3.87 cu in Prince Hydraulic Pump SP25A63A9H2L | Prince Mfg | Brands | www.surpluscenter.com

Gears and drive shaft are hardened alloy steel of one piece construction. Special gear design: Non-symmetrical gear insures low noise and compactness. Highest Quality Workmanship. Pressures Up To 3000 P.S.I. Dependable service: Balanced pressure loading insures small dispersion, good durability and maintains high performance, extremely efficient. Perfect alignment: "Through bore" design provides perfect alignment of pump element and assures even bearing load. With the aluminum alloy casing, the SP Series features lightweight and easy handling. Double pumps: Available in SP20, SP25 and SP25/SP20 combinations. Maximum speed from 3000 to 4000 RPM using SAE 10W oil. Displacement covers .400 in3/rev. to 3.869 in3/rev. Inlet pressure: Pump inlet should not exceed 5 in. of mercury vacuum or 14 P.S.I. positive pressure. Ports: SAE straight thread O-ring boss for SP20 & SP25. Other Ports available - consult factory. (Taper pipe threads not available) Working oil: A mineral based oil with additives to resist corrosion, oxidation, and foaming is recommended. Viscosity at any running condition should be 60 SUS minimum and 250 SUS maximum. 180o F is the maximum recommended system operating temperature. Filtration: Per ISO cleanliness code level 17/14. As a minimum, 10 micron filtration is recommended. Pump acoustical data was determined in accordance with ANSI/B93.71M.