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Featured Image for GP8165

A German-made reciprocating triplex plunger pump.

Features:
Attached gearbox; spheroidal cast iron crankcase with vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; nitrile seals with fabric reinforcing; duplex steel/plastic retainer valves and nickel-plated Spheroidal cast iron manifold. Comes equipped with an integrated oil cooling system.

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
Flow105.6 GPM400 L/min
Maximum Discharge Pressure2000 PSI140 bar
Crankshaft Speed580 RPM
Power142 HP106 KW
Intermittent Flow120 GPM455 L/min
Intermittent Discharge Pressure2000 PSI140 bar
Intermittent Crankshaft Speed658 RPM
Intermittent Power Consumption166 HP123 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 bar
Crankshaft Diameter1.77 in.45 mm
Crankshaft RotationSee Literature
Crankshaft MountingEither Side
Crankcase Oil Capacity US4.2 gal 16.0 L
Weight794 lbs.360 kg
Manifold Material Nickel-Plated Spheroidal Cast Iron
Crankcase Material Spheroidal Cast Iron
Plunger Material Solid Ceramic Oxide
Valve Material Duplex 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.
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
Inlet Valve Assembly Kit – Part #09587
51 04186 Inlet Valve Assembly 3
56A 06258 O-Ring 3
Discharge Valve Kit – Part #09588
52 04188 Discharge Valve Assembly 3
56A 06258 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 2000 PSI
300 54.7 18.9 28.3 37.7 75.5
400 72.9 25.1 37.7 50.3 100.6
500 91.1 31.4 47.1 62.8 125.7
580 105.7 36.5 54.7 72.9 145.8

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP8165 Exploded View
  • GP8165 Parts List
  • GP8165 Torque Specifications

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • GP8165 Installation Instructions
  • GP8165 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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