Vertical cooling-tower circulation pump
LLT150-7.5/7.5
LLT (coaxial) · 50 Hz
LLT150-7.5/7.5 is a vertical cooling-tower circulation pump from the CNP LLT (coaxial) range (50 Hz). Rated 7.5 kW, 210–300 m³/h, head 6–9 m. Net weight 146 kg.
- Large flow, low head: 30–300 m³/h, up to 8.9 m
- Liquid temperature -15 to +100 °C, working pressure up to 6 bar
- Coaxial structure, small footprint, in-line DN65–DN150 flanges
Performance curve Curve-based
Efficiency, shaft power and NPSHr are not published for this model in the source catalogue.
Head versus flow at 50 Hz, 1450 rpm, clean water. Source: Performance table and installation dimensions, printed pp. 11-12.
| Flow (m³/h) | Head (m) |
|---|---|
| 210 | 8.9 |
| 220 | 8.5 |
| 230 | 8.2 |
| 250 | 7.5 |
| 270 | 6.8 |
| 280 | 6.4 |
| 300 | 5.6 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| A | pump length | 720 mm |
| B1 | lower section height: base to motor flange | 175 mm |
| B2 | upper section height: motor | 232 mm |
| H | overall height | 803 mm |
| A1 | mounting | 260 mm |
| A2 | mounting | 300 mm |
| d1 | mounting hole | 15 mm |
| H1 | inlet axis height | 200 mm |
| H2 | H2 | 120 mm |
| H3 | H3 | 18 mm |
| DN | inlet / outlet flange | 150 mm |
| d | flange inner bolt circle | 200 mm |
| K | bolt circle | 225 mm |
| D | flange outer diameter | 265 mm |
| alpha | α — bolt angle (°) | 22.5 mm |
| bolts | Number of flange bolts | 8 mm |
| bolt_dia | Bolt hole diameter | 18 mm |
| — | Net weight | 146 kg |