Skip to main content
Service
Pumps
Contact
Search
Featured Image for GP5120

A German-made reciprocating triplex plunger pump.

Features:
Spheroidal cast iron crankcase with sight glass and vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; special ceramic plungers; Aramid/Teflon packing; stainless steel valves; machined stainless steel 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 www.P65Warnings.ca.gov

Specification US Metric
Flow10.5 GPM40 L/min
Maximum Discharge Pressure8700 PSI600 bar
Crankshaft Speed1000 RPM
Power63.3 HP47.2 KW
Max Temperature140 °F60 °C
Inlet Port Size(2) 3/4" BSP
Discharge Port Size(2) 1/2" BSP
Plunger Diameter0.79 in.20 mm
Stroke1.81 in.46 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter1.38 in.35 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity US1.2 gal 4.4 L
Weight176 lbs.80 kg
Manifold Material Stainless Steel
Crankcase Material Spheroidal Cast Iron
Plunger Material Special Ceramic
Valve Material High Grade Stainless Steel
Seal Material Aramid/Teflon Packing
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 #09784
32 13037 Grooved Ring 3
32A 08346 Support Ring 3
36 07023 O-Ring 3
38 07303 O-Ring 3
39 04492 Grooved Ring 3
41 03553 Spiral Ring 3
41A 04475 Guide Ring 3
44 07150 O-Ring 3
45 04493 Support Ring 3
47 06266 Support Ring 3
48 07150 O-Ring 3
Valve Assembly Kit – Part #09787
47 06266 Support Ring 3
48 07150 O-Ring 3
51 04513 Valve Assembly 6
53 05972 O-Ring 3
Oil Seal Kit – Part #09230
31 13284 Oil Seal 3

Horsepower Specifications

RPM GPM 5000 PSI 6000 PSI 7000 PSI 8000 PSI 8700 PSI
500 5.3 18.3 21.9 25.6 29.2 31.8
600 6.4 22.1 26.5 30.9 35.3 38.4
700 7.4 25.5 30.6 35.7 40.8 44.4
800 8.5 29.3 35.2 41.0 46.9 46.9
900 9.5 32.8 39.3 45.9 52.4 57.0
1000 10.6 36.6 43.9 51.2 58.5 63.6

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP5120 Exploded View
  • GP5120 Parts List
  • GP5120 Torque Specifications

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • GP5120 Installation Instructions
  • GP5120 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.

Learn More

Join Our Newsletter

Get the latest updates from Giant Pumps delivered right to your inbox!

Subscribe to the Giant Newsletter

Back to Top