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Individual
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Individual
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Priority to ES1972176673UpriorityCriticalpatent/ES176673Y/en
Publication of ES176673UpublicationCriticalpatent/ES176673U/en
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Publication of ES176673YpublicationCriticalpatent/ES176673Y/en
Check valve, characterized in that it is constituted by a hollow body of closed contour and open ends, whose ends form flat bases with projecting flange, as flanges for coupling with the corresponding ducts, having inside the body, next to each end, two support elements for a sliding central shaft carrying a sealing disc, which disc has a bevelled peripheral area applicable in an oblique annular seat of the internal profile of the body, in which one of said support elements, located in the part in which the obturator operates consists of a bushing for the shaft and radial arms joined to a threaded ring that engages the body, while the remaining support element consists of a cap and radial arms attached to the body. Same body, having around the axis, in the part in which the obturator operates, a helical spring that rests on the corresponding support element and em push the aforementioned shutter to place it in the stable closing position. (Machine-translation by Google Translate, not legally binding)