In-line single-stage circulation pump
TD125-28/4
TD (in-line circulation) · 60 Hz
TD125-28/4 is an in-line single-stage circulation pump from the CNP TD (in-line circulation) range (60 Hz). Rated 18.5 kW, 20–200 m³/h, head 23–30 m. Net weight 321 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 60 Hz, 1750 rpm, clean water. Source: Performance table, PDF p. 33.
| Flow (m³/h) | Head (m) |
|---|---|
| 20 | 30.4 |
| 40 | 30.2 |
| 60 | 30.1 |
| 80 | 29.9 |
| 100 | 29.4 |
| 120 | 28.6 |
| 140 | 28 |
| 150 | 27.3 |
| 160 | 26.6 |
| 180 | 24.5 |
| 200 | 22.5 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| D | D | 350 mm |
| B1 | B1 | 330 mm |
| B2 | B2 | 255 mm |
| B3 | B3 | 236 mm |
| B4 | B4 | 208 mm |
| B5 | B5 | 230 mm |
| H1 | H1 | 215 mm |
| H2 | H2 | 298 mm |
| H3 | H3 | 1090 mm |
| L1 | L1 | 800 mm |
| L2 | L2 | 400 mm |
| — | Net weight | 321 kg |