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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
Flow12.7 GPM48 L/min
Maximum Discharge Pressure7250 PSI500 bar
Crankshaft Speed750 RPM
Power63.5 HP47.4 KW
Max Temperature140 °F60 °C
Inlet Port Size(2) 1-1/4" BSP
Discharge Port Size(2) 3/4" BSP
Plunger Diameter0.94 in.24 mm
Stroke2.05 in.52 mm
Maximum Inlet Pressure58 PSI4 bar
Crankshaft Diameter48 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.55 in.14 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity1.6 gal 6.0 L
Weight375 lbs.170 kg
Volumetric Efficiency89%
Mechanical Efficiency83%
NPSHR83% Ft.-head
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 #09224
38B 06750 Leakage Seal 3
38C 06667 O-Ring 3
39A 07150 O-Ring 3
39B 06954 Support Ring 3
39C 07332 O-Ring 3
39D 07683 Support Ring 3
42 07685 Packing 6
43 07718 Support Ring 6
44 06956 Guide Ring 3
46 07169 Seal Ring 3
Plunger Packing Kit #09583 (pumps manufactured before 7/01)
39A 12055 O-Ring 6
39B 07693 Support Ring 6
40 13400 Grooved Seal 3
41 07718 Support Ring 3
42 07685 Packing 3
43 13410 Teflon Support Ring 3
Inlet Valve Assembly Kit – Part #09702
51B 05193 O-Ring 2
51C 05194 Inlet Valve Seat 1
51D 06761 Valve Plate 1
51E 06762 Valve Spring 1
58A 07700 O-Ring 1
58B 07693 Support Ring 1
Discharge Valve Assembly Kit – Part #09703    
51B 05193 O-Ring 1
51D 06761 Valve Plate 1
51E 06762 Valve Spring 1
52C 05195 Discharge Valve Seat 1
58A 07700 O-Ring 1
58B 07693 Support Ring 1
Oil Seal Kit – Part #09221
32 07624 Radial Shaft Seal 3
33A 07627 O-Ring 3

Horsepower Specifications

RPM GPM 3000 PSI 5000 PSI 6000 PSI 7250 PSI
300 5.1 10.5 17.5 21.0 25.4
400 6.8 14.0 23.4 28.0 33.9
550 9.3 19.3 32.1 38.5 46.6
600 10.2 21.0 35.0 42.0 50.8
650 11.0 22.8 38.0 45.5 55.0
700 11.9 24.5 40.9 49.0 59.3
750 12.7 26.3 43.8 52.6 63.5

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Specification Images

  • Specification Image (Side) Open
  • Specification Image (Front) Open

Additional Drawings

  • GP7124A-4000 Exploded View
  • GP7124A-4000 Parts List
  • GP7124A-4000 Torque Specifications

Literature

Documents open in new window/tab.

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