Pipe-Shrinkage Machine:good quality and best price Features: 1) PLG control, hydraulic ... -pedestal switch, which is featured with three functions, i.e. automatic start, emergent stop and emergent stop and resume, with high ... processing, such as pipe-shrinkage, pipe-expansion and pipe-blunt, as well as multiple shapes, such as concave, protruding, long, flat, square, rubbings, inclined ...