In-line single-stage circulation pump
TD250-16/4
TD (in-line circulation) · 50 Hz
TD250-16/4 is an in-line single-stage circulation pump from the CNP TD (in-line circulation) range (50 Hz). Rated 30 kW, 150–600 m³/h, head 13–21 m. Net weight 550 kg.
- Eleven sizes, DN32 to DN300, flow up to about 900 m³/h
- Head up to about 100 m, 2-pole and 4-pole motors
- Liquid from -15 to +110 °C, working pressure 12 bar (16 bar special)
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, 1480 rpm, clean water. Source: Performance table, PDF p. 24.
| Flow (m³/h) | Head (m) |
|---|---|
| 150 | 20.5 |
| 200 | 20.4 |
| 250 | 20.1 |
| 300 | 19.6 |
| 350 | 19 |
| 400 | 18.2 |
| 450 | 17.3 |
| 500 | 16 |
| 550 | 14.7 |
| 600 | 13.3 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| D | D | 400 mm |
| B1 | B1 | 397 mm |
| B2 | B2 | 314 mm |
| B3 | B3 | 316 mm |
| B4 | B4 | 243 mm |
| B5 | B5 | 390 mm |
| H1 | H1 | 300 mm |
| H2 | H2 | 465 mm |
| H3 | H3 | 1417 mm |
| L1 | L1 | 1100 mm |
| L2 | L2 | 550 mm |
| — | Net weight | 550 kg |