What are the requirements for the installation of expansion joints for drainage plastic pipes?
The expansion joint shall be installed near the water junction pipe, such as the drain pipe under the floor. The expansion joint shall be attached below the branch pipe fitting.
When the drainage pipe is on the floor, the expansion joint should be attached to the pipe near the branch pipe. Any location is possible only if the pipe is not supported.
No design requirements, pipeline more than 2 meters should be set expansion joints, expansion joints shall not exceed the maximum distance of 4 meters. Installed in a vertical pipe, height less than 4 meters, each layer should be set up, the height greater than 4 meters, according to the pipe design expansion amount and the maximum allowable elongation to determine the expansion joint.