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CAT Pumps - 331 - 4FR1 Piston, DS, 4.0/1200, 1070 RPM, SS/S-Valves
CAT Pump 331 - 4 Frame Piston Pump
CAT Pump 331 - 4 Frame Piston Pump
  
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CAT Pressure Washer Pump
List Price: $3,557.00
Our Price: $3,557.00
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Availability:: In Stock
Product Code: 331
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Description Recommended Accessories / Additional Info
 
CAT Pump 331 - 4 Frame Piston Pump, DS, 4.0/1200, 1070 RPM, SS/S-Valves.

• The CAT Pump 331 has Triplex Uniflow design provides continuous forward liquid flow for smooth operation.
• Wetted cups and floating pistons are lubricated and cooled by pumped liquid for long cup life.
• Mechanically actuated inlet valves give strong lift and easy prime on this CAT Pump 331.
• 304 stainless steel discharge valves for wear resistance.
• Oil bath crankcase assures optimum lubrication.
• 100% wetted seal
Features
  • Flow ....................................................................4.0 GPM (15 L/M)
  • Pressure Range ......................................100 to 1200 PSI (7 to 85 BAR)
  • RPM.................................................................1070 RPM (1070 RPM)
  • Stroke .....................................................................0.768" (19.5 mm)
  • Crankcase Capacity ................................................21 oz. (0.6 L)
  • Maximum Liquid Temperature...................................160° (71°C)
  • Above 130°F call CAT PUMPS for inlet conditions and elastomer recommendations.
  • Inlet Pressure Range ..............................– 8.5 to +40 PSI (– 0.6 to +2.8 BAR)
  • Inlet Ports (1)....................................................1/2" NPTF (1/2" NPTF)
  • Auxiliary Port (1)...............................................1/4" NPTF (1/4" NPTF)
  • Discharge Ports (2) ..........................................3/8" NPTF (3/8" NPTF)
  • (1) ..........................................1/2" NPTF (1/2" NPTF)
  • Pulley Mounting...............................................Either Side (Either Side)
  • Shaft Diameter....................................................... 0.650" (16.5 mm)
  • Weight .................................................................17.7 lbs. (8.0 kg)
  • Dimensions..........................................12.56 x 8.8 x 5.33" (319 x 223 x 135.5mm)

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