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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 www.P65Warnings.ca.gov

Specification US Metric
Flow1.8 GPM6.8 L/min
Maximum Discharge Pressure3200 PSI220 bar
Crankshaft Speed1450 RPM
Power4.0 HP3 KW
Max Temperature140 °F60 °C
Inlet Port Size(2) 1/2" BSP
Discharge Port Size(2) 1/4" BSP
Plunger Diameter0.47 in.12 mm
Stroke0.56 in.14.1 mm
Crankshaft Diameter0.98 in.24 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.31 in.8 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity9.5 fl. oz. 0.28 L
Weight13.9 lbs.6.3 kg
Manifold Material Special Brass
Crankcase Material Cast Iron
Plunger Material Solid Ceramic Oxide
Valve Material High Grade Stainless Steel
Seal Material Nitrile with Fabric Reinforcing
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.
ITEM# PART# DESCRIPTION Qty.
Seal Packing Kit – Part #09711
22 06717 Seal Ring, Gray 3
22A 05858 Seal Ring, Black 6
23 07770-0001 O-Ring, Viton 9
26 05861-0010 Rod Seal, Viton 3
27 05862 Guide Band 3
29 08416-0001 O-Ring, Viton 3
30 05864-0010 Rod Seal, Viton 3
39 05871-0001 O-Ring, Viton 3
40 11507-0001 O-Ring, Viton 3
Oil Seal Repair Kit – Part #09144-0010
19 08356-0010 Oil Seal 3

Horsepower Specifications

RPM GPM 500P SI 1000 PSI 2000 PSI 3200 PSI
725 0.9 0.31 0.62 1.2 2.0
900 1.1 0.38 0.76 1.5 2.4
1200 1.5 0.52 1.0 2.1 3.3
1450 1.8 0.62 1.2 2.5 4.0

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • P204-4121 Exploded View
  • P204-4121 Parts List

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • P204-4121 Installation Instructions
  • P204-4121 Repair Instructions
  • Troubleshooting Guide
  • How it Works

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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