Installation for the creation of Zones of low underpressure in the backfill for walls and slabs of channels, tanks and other containers of Liquids

摘要

Installation for the creation of Zones of low underpressure in the backfill for walls and floors.Comprises a Body (1) formed by Concrete that allows the Hydraulic connection with the contact input (2) and the inclusion of a Filter Element (3), and the connection between the element (2) entrance to the Valve Body (4) by a Screw or other Link System, on the basis of qu Eda hermetically fixed SEAT Washer valve (5),Gravity positioning the Ball (6), both Elastic material to ensure a close the tightness between the bodies where desirable; (2) and (4) provides the Elastic Joint which ensures the tightness.