8 ROLLER PUMP-NI RESISTSeries 7560 8 Roller Pump Ni Resist housing Scoopless rotor and preferred by many manufacturers of field sprayers Usable at speeds up to 1000 RPM. Brand Hypro Max Gallons Per Minute 22. 5 GPM Max PSI 300 PSI Number of Rollers 8 Pump Body Ni Resist Pump Port Size 3 4 Inch Pump Seal Viton Seal Pump Type Roller Pump Roller Type Super Roller Rotation Standard Counter Clockwise Shaft Size 15 16 Inch Solid Shaft