To protect sensitive electronic equipment from impact damage when it barely misses, ITT Enidine Inc. Patented double acting springs for shock absorbers (SIDAS) are designed and developed. The SIDAS design combines a preloaded mechanical spring to provide static preloading force and a low pressure hydraulic damper to provide dynamic damping force.

Leveraging custom engineering capabilities and proprietary computer modeling and simulation programs, ITT Enidine Inc. Solutions such as SIDAS can be developed to meet the rigorous performance and environmental challenges of today's defense, commercial aerospace, and industrial applications. During an impact event, the SIDAS will experience a pressurized state lasting less than 1 second. This low pressure situation ensures a good fluid seal, which provides long life shock absorption in all four deck frequency ranges. This low pressure situation ensures a good fluid seal, which provides long life shock absorption in all four frequency ranges.