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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
Flow2.5 GPM9.3 L/min
Maximum Discharge Pressure870 PSI60 bar
Crankshaft Speed900 RPM
Power0.94 HP0.7 KW
Max Temperature221 °F105 °C
Inlet Port Size(2) 1/2" BSP
Discharge Port Size(2) 3/8" BSP
Plunger Diameter0.71 in.18 mm
Stroke0.56 in.14.1 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter0.71 in.18 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity US8.8 fl. oz. 0.26 L
Weight13.9 lbs.6.3 kg
NPSHR14.8 Ft.-head4.5 mWs
Manifold Material Forged Brass
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.
Complete Plunger Packing Kit – Part #09514
31 11511 Sleeve 3
40 07234 O-Ring, Adapter 3
42 12004 O-Ring, Plug 3
49 07238 O-Ring, Rear V-Sleeve 1
50 11512 High Temp. Rear Seal 6
51 07240 Support Ring 3
Valve Assembly Kit – Part #09497
34 05593 Spring Retainer 6
35 06017-0100 Valve Spring 6
36 06016 Valve Plate 6
37 06014 Valve Seat 6
38 06015 O-Ring 6
40 07234 O-Ring, Adapter 3
42 12004 O-Ring, Inlet Plug 3
44 07035 O-Ring, Discharge Plug 3
Oil Seal Kit – Part #09202
26 07206 Radial Shaft Seal 3

Horsepower Specifications

RPM GPM GPH 200 PSI 400 PSI 600 PSI 900 PSI
385 1.05 62.9 0.14 0.29 0.43 0.65
676 1.8 110.6 0.25 0.50 0.74 1.12
900 2.5 147.3 0.34 0.69 1.03 1.55

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • P46HT Exploded View
  • P46HT Parts List
  • P46HT Torque Specifications


Documents open in new window/tab.

  • Pump Assembly Instructions
  • Giant Industries Limited Warranty
  • P46HT Installation Instructions
  • P46HT 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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