Submersible Motors
— NPM4 Series
— NPS6 Series
— RWK6 Series
— NRS8 Series
— NRS10 Series
NPM4 Series
The NPM4 Series rewindable oil-filled motor for use in wells with diameters equal to or greater than 4”.
FEATURES
- Coverco 4” electric motors ensure reliable operation in wells with diameters equal to or greater than 4”
- The axial and radial oil lubricated bearings allow for maintenance-free operation
- The pressure compensation inside the motor is ensured by a special membrane
ADVANTAGES
- Stator submerged in oil
- Sand protection and mechanical seal to allow for optimal operation even in the presence of sand in the well
- Excellent efficiency and low operating costs
- All motors are pre-filled with liquid and 100% tested
TECHNICAL DATA
- Rating: 0.37kW – 7.5kW
- 4” NEMA flange
- Protection rating: IP68
- Number of starts per hour: max 30
- Vertical and horizontal operation (prior authorization from our Technical Department)
- Standard rated voltage:
- Single Phase: 220V – 240V 50Hz
- Three Phase: 380V – 415V 50Hz
- Voltage tolerance: ± 10%
- Insulation Class: F
- Ambience temperature: 300C
- Cable dimensions: 4×1.5mm2
- Cooling flow rate: min. 0.08 m/sec
- Water pH: 6.5 – 8
- Thrust load: 1500N, 2500N, 4500N
SINGLE-PHASE 3-WIRE M
| HP | kW | Model No. | Voltage | Hz | S.F. | Lead Type | Thrust Rating (N) | Length A (mm) | Length C (mm) | Weight (kg) |
| 0.5 | 0.37 | 2752030252GS | 220V - 230V | 50 | 1.0 | Removable | 1500 | 327 | 365 | 7.4 |
| 0.75 | 0.55 | 2752130252GS | 220V - 230V | 50 | 1.0 | Removable | 1500 | 336 | 374 | 8 |
| 1 | 0.75 | 2752230252GS | 220V - 230V | 50 | 1.0 | Removable | 1500 | 357 | 395 | 8.5 |
| 1.5 | 1.1 | 2752330252GS | 220V - 230V | 50 | 1.0 | Removable | 1500 | 380 | 419 | 8.8 |
| 2 | 1.5 | 2752430352GS | 220V - 230V | 50 | 1.0 | Removable | 2500 | 426 | 464 | 10.8 |
| 3 | 2.2 | 2752530352GS | 220V - 230V | 50 | 1.0 | Removable | 2500 | 475 | 513 | 12.5 |
THREE-PHASE MODELS
| HP | kW | Model No. | Voltage | Hz | S.F. | Lead Type | Thrust Rating (N) | Length A (mm) | Length C (mm) | Weight (kg) |
| 2 | 1.5 | 2742460352GS | 380V-400V-415V | 50 | 1.0 | Removable | 2500 | 388 | 426 | 8.8 |
| 3 | 2.2 | 2742560352GS | 380V-400V-415V | 50 | 1.0 | Removable | 2500 | 426 | 464 | 10.8 |
| 4 | 3 | 2742660452GS | 380V-400V-415V | 50 | 1.0 | Removable | 2500 | 475 | 513 | 12.8 |
| 5.5 | 4 | 2742860452GS | 380V-400V-415V | 50 | 1.0 | Removable | 2500 | 540 | 579 | 15.5 |
| 7.5 | 5.5 | 2742960452GS | 380V-400V-415V | 50 | 1.0 | Removable | 2500 | 635 | 673 | 18.3 |
| 10 | 7.5 | 2743060452GS | 380V-400V-415V | 50 | 1.0 | Removable | 2500 | 744 | 782 | 24.3 |
