Scheme of the simplest hydraulic jack.

A hydraulic or pneumatic explosor consists of a freely laid round or rectangular cover and a flange, a brushed flush with the working surface of the matrix. Scheme of the simplest hydraulic jack. A tube is welded into the bottom of the cup, which is connected through the valve to the pressure water supply. For the operation of the explosors, pressure is necessary in the water supply network 3-6 at.