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A German-made reciprocating triplex plunger pump for high temperature applications.

Aluminum 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; high temperature nitrile seals (with fabric reinforcing); stainless steel valves and forged brass 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

Specification US Metric
Flow3.9 GPM14.7 L/min
Maximum Discharge Pressure2200 PSI150 bar
Crankshaft Speed1420 RPM
Power5.9 HP4.4 KW
Max Temperature195 °F90 °C
Inlet Port Size(2) 1/2" BSP
Discharge Port Size(2) 3/8" BSP
Plunger Diameter0.71 in.18 mm
Stroke0.71 in.18.1 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter0.71 in.18 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity8 fl. oz. 0.24 L
Weight18 lbs.8.2 kg
Volumetric Efficiency0.96
Mechanical Efficiency0.8
NPSHR0.8 Ft.-head

Horsepower Specifications

RPM GPM 1000 PSI 1500 PSI 1700 PSI 2200 PSI
745 2.0 1.4 2.1 2.3 3.0
910 2.5 1.7 2.6 2.9 3.8
1140 3.1 2.1 3.2 3.6 4.7
1305 3.6 2.5 3.7 4.2 5.4
1420 3.9 2.7 4.0 4.5 5.9

Specification Images

Additional Drawings

  • P46W-HK Exploded View
  • P46W-HK Parts List


  • Giant Industries Limited Warranty
  • P46W-HK Installation Instructions
  • P46W-HK 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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