AC Induction MotorsWD Series stainless steel enclosed AC induction motors are available in eight standard frame sizes. For washdown applications where the motor is not normally submerged, the units are supplied with cooling fans. For marine or nuclear applications where submerged motors are cooled by the surrounding water, fans are not supplied. Pressure compensated motors operate in ocean depths to 2500ft. Custom versions for use in reactor pools have also been produced.