Numatics Inc, USA, manufactures cylinders and actuators in different versions such as profile, tandem and tie rod. The cylinders are double actuating provided with adjustable cushioning. Maximum life of bushings and seals is ensured by high strength steel piston rod with ground polished and hard chrome plated surface having a minimum yield pressure of 6896 kg/cm2. These cylinders are lubricated for life. Numatics also offers a whole range of mounting accessories, brakes, position sensing switches, reed switches, electronic switches (sourcing and sinking), switch mountings, cords for plug-in switches, tie rod brackets, and guide units.