Dahra engineering manufactures a wide range of special purpose motors for different applications. These motors are: flange mounting or combined foot cum flange mounting motors; dust! weather/hose proof motors; two speed motors; dual voltage motors; double/special shaft extension motors; special voltage motors; 60 and 400 hz frequency motors; motor with space heaters and thermistors; class `f` and `h` motors; 600 rpm motors; brake motors; vibro motors; motors for defence use; high torque motors; tefc enclosure to ip 55 electric motors; and motors with epoxy paint. These motors have high hp to weight ratio, and are suitable for all common industrial machine tools, compressors, blowers, pumps etc. Dec motors are also known for their low noise levels. The rotors of these motors are dynamically balanced and according to the ideal specifications. The bearings of dec motors are provided with generously sized pre - lubricated ball for noise free operation. Before dispatch, every dec motor is thoroughly tested as per is: 325. An individual test certificate is enclosed with each motor inside the packing case.