The short version of the multi-size inflatable pipe stopper with bypass enable tests of tank and chemical plants and are suitable everywhere, where the openings are too short or bends are present. They consist of special rubber with fabric insert. These are characterized by increased chemical resistance to mineral oil, heating oil, etc..

The coreless cylinder form with flexible passage in a robust design enables the test pads to be easily adapted to a wide range of pipe materials and thus offers a wide and flexible range of applications with the best sealing properties. They fulfil three functions in one: sealing, testing with water or air and diverting.