SSQ type sleeve type telescopeic device

SSQ type sleeve type telescopeic device The telescopic expander is also called a telescopic joint, an expansion joint, and a compensator. The telescopic expander can be axially extended and retracted 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 allow the amount of expansion and contraction in the pipe. It can