P321
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 |
|---|---|---|
| Flow | 3.8 GPM | 14.4 L/min |
| Maximum Discharge Pressure | 3200 PSI | 220 bar |
| Crankshaft Speed | 3450 RPM | |
| Power | 8.4 HP | 6.3 KW |
| Intermittent Flow | 3.8 GPM | 14.4 L/min |
| Intermittent Discharge Pressure | 3500 PSI | 240 bar |
| Intermittent Crankshaft Speed | 3450 RPM | |
| Intermittent Power Consumption | 9.2 HP | 6.9 kW |
| Max Temperature | 160 °F | 70 °C |
| Inlet Port Size | (2) 1/2" BSP | |
| Discharge Port Size | (2) 3/8" BSP | |
| Plunger Diameter | 0.47 in. | 12 mm |
| Stroke | 0.56 in. | 14.1 mm |
| Maximum Inlet Pressure | 145 PSI | 10 bar |
| Crankshaft Diameter | 0.94 in. | 24 mm |
| Crankshaft Rotation | Top of Pulley Towards Manifold | |
| Crankshaft Mounting | Either Side | |
| Crankcase Oil Capacity US | 14.2 fl. oz. | 0.42 L |
| Extended Crankcase Oil Capacity | 17.0 fl. oz. | 0.5 L |
| Weight | 16 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 |
| ITEM# | PART# | DESCRIPTION | Qty. |
|---|---|---|---|
| Plunger Packing Kit – Part #09152 | |||
| 21 | 07234 | O-Ring | 3 |
| 22 | 12027 | O-Ring | 3 |
| 23 | 07391 | Grooved Seal Ring | 3 |
| 23A | 08598 | Grooved Seal | 3 |
| 24 | 07392 | 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 | 2000 PSI | 3200 PSI | 3500 PSI* |
|---|---|---|---|---|---|
| 3000 | 3.3 | 2.3 | 4.6 | 7.3 | 8.0 |
| 3200 | 3.5 | 2.4 | 4.8 | 7.7 | 8.4 |
| 3450 | 3.8 | 2.6 | 5.2 | 8.4 | 9.2 |
*Intermittent Duty Only
Images Open in new Window/Tab
Literature
Documents open in new window/tab.
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.