🔧 ESPA ES4 06 4" Submersible Electric Pump with Coverco Motor: complete borehole set
Ready-to-install set with a 4" ESPA ES4 06 submersible hydraulic section and a Coverco 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 hydraulic section
- ✔ Body, intake, 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
⚙️ Coverco Motor
- ✔ Coverco 4" motor, oil-filled, rewindable
- ✔ Construction: AISI 304 stainless steel sleeve
- ✔ Insulation class F; voltage tolerance +6% / -10%
- ✔ Starts: up to 30 per hour, spaced apart
- ✔ Installation vertically or horizontally; compatible with a frequency inverter above 30 Hz
- ✔ NEMA 4" coupling; for single-phase models, the external capacitor is included in the kit
📊 Technical Table by Model
| Model | Motor | Voltage | HP | kW | Hydraulic section length (mm) | Connection |
|---|---|---|---|---|---|---|
| ES4 06/07 | Coverco 4" 0.75 kW | 1x230V | 1 | 0,75 | 390 | 2" |
| ES4 06/07 | Coverco 4" 0.75 kW | 3x400V | 1 | 0,75 | 390 | 2" |
| ES4 06/10 | Coverco 4" 1.1 kW | 1x230V | 1,5 | 1,1 | 483 | 2" |
| ES4 06/10 | Coverco 4" 1.1 kW | 3x400V | 1,5 | 1,1 | 483 | 2" |
| ES4 06/14 | Coverco 4" 1.5 kW | 1x230V | 2 | 1,5 | 607 | 2" |
| ES4 06/14 | Coverco 4" 1.5 kW | 3x400V | 2 | 1,5 | 607 | 2" |
| ES4 06/20 | Coverco 4" 2.2 kW | 3x400V | 3 | 2,2 | 831 | 2" |
| ES4 06/27 | Coverco 4" 3 kW | 3x400V | 4 | 3 | 1048 | 2" |
| ES4 06/36 | Coverco 4" 4 kW | 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: 30 °C (motor limit)
- ✔ Maximum depth: 250 m (motor)
- ✔ Suspended sand: up to 100 g/m³
