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An American-made triplex plunger positive displacement pump with reciprocating plungers for direct or belt drive applications.

Features:
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; nitrile seals (with fabric reinforcing); stainless steel valves and forged brass manifold.

Options:
Gearbox and bell housings (to connect to gasoline, diesel, electric or hydraulic drive), couplers (aluminum or Delrin), unloader/regulator, fixed or adjustable chemical injector, thermal relief valve and pulsator valve.

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
Flow4.8 GPM18.2 L/min
Maximum Discharge Pressure2000 PSI140 bar
Crankshaft Speed1450 RPM
Power6.6 HP4.9 KW
Flow (High Speed)5.8 GPM22 L/min
Maximum Discharge Pressure (High Speed)1000 PSI70 bar
Power Consumption (High Speed)4 HP3 KW
Max Temperature160 °F70 °C
Inlet Port Size(2) 1/2" BSP
Discharge Port Size(2) 3/8" BSP
Plunger Diameter0.79 in.20 mm
Stroke0.56 in.14.1 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter24 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity14.2 fl. oz. 0.42 L
Extended Crankcase Oil Capacity17.0 fl. oz. 0.5 L
Crankcase Oil Capacity (Vertical) US17.0 fl. oz. 0.5 L
Weight16 lbs.7.3 kg
Manifold Material Forged Brass
Crankcase Material Aluminum Die Cast
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 #09145
21 07780 O-Ring 3
22 12027 O-Ring 3
23 08358 Grooved Seal 6
24 08346 Pressure  Ring 3
Valve Assembly Kit – Part #09116
31 07853 O-Ring 6
32x 07946A Valve Assembly Complete 6
33 07913 O-Ring 6
Oil Seal Kit – Part #09144
19 08356 Oil Seal 3

Horsepower Specifications

RPM GPM 1000 PSI 1100 PSI 1500 PSI 1750 PSI 2000 PSI 2200 PSI
810 2.8 1.9 2.1 2.9 3.4 3.9 4.3
1080 3.8 2.6 2.9 3.9 4.6 5.2 5.8
1450 5.1 3.5 3.9 5.3 6.2 47.0 7.7
1750 6.2 4.3 4.7

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Specification Images

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

Additional Drawings

  • P318 Exploded View
  • P318 Parts List
  • P318 Torque Specifications

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • P318 Installation Instructions
  • P318 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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