Pressure Plunger Pump Discharge Connection Size 3/8 in Discharge Connection Type BSP Discharge Pressure (Maximum) 3 000 psi Flow Rate (Maximum) 4 gpm Intake Connection Size 1/2 in Intake Connection Type BSP Motor Speed (Maximum) 1 750 RPM Piston Design Triplex Pump Head Material Forged Brass Plunger Material Ceramic Required Electric Motor Horsepower (Maximum) 10 hp Lubrication Oil Bath Shaft Outer Diameter 1 1/8 in Shaft Type Hollow Drive Type Direct-Mount