These plugs are used above all in cases where it is necessary to redirect a large amount of water. The removal of provides a central part of the steel, which is made of stainless steel. Textile rubber that covers this central part, and replace if it is damaged. Standard type series, produced with diameters ranging from 100 to 1200 mm. Maximum back pressure in the diameter of the pipe mentioned is 0.7 bar. Back pressure values are valid in concrete pipes or compatible configuration. It is not possible to produce large bypass metal core Multi size tube plug with other technical needs.