Procon Products Brass 1/2'' 140 GPH 250 PSI Flange Style Rotary Vane PumpProcon Products Brass 1 2'' 140 GPH 250 PSI Flange Style Rotary Vane Pump Brand: Procon Products Material: Brass Port Size: 1 2'' Min Temp: 4 F Max Temp: 160 F Max PSI: 170 PSI Flowrate: 140 GPH Rotation: Clockwise Mounting Type: Bolt On Drive Configuration: Single Flat Min Speed: 1000 RPM Max Speed: 2400 RPM Max Static PSI: 100 PSI Valve Type: Solid Ultem Valve Configuration: Standard Non External Adjust Relief Valve Max PSI: 250 PSI Internal