
Series illustration
PENTAX ULTRA
Stainless steel multistage horizontal pumps. Pumping of clean non-loaded fluids, pressurizing system, irrigation, drinking and glycol water, water treatment, heating and air conditioning, washing system.
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Technical tables and curves
PENTAX · ULTRA · 50 Hz
Select a model (25)
Select a model in the table to display its curve and data below.
| Model | Q range (m³/h) | H range (m) |
|---|---|---|
| 0–4.8 | 4.9–20.2 | |
| 0–4.8 | 6.7–30 | |
| 0–4.8 | 10.4–40.8 | |
| 0–4.8 | 14–52.2 | |
| 0–4.8 | 18.3–62.8 | |
| 0–4.8 | 25.7–77.1 | |
| 0–8.4 | 1.8–22 | |
| 0–8.4 | 3.9–33.4 | |
| 0–8.4 | 6.4–45.3 | |
| 0–7.2 | 27.4–57.6 | |
| 0–7.2 | 32–69.1 | |
| 0–7.2 | 35.8–80.6 | |
| 0–10.2 | 8.3–24.8 | |
| 0–10.2 | 11–36.7 | |
| 0–8.4 | 28.9–49.6 | |
| 0–8.4 | 39–63.2 | |
| 0–8.4 | 48.2–76 | |
| 0–8.4 | 56.2–89 | |
| 0–14.4 | 6.5–23 | |
| 0–13.2 | 14.3–35 | |
| 0–13.2 | 17.9–45.8 | |
| 0–13.2 | 22.3–56.9 | |
| 0–24 | 7.9–23.6 | |
| 0–24 | 10.7–34.7 | |
| 0–24 | 17.8–47.1 |
Technical sheet
Model U 3-50/2 / U 3-50/2T
Performance curve
The curve covers the range of the supplied table: 0-4.8 t/h. No data is provided outside this range.
- Table maximum head
- 20.2m
- Table maximum flow
- 4.8t/h
- Midpoint
- 15.3m
At zero flow
80 l/min· at 4.9 m
1.8 t/h ·
30 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 145 · 40 · 03/2026
About this product
Description
Horizontal multistage pumps
PENTAX ULTRA

Description
PN.ge · PENTAX ULTRA
Technical tables and curves · ULTRA · 50 Hz
Performance curve (Q–H)
Performance table
| Model | Q (t/h) | 0 | 0.6 | 1.2 | 1.8 | 2.4 | 3.6 | 4.8 |
|---|---|---|---|---|---|---|---|---|
| Q (l/min) | 0 | 10 | 20 | 30 | 40 | 60 | 80 | |
| U 3-50/2 / U 3-50/2T | H (m) | 20.2 | 18.8 | 17.3 | 15.3 | 13.7 | 9.5 | 4.9 |
Q: flow; H: head at the corresponding flow.
Points come from the factory table; values between them use linear interpolation. PENTAX · Source page 145 · 40 · 03/2026

