Fluid handling assembly having a multilayered composite pipe having a mechanical coupling method of assembling the fluid handling assembly

Abstract

A fluid handling assembly includes a first pipe. The first pipe includes an inner layer made of a CPVC composition, an intermediate layer made of a metal at least partially surrounding the inner layer, and an outer layer made of a CPVC composition at least partially surrounding the intermediate layer. A first tubular coupling bushing has a first portion and a second portion. The first portion is coupled to the first pipe. The second portion has an engaging portion that is configured to engage to a mechanical fixture that sealingly engages the first pipe and a second pipe. A method of making the fluid handling assembly is also disclosed.

What is claimed is: 
     
         1 . A tubular coupling bushing having a first portion and a second portion, wherein said first portion:
 is sized to be inserted into the end of a pipe,   is tapered in a direction away from the second portion at a taper from about 0.4 to about 4.0 degrees, and   
       wherein said second portion includes a continuous annular groove in an annular exterior wall of the second portion.