Franklin Electric 4" Submersible Encapsulated Motors, manufactured in ISO 9001 certified facilities. These motors are built for operation in 4" diameter or larger water wells. Our 4" submersible motors (0.25 through 9.3 kW) feature the industry's widest range of voltage and frequency ratings in both 1- and 3-phase models.
It is fitted with water lubricated radial and thrust bearings for maintenance-free operation. The motor is filled with a special FES93 fluid, a special diaphragm ensures pressure compensation inside the motor.