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0lla a presión perfeccionada por la que en la zona central de la tapadera se dispone una válvula de seguridad cuya cabeza móvil comprende un conducto interior escalonado de pared roscada en el tramo inferior para su ensamble con una pieza intermedia lateralmente perforada y fijada igualmente a rosca con interposición de una junta elástica a la pared de la tapadera mediante un manguito situado en la cara interior de la misma.
ES114895U1965-07-171965-07-17Olla a presión
PendingES114895U
(es)
Perfeccionamientos en las cabezas para conexion multiple de termopolares al dispositivo electromagnetico de las valvulas de seguridad para quemadores de gas