GP7128
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; stainless plungers with hardened metal coating; nitrile seals with fabric reinforcing; stainless steel valves and 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 | 17.9 GPM | 67.7 L/min |
| Maximum Discharge Pressure | 5800 PSI | 400 bar |
| Crankshaft Speed | 750 RPM | |
| Power | 71.4 HP | 53.2 KW |
| Max Temperature | 140 °F | 60 °C |
| Inlet Port Size | (2) 1-1/4" NPT | |
| Discharge Port Size | (2) 3/4" NPT | |
| Plunger Diameter | 1.1 in. | 28 mm |
| Stroke | 2.1 in. | 52 mm |
| Maximum Inlet Pressure | 145 PSI | 10 bar |
| Crankshaft Diameter | 1.9 in. | 48 mm |
| Crankshaft Rotation | Top of Pulley Towards Manifold | |
| Key Width | 0.6 in. | 14 mm |
| Crankshaft Mounting | Either Side | |
| Crankcase Oil Capacity US | 1.6 gal | 6.0 L |
| Weight | 375 lbs. | 170 kg |
| Manifold Material | Stainless Steel | |
| Crankcase Material | Spheroidal Cast Iron | |
| Plunger Material | Stainless Steel with Hardened Metal Coating | |
| Valve Material | Stainless Steel | |
| Seal Material | Nitrile with Fabric Reinforcing |
| ITEM# | PART# | DESCRIPTION | Qty. |
|---|---|---|---|
| Plunger Packing Kit – Part #09464 | |||
| 38A | 12055 | O-Ring, Seal case | 3 |
| 38B | 07693 | Support Ring | 3 |
| 38C | 07354 | O-Ring | 3 |
| 38D | 12056 | Support Ring | 3 |
| 39A | 13228 | Grooved Ring | 3 |
| 42 | 13369 | V-Sleeve | 6 |
| 43 | 06862 | Sleeve Support Ring | 3 |
| Valve Assembly Kit – Part #09520 | |||
| 51B | 05193 | O-Ring | 3 |
| 51C | 04725 | Inlet Valve Seat | 3 |
| 51D | 13130 | Valve Plate | 3 |
| 51E | 07062-0100 | Valve Spring | 3 |
| 52B | 05193 | O-Ring | 3 |
| 52C | 04726 | Discharge Valve Seat | 3 |
| 52D | 13130 | Valve Plate | 3 |
| 52E | 07062-0100 | Valve Spring | 3 |
| 58A | 07700 | O-Ring | 3 |
| 58B | 07693 | Support Ring | 3 |
| Oil Seal Kit – Part #09221 | |||
| 32 | 07624 | Radial Shaft Seal | 3 |
| 33A | 07627 | O-Ring | 3 |
Horsepower Specifications
| RPM | GPM | 3000 PSI | 4000 PSI | 5000 PSI | 5800 PSI |
|---|---|---|---|---|---|
| 300 | 7.2 | 14.9 | 19.9 | 24.8 | 28.8 |
| 400 | 9.5 | 19.9 | 26.5 | 33.1 | 38.4 |
| 550 | 13.1 | 27.1 | 36.1 | 45.2 | 52.4 |
| 600 | 14.3 | 29.6 | 39.5 | 49.3 | 57.2 |
| 650 | 15.5 | 32.1 | 42.8 | 53.5 | 62.0 |
| 700 | 16.7 | 34.6 | 46.1 | 57.6 | 66.8 |
| 750 | 17.9 | 37.0 | 49.4 | 61.7 | 71.6 |
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.