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Featured Image for GP8135A

A German-made reciprocating triplex plunger pump.

Features:
Attached gearbox; spheroidal cast iron crankcase with vented dipstick; forged, through-hardened, ground and polished crankshaft and pinion shaft; bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; nitrile seals with fabric reinforcing; 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
Flow29.1 GPM110 L/min
Maximum Discharge Pressure7250 PSI500 bar
Crankshaft Speed580 RPM
Power94.0 HP70.1 KW
Max Temperature86 °F30 °C
Inlet Port Size(2) 2" NPT
Discharge Port Size(2) 1" NPT
Plunger Diameter1.38 in.35 mm
Stroke2.83 in.72 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter1.77 in.45 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width14mm x 70mm mm
Crankshaft MountingEither Side
Crankcase Oil Capacity4.2 gal 16.0 L
Weight800 lbs.363 kg
Dimensions34x26x15 860x659x375
NPSHR8.5 mWs
Manifold Material Stainless Steel
Crankcase Material Spheroidal Cast Iron
Plunger Material Solid Ceramic Oxide
Valve Material High Grade Stainless Steel
Seal Material Nitrile with Fabric Reinforcing
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 #09707
38A 05408 O-Ring 6
39A 05617 O-Ring 3
40 05744 Sleeve 3
40A 05745 O-Ring 3
41A 05747 Guide Ring 3
42 05748 Rope Packing 6
44 05751 Support Ring 6
Inlet Valve Assembly Kit – Part #09709
51 05837 Inlet Valve Assembly 3
56A 05408 O-Ring 3
Discharge Valve Assembly Kit – Part #09710
52 05839 Discharge Valve Assembly 3
56A 05408 O-Ring 3
Optional Teflon Packing Kit – Part #09584
32 05058 Radial Shaft Seal 3
33A 05056 O-Ring 3

Horsepower Specifications

RPM GPM 1000 PSI 2500 PSI 5000 PSI 7250 PSI
300 15.1 10.4 26.0 52.1 75.5
375 18.8 13.0 32.4 64.8 94.0
500 25.1 17.3 43.3 86.6 N/A
580 29.1 20.1 50.2 N/A N/A

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP8135A Exploded View
  • GP8135A Parts List
  • GP8135A Torque Specifications

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • GP8135A Installation Instructions
  • GP8135A 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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