Description GRACO 238108 Universal 6:1 Oil Pump 425 Fire-Ball (Pump Only) The Fire-Ball 425 is perfect for fluid oil transfer in high volume and longer distance applications such as truck shop service fleet facilities and in-plant applications. Corrosion-resistant design utilizes liquid salt nitriding, nickel plating, stainless steel, aluminum and chrome on key components for longer life Few moving parts in the air motor assembly means less downtime and low repair cost Displacement rods have minimal wear due to a proprietary Graco manufacturing process Large air porting design provides efficient use of compressed air supply for continuous pump operation without icing Features & Benefits In-line design with fewer parts for less pump wear. Differential air motor ensures smooth pumping. Double-acting pump provides reliable fluid flow Materials: Motor Oil Gear Oil Hydraulic Fluid ATF Oil Grease Specifications: Maximum working pressure 1100 psi Fluid pressure ratio 6:1 Air operating range 40 to 180 psi Air consumption 7 ft³/min per gallon pumped (0.051 m³/min per liter pumped) at 100 psi (7 bar, 0.7 MPa) Pump cycles per gallon (liter) 14.5 gallons Maximum recommended pump speed 78 cycles/min; 6 gpm Recommended speed for optimum pump life 15 to 25 cycles per min Piston seals polyurethane with nitrile spreader Rod seals polyurethane with nitrile spreader Wetted parts aluminum, steel, polyurethane, nitrile Approximate weight 35 lb * Sound pressure level 79.5 dB(A) * Sound pressure measured at 30 cycles per minute at 100 psi (7 bar, 0.7 MPa) air inlet pressure per ISO Standard 3744 NOTE: Repair kit for this pump is part # 238225 (sold separately)
