What is a trapeze hanger?

A trapeze hanger is a support assembly consisting of parallel vertical rods which are suspended from a structure and connected at their lower ends by a horizontal member from which the pipe is supported. It is used for the suspension of pipe from two rods where longitudinal movement due to expansion or contraction may occur.

Pipe Saddles To Be Used In A Trapeze Hanger Assembly
Pipe Saddles to be used in a Trapeze Hanger Assembly