AWWA C606-15 pdf download.Grooved and Shouldered Joints
The grooved and shouldered pipe-joining method may be used for joining a variety of piping systems for a wide variety of services. It may be utilized for varied pipe sizes, pipe materials, and wall thicknesses. Grooved and shouldered pipe joints are available to provide rigid or fexible systems. For specifc application information relating to use on varied pipe materials, please refer to the grooved and shouldered coupling manufacturer’s product information or contact the manufacturer for prod- uct recommendations for a specifc application. A manufacturer’s specifc pressures, temperatures, external or internal loads, performance standards, and tolerances must never be exceeded.
When designing a grooved or shouldered piping system in a confned area, such as a pipe shaft, a tunnel, a narrow trench, or when joining riser pipe and drop- ping it through riser holes, consideration must be given to the external clearance of the housings. Tis clearance must be slightly greater than the “Y” dimension of the widest point. Te necessary clearance will vary depending upon the application.
Rigid-grooved end piping joints provide a restrained mechanical and fric- tional interlock onto the pipe ends sufcient to result in a restrained rigid joint regardless of pipe type. Te mechanism that provides a rigid-grooved end joint varies by pipe type and manufacturer. A rigid-grooved end pipe joint is considered to have system behavior characteristics similar to that of welded or fanged systems, provided that all piping remains in strict alignment and is not subject to defections during operation. For this reason, rigid-grooved end joints require support tech- niques similar to those used in traditional fanged or welded systems.
If rigid coupling joints are used, consideration must be given to the use of fexible coupling joints or other expansion joints if movement is anticipated.
A fexible-grooved and shouldered coupling joint will not allow both maxi- mum linear and maximum angular movement simultaneously at the same joint. If both are expected simultaneously, the piping system should be designed with sufcient joints to accommodate both.AWWA C606-15 pdf download.