💧 ESPA Acuaria 37 Submersible Pump: stainless steel multistage pump for wells and reservoirs
The ESPA Acuaria 37 is a multistage submersible centrifugal pump for clean water, for domestic, industrial, agricultural and garden use. Suitable for open wells, tanks and reservoirs. It delivers flow rates of up to 8.6 m³/h and heads of up to 85 m, depending on the model.
🔩 Materials
- ✔ Pump casing, filter and impellers: in AISI 304 stainless steel; suction and discharge in cast iron
- ✔ Shaft: in AISI 431
- ✔ Diffusers: in technopolymer
- ✔ Seals: double mechanical seal and NBR/EPDM gaskets
🧰 Equipment
- ✔ Cable: 15 m without plug; single-phase models have an external capacitor
- ✔ Check valve: not included
- ✔ Outlet: 1 1/2”
⚙️ Motor
- ✔ Motor: 2-pole asynchronous, water-cooled
- ✔ Protection: IPX8, class F insulation
- ✔ Duty: continuous; single-phase models have built-in thermal protection
📋 Operating Limits
- ✔ Temperature: maximum water temperature 40 °C
- ✔ Submersion: maximum 12 m
📊 Technical Table by Model
| Model | V | HP | P2 kW | P1 kW | A | µF | Height mm | Ø mm | kg |
|---|---|---|---|---|---|---|---|---|---|
| Acuaria 37 4 M | 1x230V | 1,5 | 1,1 | 2 | 9,2 | 30 | 623 | 152 | 27,6 |
| Acuaria 37 4 T | 3x400V | 1,5 | 1,1 | 1,9 | 3,3 | - | 623 | 152 | 27,6 |
| Acuaria 37 6 T | 3x400V | 3 | 2,2 | 3 | 5,3 | - | 672 | 152 | 30,6 |
💧 Head (m) by Flow Rate (m³/h)
| Model | 1,2 | 2,4 | 3,6 | 6,0 | 7,2 | 8,4 | 8,6 |
|---|---|---|---|---|---|---|---|
| Acuaria 37 4 | 56 | 53 | 51 | 41 | 35 | 29 | 22 |
| Acuaria 37 6 | 85 | 81 | 77 | 65 | 56 | 46 | 37 |
In the table, each column shows a flow rate in m³/h and the value is the head in meters.
🔤 How to Read the Reference
- ✔ 4, 6: number of stages (impellers); more stages mean greater head
- ✔ M: single-phase, 230 V
- ✔ T: three-phase, 400 V
