Hydraulic pipe blender working details including a metallic, flexible spring used to bend PVC Conduit Pipes by providing them a stable internal structure needed to achieve a neat, distortion-free bend. One of the ends of the bending spring is tapered, while the other has a ring end.Grip one side of the spring 180 degrees from the end with a pipe wrench that is tight enough to keep the coils from slipping. Grip the last half of the spring wire. Then, push down on the pipe wrench and the vise-grip at the same time. After shortening and bending the spring, reinstall the cone in the spring. For more details of Hydraulic pipe blender working download AutoCAD file, cad file,dwg format