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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
Flow127 GPM480 L/min
Maximum Discharge Pressure1740 PSI120 bar
Crankshaft Speed700 RPM
Power147 HP106 KW
Max Temperature86 °F30 °C
Inlet Port Size(2) 3" BSP
Discharge Port Size(2) 1-1/4" BSP
Plunger Diameter2.55 in.65 mm
Stroke2.83 in.72 mm
Maximum Inlet Pressure29 PSI2.0 bar
Crankshaft Diameter2.76 in.70 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.55 in.14 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity US3.3 gal. 12.5 L
Weight749 lbs.340 kg
NPSHR26.2 Ft.-head8.0 mWs
Manifold Material Nickel-Plated Spheroidal Cast Iron
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.
Plunger Packing Kit – Part #09586
38A 06667 O-Ring 6
39A 05066 O-Ring 3
40 06996 Seal Ring 3
42 06997 V-Sleeve 9
Valve Assembly Kit – Part #09865
51 03572 Valve Assembly 6
56A 04955 O-Ring 3
56B 13156 O-Ring 3
Oil Seal Kit – Part #09584A
32 05058 Radial Shaft Seal 3
32A 03118 Scraper 3
33A 05056 O-Ring 3

Horsepower Specifications

RPM GPM 500 PSI 750 PSI 1000 PSI 1740 PSI
350 63.5 21.9 32.9 43.8 76.2
400 72.6 25.0 37.6 50.1 87.1
500 90.7 31.3 46.9 62.6 108.8
580 105.2 32.3 54.4 72.6 126.2
700 127.0 43.8 65.7 87.6 152.4

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP8265 Exploded View
  • GP8265 Parts List

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • GP8265 Installation Instructions
  • GP8265 Repair Instructions
  • Troubleshooting Guide

Sample Pump

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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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