Pressure Reducing Control Valve Valve Type Single Chamber Pipe Size 4 in Connection Type Flanged Operating Pressure 250 psi Max Continuous Flow Rate 800 gpm Max Intermittent Flow Rate 1 000 gpm Port Size 1/2 in x 1/2 in x 3/8 in Max Fluid Temp 160 Degrees F Pilot Adjustment Range 30 to 300 psi Body Material Ductile Iron ASTM A536 Cover Material Ductile Iron Elastomer Material Buna N Nut Material 304 Stainless Steel Spring Material 302 Stainless Steel