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Pressure-Pro Cat Pumps 4000 PSI 3.9 GPM Built-In Unloader And Injector

The 67DX39G1I direct drive plunger pump features a brass manifold and easy-to-service 304 stainless steel stacked valve assemblies. This is a high quality economically priced, intermittent-duty pressure washer pump.
$469.99
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4DNX27GSI Triplex Plunger Pump

The 4DNX27GSI model is a high quality, intermittent-duty pressure washer pump. It is a flange-mount pump with a 3/4" shaft. The triplex plunger pump design provides a smooth liquid flow. Its ultra-compact, hollow shaft design is ideal for direct mounting to a gas engine.

This direct drive pressure washer pump has specially formulated high pressure seals and concentric solid ceramic plungers for extended seal life. It features a stacked valve design for easy servicing. Other features include a fixed chemical injector for cleaning flexibility and a swivel garden hose fitting for easy inlet connection. An integral pressure unloader with built-in by-pass comes standard to ensure system pressure control and pump protection.

4DNX25GSI Pump Specifications:

  • Maximum flow: 3.9 GPM
  • Maximum discharge pressure: 4000 PSI
  • Maximum RPM: 3450 RPM
  • Stroke: 7.2mm
  • Inlet pressure range: flooded to 60 PSI
  • Bore: 0.551"
  • Crankcase capacity: 8.5 oz.
  • Maximum liquid temperature: 140 degrees F
  • Inlet port: 3/4" GHF
  • Accessory inlet port: 1/4" NPTF
  • Discharge port with chemical injector: 3/8" NPTM
  • Chemical injection hose barb: 1/4"
  • Shaft diameter (hollow): 1"
  • Three plunger rods (triplex design)

Assembled in the USA

 

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