Learn about the different types of engineered spring supports and when to use variable springs, constants or big tons depending on the design conditions. See how shock control, restraint and support devices are used to guide or restrain movement during normal operating conditions or under impulse loading events. Learn about pre-insulated pipe supports, including various insulating materials used for both cold and hot applications. Discover the slide plate sandwich concept and explore different slide plate materials used to reduce the coefficient of friction. View examples of expansion joints, pressure vessels, pig launchers and receivers.