Machine and tools which are necessary to make the connections under pressure on the valves (top or side connection).
The drilling machine is set accordingly using the adapters so as to be fitted onto the different types, models and valve dimensions. The drills are chosen according to the type of pipe material and the diameters to be drilled.
The obturator temporarily ensures the water-tightness of the upper part of certain connecting valves with top connection (Sensass) while the work is being carried out.