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ZUBIZARRETA S A
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ZUBIZARRETA S A
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Nueva bisagra caracterizada por haberse previsto en el fondo del casquillo existente a borde de una de las aletas que lo constituyen una bola de acero templado total mente fija a dicho casquillo y sin posibilidad de movimientos relativos sobre cuya bola apoya el eje solidario del casquillo de la solapa contraria para efectuar el giro por apoyo sobre la misma con un mínimo de desgastes y holguras.
Un dispositivo para el ajuste del juego existente entre las compuertas giratorias y la placa superior y aro inferior de turbinas hidraulicas y similares.