Attributes
| Model Number | GP5128 |
|---|---|
| Product Type | pump |
| Horsepower Chart | {"charts":[{"title":"Horsepower Specifications","columns":["RPM","GPM","1000 PSI","2000 PSI","3000 PSI","4060 PSI"],"rows":[["600","12.4","8.6","17.1","25.7","34.7"],["700","14.4","9.9","19.9","29.8","40.3"],["800","16.5","11.4","22.8","34.1","46.2"],["900","18.5","12.8","25.5","38.3","51.8"],["1000","20.6","14.2","28.4","42.6","57.7"]]}]} |
| Repair Kits | {"name":"Plunger Packing Kit","part_number":"09761","components":[{"item":"35B","part_number":"08183","description":"O-Ring","qty":"3"},{"item":"36","part_number":"13228","description":"Grooved Ring","qty":"3"},{"item":"37A","part_number":"07700","description":"O-Ring","qty":"6"},{"item":"40","part_number":"13115","description":"V-Sleeve","qty":"6"}]}, {"name":"Valve Assembly Kit","part_number":"09762","components":[{"item":"44","part_number":"07150","description":"O-Ring","qty":"6"},{"item":"46","part_number":"07060","description":"Valve Assembly","qty":"6"},{"item":"48B","part_number":"13012","description":"O-Ring","qty":"3"}]}, {"name":"Oil Seal Kit","part_number":"09230","components":[{"item":"31","part_number":"13284","description":"Oil Seal","qty":"3"}]} |
| General Documents | {"text":"Giant Industries Limited Warranty","url":"https://www.giantpumps.com/wp-content/uploads/2021/02/Giant-Industries-Limited-Warranty-172.pdf"} |
Description
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; solid ceramic plungers; nitrile seals with fabric reinforcing; stainless steel valves and nickel-plated spheroidal cast iron manifold.
Specifications
| Flow | 20.6 GPM, 78 L/min |
|---|---|
| Maximum Discharge Pressure | 4060 PSI, 280 bar |
| Crankshaft Speed | 1000 RPM |
| Power | 56.0 HP, 41.8 KW |
| Max Temperature | 140 °F, 60 °C |
| Inlet Port Size | (3) 1-1/2" NPT |
| Discharge Port Size | (2) 1" NPT |
| Plunger Diameter | 1.1 in., 28 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, 4.6 L |
| Weight | 179 lbs., 81 kg |
| Manifold Material | Nickel-Plated Spheroidal Cast Iron |
| Crankcase Material | Spheroidal Cast Iron |
| Plunger Material | Solid Ceramic Oxide |
| Valve Material | Stainless Steel |
| Seal Material | Nitrile with Fabric Reinforcing |
| Plunger Packing Kit Part # | 09761 |
| Valve Assembly Kit Part # | 09762 |
| Oil Seal Kit Part # | 09230 |