressure Maximum 300 psi Inlet Connection Type NPT NSF Certifications for Food and Drinking Water NSF 61G Seat Material Stainless Steel Disc Material EPDM Outlet Connection Type NPT Pilot Adjustment Maximum 75 psi Pilot Adjustment Minimum 25 psi Includes Strainer Strainer Included Fluid Temperature Maximum 180 Degrees F Factory Set Pressure 50 psi Outlet Connection Gender Female For Media Water Country of Origin United States 25 to 75 psi Adjustable