SERAPID specializes in horizontal and vertical motion through the use of our Rigid Chain Technology. Our products are best used with long strokes, heavy loads and in harsh environments. The Rigid Chain is a telescopic mechanical actuator that is flexible in one direction and rigid like a steel beam in the other. Choose SERAPID because of the quality of our products, our cutting-edge linear transfer technology, the expertise of our staff and our commitment to customer service. Video: SERAPID Rigid Chain Technology Video: SERAPID Stage Lifts   | |