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PLUG FOR PREVENTING FLOW IN A HEART CYLINDER OF A NUCLEAR REACTOR.
PLUG FOR PREVENTING FLOW IN A HEART CYLINDER OF A NUCLEAR REACTOR.
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机译:用于防止核反应堆心筒中流动的塞子。
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摘要
The invention comprises a core barrel plug capable of being remotely installed in a port of a core barrel of a pressurized water nuclear reactor for converting the reactor from a by-pass downflow configuration to a by-pass upflow configuration. The plug comprises a body having an expandable cylindrical portion with a movable mandrel disposed in the body. Remote fluid pressurization causes the mandrel to be advanced thus expanding the body into contact with the port. The plug also comprises a locking mechanism to prevent inadvertent release of the plug and a venting mechanism to prevent inadvertent overpressurization of the plug.
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