🔧 ESPA Submersible 4" Pump ES4 02 with Coverco Motor: complete borehole assembly
Ready-to-install assembly with a 4" ESPA ES4 02 submersible hydraulic section and 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 0.75 to 2 CV.
✔ ES4 hydraulic section
- ✔ 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
⚙️ 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 converter above 30 Hz
- ✔ NEMA 4" coupling; single-phase models include an external capacitor in the kit
📊 Technical Specifications by Model
| Model | Motor | Voltage | CV | kW | Hydraulic section length (mm) | Connection |
|---|---|---|---|---|---|---|
| ES4 02/10 | Coverco 4" 0.55 kW | 1x230V | 0,75 | 0,55 | 349 | 1 1/4" |
| ES4 02/10 | Coverco 4" 0.55 kW | 3x400V | 0,75 | 0,55 | 349 | 1 1/4" |
| ES4 02/14 | Coverco 4" 0.75 kW | 1x230V | 1 | 0,75 | 418 | 1 1/4" |
| ES4 02/14 | Coverco 4" 0.75 kW | 3x400V | 1 | 0,75 | 418 | 1 1/4" |
| ES4 02/20 | Coverco 4" 1.1 kW | 1x230V | 1,5 | 1,1 | 523 | 1 1/4" |
| ES4 02/20 | Coverco 4" 1.1 kW | 3x400V | 1,5 | 1,1 | 523 | 1 1/4" |
| ES4 02/28 | Coverco 4" 1.5 kW | 1x230V | 2 | 1,5 | 702 | 1 1/4" |
| ES4 02/28 | Coverco 4" 1.5 kW | 3x400V | 2 | 1,5 | 702 | 1 1/4" |
💧 Head (m) by Flow Rate (m³/h)
| Model | 0 | 1,2 | 1,5 | 1,8 | 2,1 | 2,4 | 2,7 | 3 |
|---|---|---|---|---|---|---|---|---|
| ES4 02/10 | 62 | 58 | 56 | 52 | 47 | 41 | 36 | 29 |
| ES4 02/14 | 88 | 81 | 78 | 73 | 66 | 57 | 50 | 42 |
| ES4 02/20 | 125 | 114 | 105 | 100 | 92 | 79 | 70 | 60 |
| ES4 02/28 | 178 | 154 | 148 | 138 | 125 | 113 | 97 | 84 |
In the table, each column represents 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
