
Series illustration
PENTAX CM /E
Single-impeller centrifugal pump, extremely quiet, suitable for domestic, civil and industrial applications. The pump guarantees constant pressure at the variation of flow rates.
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Technical tables and curves
PENTAX · CM · 50 Hz
Select a model (10)
Select a model in the table to display its curve and data below.
| Model | Q range (m³/h) | H range (m) |
|---|---|---|
| 0–4.2 | 8.9–19.3 | |
| 0–5.4 | 12–21.5 | |
| 0–5.4 | 17.5–26.5 | |
| 0–5.4 | 21.5–30 | |
| 0–5.4 | 25.2–33 | |
| 0–6.6 | 27.2–39.4 | |
| 0–7.2 | 35.5–46.3 | |
| 0–7.8 | 39.2–53.2 | |
| 0–18 | 32.5–45.2 | |
| 0–21 | 38.4–54.1 |
Technical sheet
Model CM 45 / CMT 45
Performance curve
The curve covers the range of the supplied table: 0-4.2 t/h. No data is provided outside this range.
- Table maximum head
- 19.3m
- Table maximum flow
- 4.2t/h
- Midpoint
- 15m
At zero flow
70 l/min· at 8.9 m
2.4 t/h ·
40 l/minat
Table values
| t/h | |||||
|---|---|---|---|---|---|
| l/min | |||||
| Head, m |
Select a number in the table to see the corresponding point.
Points come from the factory table; values between them use linear interpolation. PENTAX · 50 Hz · Source page 55 · 40 · 03/2026
About this product
Description
Threaded centrifugal pumps
PENTAX CM /E

Description
PN.ge · PENTAX CM /E
Technical tables and curves · CM · 50 Hz
Performance curve (Q–H)
Performance table
| Model | Q (t/h) | 0 | 1.2 | 2.4 | 3.6 | 4.2 |
|---|---|---|---|---|---|---|
| Q (l/min) | 0 | 20 | 40 | 60 | 70 | |
| CM 45 / CMT 45 | H (m) | 19.3 | 17.4 | 15 | 11.3 | 8.9 |
Q: flow; H: head at the corresponding flow.
Points come from the factory table; values between them use linear interpolation. PENTAX · Source page 55 · 40 · 03/2026



