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Featured Image for GP5145-HS

A German-made reciprocating triplex plunger pump.

Features:
Spheroidal cast iron crankcase with SAE-C hydraulic mount, sight glass and vented dipstick; forged, through-hardened, ground and polished crankshaft (hollow shaft); bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; nitrile seals with fabric reinforcing; stainless steel valves and nickel-plated spheroidal cast iron 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
Flow43.5 GPM164.6 L/min
Maximum Discharge Pressure1450 PSI100 bar
Crankshaft Speed750 RPM
Power45.0 HP33.6 KW
Max Temperature140 °F60 °C
Inlet Port Size(2) 1-1/2" NPT
Discharge Port Size(2) 1" NPT
Plunger Diameter1.7 in.45 mm
Stroke1.7 in.46 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft BoreSAE-C Flange, C32 (ΓΈ31, 75)
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity1.21 gal 4.6 L
Weight179 lbs.81 kg

Horsepower Specifications

RPM GPM 1000 PSI 1100 PSI 1200 PSI 1500 PSI
550 31.9 22 24.2 28.6 33
600 34.9 24.1 26.5 31.3 36.1
650 37.8 26 28.7 33.9 39.1
700 40.6 28 30.8 36.4 42
750 43.3 29.9 32.8 38.8 44.8

Specification Images

Literature

  • Giant Industries Limited Warranty
  • Troubleshooting Guide

Materials

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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