MOTION DRIVES AND CONTROLS LIMITED in Warwick - the centre of England for a Power Transmission solution that works. ISO 9002 approved; Comprehensive literature available. Nexen (formerly Horton) air champ Air activated clutches, brakes and torque limiters - over 300 models for ALL types of applications. Full range of clutches and brakes, single/multi plate and tooth clutches available in electric, hydraulic, pneumatic, mechanical and failsafe actuation. Pneumatically activated clutches and brakes in sizes from fractional to 100kW. New STB600 tension control brake Offering superior tension control through a broad torque range. This is Nexen's newest line of patent-pending tension control brakes. Three different sized piston sets can be actuated singly, or in any combination for a large number of torque-to-air pressure ranges. Ventilated rotor keeps the brake cool. Different piston sizes give you the widest range. Fine torque control for precise tension control of web processes - 500:1 tension control range. New STC600 tension control clutch Offering superior low torque for your web with Nexen's newest line of patent-pending tension control clutches. Three different sized piston sets can be actuated or in any combination for a large number of torque-to-air pressure range. Ventilated rotor keeps the clutch cool. Different piston sizes provide the widest range; By engaging and disengaging various combinations of small, medium and large piston sets there is a broad range of torque vs air pressure combinations. This gives precise control over a wide range of torques and air pressures and allows running of a wider variety of materials on the same machine.