| 摘要 |
<p>A cartridge for a mixing valve of the so-called sequential type, which includes:-an envelope intended for being inserted in a valve body;-a bottom member which closes at bottom the envelope, has outer connections intended to sealingly cooperate with passageways for inlet of hot and cold water, present in the valve body, and has an inner seat for sealingly receiving a fixed hard material control plate;-and a rotationally movable member arranged for internally housing a movable hard material control plate and having a portion intended for protruding out of the valve body with a device for receiving a maneuver member; wherein the fixed control plate has a pair of passageways situated near its periphery for the inlet of cold and hot water, and a substantially central passageway for the outlet of mixed water, the movable control plate has an inlet passageway situated near its periphery and a central outlet passageway, and the movable plate is sealingly installed in said movable member in such a way as to delimit with the same a closed space, communicating with the outside substantially only through the passageways of the movable control plate. Instead of in the shape of a cartridge, the mechanism may be directly assembled in a valve body.</p> |
