J.S. Enterprises offers Heavy Duty Pulley Driven Stirrer. J.S. Enterprises manufactures laboratory equipment and instruments, electronic weighing machine, humidifiers etc. Heavy Duty Pulley Driven Stirrer is ideal for pilot plant, bench scale process and even small batch production. The unique belt of the Heavy Duty Pulley Driven Stirrer has been driven hollow spindle arrangement that permits adjustment of immersion heights of the shaft. All models incorporate AC/DC universal motor.