Description

Restrained dismantling joint are also called expansion joints, expansion joints, compensators, expansion joints. The telescopic device can be axially extended and contracted within a certain range, and can also overcome the offset caused by the different axial joints of the pipe within a certain angle, which can greatly facilitate the installation and disassembly of the valve pipe, and can be freely allowed in the pipeline to allow the expansion and contraction amount. Stretching, once restrained dismantling joint exceeds its maximum amount of expansion, it will limit the position and ensure the safe operation of the pipeline.