7 Frame Plunger Pump

Standard Model                                                                 53,55
Gearbox Models                           51,58 , 51G1, 58G1,58G118

Other Models                                                               530 , 550

Standard Models                                                       56,57,59,60
Gear Box Models                                            56G1,59G1, 60G1
 

FEATURES

 Superior Design

  • Triplex plunger provides smoother liquid flow.
  • Hi-Pressure Seals or V-Packings are completely lubricated and cooled by the liquid being pumped.
  • Lubricated Lo-Pressure Seals provide double protection against external leakage.
  • Oil bath crankcase assures optimum lubrication.
  • Close tolerance concentricity of the ceramic plunger maximizes seal life.
  • Optional Gearbox version for direct mounting to gas engine.

Quality Materials

  • Precision design 304 stainless steel valves and seats are hardened and polished for ultimate seating and extended seal life.
  • Forged brass manifold for strength and corrosion resistance.
  • Special concentric, high-density, polished, solid ceramic plungers provide a true wear surface and extended seal life.
  • Specially formulated, CAT PUMP exclusive, Hi-Pressure Seals or V-Packings offer unmatched performance and seal life.
  • Die cast aluminum crankcase provides high strength, minimum weight and precision tolerance control.
  • Chrome-moly crankshaft gives unmatched strength and surface hardness.
  • Oversized crankshaft bearings with greater loading capacity mean longer bearing life.

Easy Maintenance

  • Wet-end is easily serviced without entering crankcase, requiring less time and effort.
  • Inlet and discharge valve assemblies interchange for easier maintenance without disturbing piping.
  • Preset packings mean no packing gland adjustment is necessary, reducing maintenance costs.