Opening device of tappings in positive or negative pressure fluid conduits without supply interruption

摘要

Opening device in tappings of positive or negative pressure fluid conduits without supply interruption, comprising an implement coupled to a shut-off cock fixed to a pipe by means of an appropriately fixed conduit clamp, providing for its introduction into the entrance of the opened shut-off cock, passing through the inside of the latter and a cutting implement (4), drilling the conduit and removing the implement till the shut-off cock is closed, and removing the main body (1) from the device, the latter being provided internally with fluid-tight seals, internal access seals and a centering bush (3).