Assembly Procedure 

A - Machined pipeline section,   B - End section,   C - Inner collar,   D - End section outer collar,  E - Outer collar, F - Shear ring.
Components shown in green of API 5L X65 or project requirement and in red of 120 ksi steel specifications.

The interface between the preassembled Sections B and D is clad and rolled to a pipe section.

                                                                Part E pressed into position by compressing expandable shear ring

                                                      Part C pressed into position by compressing expandable shear ring

                                                      Part B - D assembly treaded over part A and secured by seal welding .

                                                       Second part B - D assembly pressed into position by compressing expandable shear ring and secured by welding.