Put simply, a metal expansion joint is a device largely fashioned by versatile bellows used to soak up actions within a piping system even though that contains pressure along with a medium running through it. 15. Use two wrenches when tightening bolts. When tightening the again up rings of rubber https://expansion-bellows-for-pip70146.bloggactivo.com/38532718/axial-expansion-joint-diagram-things-to-know-before-you-buy