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Featured Image for GP7124A-4000

A German-made reciprocating triplex plunger pump.

Features:
Spheroidal cast iron crankcase with vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; stainless plungers with hardened metal coating; aramid packing; stainless steel valves and 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
Flow12.8 GPM48.4 L/min
Maximum Discharge Pressure7400 PSI510 bar
Crankshaft Speed750 RPM
Power65.3 HP48.7 KW
Max Temperature140 °F60 °C
Inlet Port Size(2) 1-1/4" NPT
Discharge Port Size(2) 3/4" NPT
Plunger Diameter0.94 in.24 mm
Stroke2.05 in.52 mm
Maximum Inlet Pressure58 PSI4 bar
Crankshaft Diameter1.9 in.48 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.55 in.14 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity US1.7 gal 6.5 L
Weight454 lbs.206 kg
Volumetric Efficiency89
Mechanical Efficiency83
Manifold Material Machined Stainless Steel
Crankcase Material Spheroidal Cast Iron
Plunger Material Stainless Steel with Hardened Metal Coating
Valve Material Stainless Steel
Seal Material Aramid 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 #09224A
38B 06750 Leakage Gasket 3
38C 06667 O-Ring 3
39A 07150 O-Ring 6
42 07685 Packing 6
43 07718 Support Ring 6
44 06956 Guide Ring 3
46 07169 Seal Ring 3
48 05524 Circlip 3
Inlet Valve Assembly Kit – Part #09702
51B 05193 O-Ring 3
51C 05194 Inlet Valve Seat 3
51D 06761 Valve Plate 3
51E 06762 Valve Spring 3
58A 07700 O-Ring 3
58B 07693 Support Ring 3
Discharge Valve Assembly Kit – Part #09703    
52B 05193 O-Ring 3
52D 06761 Valve Plate 3
52E 06762 Valve Spring 3
52C 05195 Discharge Valve Seat 3
58A 07700 O-Ring 3
58B 07693 Support Ring 3
Oil Seal Kit – Part #09221
32 07624 Radial Shaft Seal 3
33A 07627 O-Ring 3

Horsepower Specifications

RPM GPM 5000 PSI 6000 PSI 7000 PSI 7400 PSI
400 6.8 23.5 28.3 32.8 34.7
550 9.4 32.4 38.9 45.4 48.0
600 10.2 35.2 42.2 49.2 52.1
650 11.1 38.3 45.9 53.6 56.7
700 12.0 41.4 49.7 57.9 61.2
750 12.8 44.1 53.0 61.8 65.3

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP7124A-4000 Exploded View
  • GP7124A-4000 Parts List
  • GP7124A-4000 Torque Specifications

Literature

Documents open in new window/tab.

  • Pump Assembly Instructions
  • Giant Industries Limited Warranty
  • GP714A-4000 Installation Instructions
  • GP7124A-4000 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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