Renown’s high flow expansion joint is commonly ran in conjunction with permanent and  retrievable packers where tubing movement will have significant effect on tubing forces.It has many key features to help with expansion and contraction on your pipe.  An adjustable shear allows multiple running lengths.  An adjustable stroke cut to  custom lengths commonly 3 –4 meters is available.  The expansion joint is also commonly set up with thermal seals as a feature.  It can also be set up for single splined, double splined, or no spline.