What is a variable spring support?

A variable spring support is a pipe support that uses a spring coil (or series of coils) to accommodate pipe movement from the initial (installed) condition to the final (operating) condition of the piping system. For all variable spring supports there must be a difference in load and that load difference will be based upon the spring rate of the coil(s) specified.

Custom Designed Variable Spring Supports With Stainless Steel Slide Plates
Variable Spring Supports