LAB Verduyn BV. has given guidance to several welding procedure qualifications, for the fabrication and welding of the "bigger segment" hydraulic cylinders. This type of cylinders is build up out of plates and tubes with thicknesses up to 300 and 400mm thickness.
200mm weldment, ready for PWHT.
Welding machine for automatic welding of round-seams for the hydraulic cylinders.
Hydraulic cylinder. Round seam automatic welding.