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An American-made triplex plunger positive displacement pump with reciprocating plungers for belt drive applications.

Aluminum crankcase with sight glass and vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; Teflon and nitrile seals with EPDM O-Rings; stainless steel valves and forged brass manifold.

WARNING: This product might contain a chemical known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to

Specification US Metric
Flow0.5 GPM1.8 L/min
Maximum Discharge Pressure2000 PSI140 bar
Crankshaft Speed750 RPM
Power0.7 HP0.5 KW
Max Temperature-17 °F0 °C
Inlet Port Size(2) 3/8" BSP
Discharge Port Size(2) 3/8" BSP
Plunger Diameter0.71 in.18 mm
Stroke0.13 in.3.4 mm
Maximum Inlet Pressure580 PSI40 bar
Crankshaft Diameter24 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity US8.1 fl. oz. 0.24 L
Weight13.2 lbs.6 kg
Manifold Material Forged Brass
Crankcase Material Aluminum
Plunger Material Solid Ceramic Oxide
Valve Material High Grade Stainless Steel
Seal Material Teflon and Nitrile with EPDM O-Rings
The repair kits listed to the right are available for this pump. If you need further information about these repair kits, or have questions about other specific parts for your pump, please contact you local Giant distributor or contact Giant customer service.
Plunger Packing Kit – Part #CP09554-0123
21 CP06815 O-Ring 3
23 CP08087 V-Sleeve, Weep 3
23A CP08087-0020 V-Sleeve, Brown 3
24 CP07904 Pressure Ring 3
Valve Assembly Kit – Part #CP09556-0123
26A CP04273 Valve Assembly, Complete 6
31 CP06817 O-Ring 6
33 CP06818 O-Ring 6
Oil Seal Kit – Part #CP09144
19 CP08356 Oil Seal 3

Horsepower Specifications

RPM GPM 500 PSI 1000 PSI 1500 PSI 2000 PSI
200 0.1 0.0 0.1 0.1 0.1
300 0.2 0.1 0.1 0.2 0.3
400 0.3 0.1 0.2 0.3 0.4
500 0.3 0.1 0.2 0.3 0.4
600 0.4 0.1 0.3 0.4 0.6
750 0.5 0.2 0.3 0.5 0.7

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • CP230 Exploded View
  • CP230 Parts List
  • CP230 Torque Specifications


Documents open in new window/tab.

  • Pump Assembly Instructions
  • Limited Warranty
  • CP230 Installation Instructions
  • CP230 Repair Instructions
  • Troubleshooting Guide

Sample Pump

Our Company

For 50 years, Giant Pumps has offered the most dependable positive displacement high-pressure triplex pumps available. Designed and built to the highest quality standards, customers count on Giant Pumps products to keep their equipment running. Every design detail of Giant Pumps products is optimized for long-life and reliable performance, making Giant Pumps the most trusted name in high-pressure pumps and systems.

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