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Featured Image for P221A-5100

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

Features:
Anodized 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 316 stainless steel manifold.

Options:
Gearbox and bell housings (to connect to gasoline, diesel, electric or hydraulic drive), couplers (aluminum or Delrin).

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
Flow2.3 GPM8.9 L/min
Maximum Discharge Pressure2200 PSI150 bar
Crankshaft Speed1750 RPM
Power3.5 HP2.6 KW
Flow (High Speed)4.6 GPM17.6 L/min
Maximum Discharge Pressure (High Speed)2200 PSI150 bar
Power Consumption (High Speed)7.0 HP5.2 KW
Crankshaft Speed (High)3450 RPM
Max Temperature160 °F70 °C
Inlet Port Size(2) 1/2" BSP
Discharge Port Size(2) 3/8" BSP
Plunger Diameter0.71 in.18 mm
Stroke0.28 in.7 mm
Maximum Inlet Pressure90 PSI6.2 bar
Crankshaft Diameter24 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.31 in.8 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity US8.1 fl. oz. 0.24 L
Weight13.25 lbs.6 kg
Manifold Material 316 Stainless Steel
Crankcase Material Aluminum
Plunger Material Solid Ceramic Oxide
Valve Material 316TI 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 #09756
21 08443 O-Ring 3
23 06704 Grooved Seal 3
23A 08087 Grooved Seal Ring 3
23B 06163 Drip Shield 3
24 07904 Pressure Ring 3
Valve Assembly Kit – Part #09139-0011
26A 03469 Valve Assembly 6
31 07853-0001 O-Ring 6
33 07913-0001 O-Ring 6
Oil Seal Kit – Part #09144
19 08356 Oil Seal 3

Horsepower Specifications

RPM GPM 1000 PSI 1500 PSI 2200 PSI
1450 2.0 1.4 2.1 3.0
1750 2.3 1.7 2.5 3.5
3000 4.1 2.8 4.2 6.2
3200 4.3 3.0 4.4 6.5
3450 4.7 3.2 4.9 7.1

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • P221A-5100 Exploded View
  • P221A-5100 Parts List
  • P221A-5100 Torque Specifications

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • P221A-5100 Installation Instructions
  • P221A-5100 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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