The 4" submersible motors of the NBS4 series are the latest addition to the Coverco family.
These are rewindable motors and can operate in wells with water not over 35 °C and a pH ranging between 6.5 and 8.0.
The filling liquid is a dielectric fluid, known as white oil, approved by the FDA and other international pharmacological institutes.
The coupling dimensions and flange comply with the NEMA standard, as these submersible motors are specifically designed to operate coupled with submersible deep well pumps with the same coupling dimensions.
The motors can be equipped with 1-phase and 3-phase power supply.
The 1-phase line ranges between 0.37 kW (0.5 HP) and 4.0 kW (5.5 HP), whereas the 3-phase line ranges between 0.37 kW (0.5 HP) and 7.5 kW (10 HP).
The submersible motors are mainly used in vertical installations. However, these motors can also be installed horizontally prior to confirmation from our technical department and global assessment of the required application.
Coverco motors can be installed in 4" wells with a maximum depth of 250 m.
The rewindable feature is ensured by a design that allows the motors to be disassembled and reassembled.