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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
Flow17.7 GPM66.8 L/min
Maximum Discharge Pressure1160 PSI80 bar
Crankshaft Speed570 RPM
Power14.1 HP10.5 KW
Max Temperature220 °F105 °C
Inlet Port Size(3) 1-1/4" BSP
Discharge Port Size(3) 1" BSP
Plunger Diameter1.42 in.36 mm
Stroke1.57 in.40 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter35 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity101 fl. oz. 3.0 L
Weight120.6 lbs.54.7 kg
NPSHR25.3 Ft.-head7.7 mWs
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 #09844
36 07137 Leakage Seal 3
38 07140 O-Ring 6
39 03344 Pressure Ring 3
40 06917 Spiral Ring 3
Valve Assembly Kit – Part #09196-0100
44A 07150 O-Ring 9
44B 06266 Support Ring 3
46A 07064-0100 Valve Seat 6
46B 07063-0100 Valve Plate 6
46C 07062-0100 Valve Spring 6
Optional Teflon Packing Kit – Part #09571
31A 06118 Oil Seal 3
32A 05596 O-Ring 3
33 06117 Compact Ring 3

Horsepower Specifications

RPM GPM 300PSI 600PSI 900PSI 1160PSI
200 6.2 1.3 2.6 3.8 5.0
300 9.3 1.9 3.8 5.8 7.4
400 12.4 2.6 5.1 7.7 9.9
500 15.5 3.2 6.4 9.6 12.4
570 17.6 3.7 7.3 11.0 14.1

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • LP121-5100HT Exploded View
  • LP121-5100HT Parts List

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • LP121-5100HT Installation Instructions
  • LP121-5100HT 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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