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Mejoras en el accionamiento de válvulas para fluídos consistentes en la combinación de un cuerpo de válvula de tipo convencional, dotado del correspondiente obturador, con un servomotor, accionado por un fluído ajeno al circulante, que dispone de una membrana, que acciona el vástago del obturador sobre la cual actúan por una cara dicho fluído y por la otra un resorte antagonista.
ES0251522A1959-07-221959-07-22Mejoras en el accionamiento de valvulas para fluidos
ExpiredES251522A3
(es)