GP5122
A German-made reciprocating triplex plunger pump.
Features:
Spheroidal cast iron crankcase with sight glass and vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; special ceramic plungers; Aramid/Teflon packing; stainless steel valves; machined stainless steel 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 www.P65Warnings.ca.gov
| Specification | US | Metric |
|---|---|---|
| Flow | 11.9 GPM | 45 L/min |
| Maximum Discharge Pressure | 7250 PSI | 500 bar |
| Crankshaft Speed | 930 RPM | |
| Power | 59.0 HP | 44.0 KW |
| Max Temperature | 140 °F | 60 °C |
| Inlet Port Size | (2) 3/4" BSP | |
| Discharge Port Size | (2) 1/2" BSP | |
| Plunger Diameter | 0.87 in. | 22 mm |
| Stroke | 1.81 in. | 46 mm |
| Maximum Inlet Pressure | 145 PSI | 10 bar |
| Crankshaft Diameter | 1.38 in. | 35 mm |
| Crankshaft Rotation | Top of Pulley Towards Manifold | |
| Crankshaft Mounting | Either Side | |
| Crankcase Oil Capacity US | 1.2 gal | 4.4 L |
| Weight | 176 lbs. | 80 kg |
| NPSHR | 27.9 Ft.-head | 8.5 mWs |
| Manifold Material | Stainless Steel | |
| Crankcase Material | Spheroidal Cast Iron | |
| Plunger Material | Special Ceramic | |
| Valve Material | High Grade Stainless Steel | |
| Seal Material | Aramid/Teflon Packing |
The repair kits listed below 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 #09785 | |||
| 32 | 06249 | Grooved Ring Set | 3 |
| 36 | 07023 | O-Ring | 3 |
| 38 | 07303 | O-Ring | 3 |
| 39 | 04503 | Guide Ring | 3 |
| 41 | 04504 | Spiral Ring | 3 |
| 44 | 12055 | O-Ring | 3 |
| 45 | 07693 | Support Ring | 3 |
| 47 | 06266 | Support Ring | 3 |
| 48 | 07150 | O-Ring | 3 |
| Valve Assembly Kit – Part #09787 | |||
| 47 | 06266 | Support Ring | 3 |
| 48 | 07150 | O-Ring | 3 |
| 51 | 04513 | Valve Assembly | 6 |
| 53 | 05972 | O-Ring | 3 |
| Oil Seal Kit – Part #09230 | |||
| 31 | 13284 | Oil Seal | 3 |
Horsepower Specifications
| RPM | GPM | 3625 PSI | 5000 PSI | 6000 PSI | 7250 PSI |
|---|---|---|---|---|---|
| 500 | 6.4 | 16.0 | 22.1 | 26.5 | 32.0 |
| 600 | 7.7 | 19.3 | 26.6 | 31.9 | 38.5 |
| 700 | 9.0 | 22.5 | 31.0 | 37.2 | 45.0 |
| 800 | 10.2 | 25.5 | 35.2 | 42.2 | 51.0 |
| 850 | 10.9 | 27.3 | 37.6 | 45.1 | 54.5 |
| 930 | 11.9 | 29.8 | 41.0 | 49.2 | 59.5 |
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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.