The direct buried corrugation compensator is mainly suitable for axial compensation and has super bending resistance. So it can realize self-expansion compensation without considering the influence of pipeline subsidence under the protection of the shell and guide sleeve. Other performances of the direct buried corrugation compensator are the same as those of the ordinary corrugation compensator.

It should be noted that the buried internal pressure ripple compensator requires a ripple compensator between two fixed fabrications. The calculation of the force acting on the support of the compensator is the same as that of the single ripple compensator. Because the buried internal pressure ripple compensator has the characteristics of free compensation and simple installation in the pipeline, etc. Therefore, it is well received by engineering design and installation users. Direct buried ripple compensator is mainly used for axial compensation of directly buried pipeline, which has bending resistance, so the influence of pipeline sinking can not be considered.