In-line single-stage circulation pump
TD50-81G/2
TD (in-line circulation) · 50 Hz
TD50-81G/2 is an in-line single-stage circulation pump from the CNP TD (in-line circulation) range (50 Hz). Rated 22 kW, 5–60 m³/h, head 77–86 m. Net weight 256 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, 2900 rpm, clean water. Source: Performance table, PDF p. 14.
| Flow (m³/h) | Head (m) |
|---|---|
| 5 | 85.5 |
| 10 | 85.3 |
| 16 | 85 |
| 20 | 84.8 |
| 25 | 84.5 |
| 30 | 84 |
| 35 | 83.5 |
| 40 | 82.8 |
| 45 | 82.1 |
| 50 | 81 |
| 60 | 77.1 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| D | D | 350 mm |
| B1 | B1 | 355 mm |
| B2 | B2 | 273 mm |
| B3 | B3 | 171 mm |
| B4 | B4 | 163 mm |
| B5 | B5 | 144 mm |
| H1 | H1 | 115 mm |
| H2 | H2 | 225 mm |
| H3 | H3 | 917 mm |
| L1 | L1 | 440 mm |
| L2 | L2 | 220 mm |
| — | Net weight | 256 kg |