🔧 4" ESPA ES4 06 Submersible Pump with O4I Motor: Complete Borehole Set
Ready-to-install set with 4" ESPA ES4 06 submersible pump and ESPA O4I motor. Designed to pump clean water from boreholes for domestic water supply, irrigation, agriculture, and industry. Available in single-phase 230 V and three-phase 400 V versions, with power ratings from 1 to 5.5 HP.
✔ ES4 pump
- ✔ Body, suction, discharge, and shaft: AISI 304 stainless steel
- ✔ Diffusers and impellers: floating, made of technopolymer
- ✔ Seals: NBR/EPDM
- ✔ Built-in check valve
- ✔ Coupling: NEMA MG1-18.388 standard
⚙️ O4I Motor
- ✔ 4" ESPA O4I motor, 2-pole asynchronous, oil-cooled
- ✔ Housing and shaft: AISI 304 stainless steel
- ✔ IPX8 protection and class F insulation
- ✔ Continuous operation; single-phase models have built-in thermal protection
- ✔ Cable without plug and external capacitor for single-phase models
📊 Technical Table by Model
| Model | Motor | Voltage | HP | kW | Pump length (mm) | Connection |
|---|---|---|---|---|---|---|
| ES4 06/07 | O4I 100M | 1x230V | 1 | 0,75 | 390 | 2" |
| ES4 06/07 | O4I 100 | 3x400V | 1 | 0,75 | 390 | 2" |
| ES4 06/10 | O4I 150M | 1x230V | 1,5 | 1,1 | 483 | 2" |
| ES4 06/10 | O4I 150 | 3x400V | 1,5 | 1,1 | 483 | 2" |
| ES4 06/14 | O4I 200M | 1x230V | 2 | 1,5 | 607 | 2" |
| ES4 06/14 | O4I 200 | 3x400V | 2 | 1,5 | 607 | 2" |
| ES4 06/20 | O4I 300M | 1x230V | 3 | 2,2 | 831 | 2" |
| ES4 06/20 | O4I 300 | 3x400V | 3 | 2,2 | 831 | 2" |
| ES4 06/27 | O4I 400 | 3x400V | 4 | 3 | 1048 | 2" |
| ES4 06/36 | O4I 550 | 3x400V | 5,5 | 4 | 1318 | 2" |
💧 Head (m) by Flow Rate (m³/h)
| Model | 0 | 3,0 | 4,2 | 5,4 | 7,2 | 8,4 |
|---|---|---|---|---|---|---|
| ES4 06/07 | 42 | 36 | 32 | 28 | 19 | 11 |
| ES4 06/10 | 62 | 53 | 48 | 41 | 29 | 18 |
| ES4 06/14 | 90 | 77 | 71 | 63 | 46 | 28 |
| ES4 06/20 | 125 | 107 | 97 | 86 | 62 | 40 |
| ES4 06/27 | 169 | 145 | 131 | 115 | 84 | 55 |
| ES4 06/36 | 221 | 190 | 173 | 154 | 112 | 72 |
In the table, each column shows a flow rate in m³/h and the value is the head in meters.
📋 Operating Limits
- ✔ Maximum water temperature: 35 °C (motor limit)
- ✔ Suspended sand: up to 100 g/m³
