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Featured Image for MP4126

A German-made reciprocating triplex plunger pump.

Features:
Spheroidal cast iron crankcase with sight glass and vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; nitrile seals (with fabric reinforcing); stainless steel valves and cast bronze 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
Flow17.9 GPM67.7 L/min
Maximum Discharge Pressure1600 PSI110 bar
Crankshaft Speed1100 RPM
Power20.4 HP15.2 KW
Max Temperature160 °F70 °C
Inlet Port Size(2) 1" NPT
Discharge Port Size(2) 3/4" NPT
Plunger Diameter1.18 in.30 mm
Stroke1.18 in.30 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter28 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity33.8 fl. oz. 1.0 L
Weight66 lbs.31 kg
Manifold Material Aluminum Bronze
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 #09042
35B 07272 V-Sleeve 3
40 07272 V-Sleeve 3
42B 07354 O-Ring, Tension Plug 3
Valve Assembly Kit – Part #09809
42B 07354 O-Ring, Tension Plug 3
44 07280 Valve Seat 6
44A 07281 O-Ring, Valve Seat 6
45 06791-0100 Valve Plate 6
46 07283 Valve Spring, Discharge 3
46A 07283 Valve Spring, Inlet 3
48A 07332 O-Ring, Tension Plug 3
53 07332 O-Ring 3

Horsepower Specifications

RPM GPM 500 PSI 1000 PSI 1250 PSI 1600 PSI
660 10.7 3.7 7.4 9.2 11.8
715 11.65 4.0 8.0 10.0 12.85
900 14.6 5.0 10.1 12.6 16.1
1030 16.8 5.8 11.6 14.5 18.5
1100 17.9 6.2 12.3 15.4 19.8

Images Open in new Window/Tab

Specification Images

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

Additional Drawings

  • MP4126 Exploded View
  • MP4126 Parts List
  • MP4126 Torque Specifications

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • MP4126 Installation Instructions
  • MP4126 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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