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Priority to ES1978236366UpriorityCriticalpatent/ES236366Y/en
Publication of ES236366UpublicationCriticalpatent/ES236366U/en
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Publication of ES236366YpublicationCriticalpatent/ES236366Y/en
An improved anti-reverse valve for water supply pipes characterized by being constituted by a flat and hollow circular body provided with elements of connection to the pipe in which a flat circular disk is placed movable on the axis located in its lateral flange which axis it is fastened inside two threaded support screws on the side of the body and accessible from the outside and fitted with the flat circular disk of a sealing gasket that will rest on the valve seat so that the normal movement of the liquid in the conduct it will permanently raise the inner flat disk of the valve while a retraction of the liquid from the valve while a retraction of the liquid will cause the disc to descend and close it on the seat, preventing the liquid from retracting. (Machine-translation by Google Translate, not legally binding)
ES1978236366U1978-05-301978-05-30
AN ANTI-KICKBACK VALVE PERFECTED FOR DAMAGED WATER CONDUCTORS
ExpiredES236366Y
(en)
Improvements in butterfly valves, for the control of the fluid circulation in a pipeline (Machine-translation by Google Translate, not legally binding)