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Priority to ES270604ApriorityCriticalpatent/ES270604A1/en
Publication of ES270604A1publicationCriticalpatent/ES270604A1/en
Improvements introduced in safety valves for liquid tanks, characterized essentially by having a discharge valve, being its semi-spherical and hollow, open in its lower part and which is driven by a lever provided with a reciprocating movement and which determines the float of the referred valve and the corresponding tubular stem, by virtue of the specific weight of both elements. (Machine-translation by Google Translate, not legally binding)
ES270604A1961-09-191961-09-19Improvements introduced in safety valves for liquid tanks (Machine-translation by Google Translate, not legally binding)
ExpiredES270604A1
(en)
Overpressure valve for hydraulic lifting devices in particular for hydraulic mine stemples (Machine-translation by Google Translate, not legally binding)