НУВ 450/120
Coal pump NUV-450 (U450-120)
The NUV 450/120 high-head coal pump is designed for pumping chemically neutral coal-water slurry (pH = 6÷8) with a maximum particle size of 70 mm, a solid-to-liquid mass ratio of no more than 1:3, and a rock content in the solid phase of 15 % to 40 %, at temperatures from +1 °C to +50 °C.

Technical specifications and permit for use
Manufactured in Ukraine by GORMAK in accordance with
ТУ У 28.1-38164000-003:2013PUMPS AND ELECTRIC PUMP UNITS BASED ON THEM
The company holds Permit No. 0027.21.94 issued by the State Labour Service of Ukraine for the use of pumps and units based on them manufactured in accordance with these technical specifications.
Technical specifications
| Parameter | Unit | Value |
|---|---|---|
| Flow rate | m³/h | 450 |
| Head | m | 120 |
| Permissible suction lift | m | 7,3 |
| Efficiency, min. | % | 65 |
| Recommended motor power, max. | kW | 245 |
| Rotation speed | rpm | 1485 |
| Line frequency | Hz | 50 |
| Supply voltage | V | 6000 |
| Suction port diameter | mm | 250 |
| Discharge port diameter | mm | 140 |
| Overall dimensions (L × W × H) | mm | 1862 × 985 × 1026 |
| Mass, max. | kg | 2000 |
| Maximum particle size | mm | 70 |
| Solid-to-liquid mass ratio, max. | — | 1:3 |
| Rock content in solid phase | % | 15–40 |
| pH value | — | 6–8 |
| Medium temperature | °C | +1…+50 |
Repair and servicing for this equipment
- Slurry pump and coal pump repair
Repair of slurry and coal pumps, including wetted-end restoration with a silicon-carbide composite.



