DEVICE FOR CLEANING OF INTERNAL CAVITY OF CONDUIT
A device for cleaning of the internal cavity of conduit is made of two spherical shells, one of which (external) is elastic, and another (internal) is rigid, they are connected by means of the double-action back valve. The internal shell is filled with a fluid, which is compressed (gas), and the spa...
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Sprache: | eng |
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Zusammenfassung: | A device for cleaning of the internal cavity of conduit is made of two spherical shells, one of which (external) is elastic, and another (internal) is rigid, they are connected by means of the double-action back valve. The internal shell is filled with a fluid, which is compressed (gas), and the space between spheres is filled with incompressible fluid. At change of the diameter of conduit the pressure in the cavities of shells changes, this results in the overflow of the liquid through the back valve from one shell into another one depending on changes of the diameter, which creates the conditions for passage by the device of sections with different geometric configuration. |
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