250-70-300HP Diesel/Electric Driving Self-Priming Dewatering Pump Cornell
The Cornell 250-70-300 is a robust, reliable and high performance pumping solution capable of handling the harshest of conditions with ease. Renowned for its durability and performance, the Cornell 250-70-300 is the right choice when you need a solution that will deliver day-in and day-out.
- Cycloseal sealing system
- Robust construction
- High efficiency hydraulics
- Oversize shaft and bearings
- Optional Redi-Prime Priming system
PUMP PERFORMANCE CURVE
| ENGINE SPECIFICATIONS | |
|---|---|
| Engine | Cummins QSL9 |
| PUMP SPECIFICATIONS | |
|---|---|
| Pump | Cornell 8NHT |
| Min. Flow | 90 L/s |
| Max. Flow | 300 L/s |
| Discharge Size | 254mm |
| Suction Size | 203mm |
| Solids Handling | 86mm |
| Max. Speed | 1900 rpm |
| Shut-off Head | 122 m |
| BEP Head | 77 m |
| BEP Flow | 250 L/s |
| BEP Efficiency | 82% |
| MATERIALS OF CONSTRUCTION | |
|---|---|
| Wear Ring | Cast Iron |
| Impeller | CA6NM |
| Volute | Ductile Iron |
| Shaft | 4140 Tool Steel |
| Shaft Sleeve | 416 Stainless Steel |
| Backplate | Ductile iron |
| Mechanical Seal | Tungsten Carbide vs. Silicon Carbide |
| O-Rings | Buna-N |
| Bearing Frame | Cast Iron |