Series illustration
PENTAX ULTRA A
Self-priming horizontal multistage stainless steel pump suitable for domestic use, also in combination with autoclave tanks. Suitable for irrigation, drinking water or glycol distribution, water treatment, heating and air conditioning, washing systems.
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Technical tables and curves
PENTAX · ULTRA A · 50 Hz
Select a model (4)
Select a model in the table to display its curve and data below.
| Model | Q range (m³/h) | H range (m) |
|---|---|---|
| 0–4.2 | 15–40.8 | |
| 0–4.6 | 15–52.2 | |
| 0–7 | 15–45.3 | |
| 0–7.8 | 15–56.8 |
Technical sheet
Model U 3A-90/4 / U 3A-90/4T
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
- 40.8m
- Table maximum flow
- 4.2t/h
- Midpoint
- 31.8m
At zero flow
70 l/min· at 15 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 37 · 40 · 03/2026
About this product
Description
Self-priming pumps
PENTAX ULTRA A
Description
PN.ge · PENTAX ULTRA A
Technical tables and curves · ULTRA A · 50 Hz
Performance curve (Q–H)
Performance table
| Model | Q (t/h) | 0 | 0.6 | 1.2 | 1.8 | 2.4 | 3.6 | 4.2 |
|---|---|---|---|---|---|---|---|---|
| Q (l/min) | 0 | 10 | 20 | 30 | 40 | 60 | 70 | |
| U 3A-90/4 / U 3A-90/4T | H (m) | 40.8 | 38.3 | 35.1 | 31.8 | 27.9 | 19.8 | 15 |
Q: flow; H: head at the corresponding flow.
Points come from the factory table; values between them use linear interpolation. PENTAX · Source page 37 · 40 · 03/2026