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Barrier system for nozzle of a fast installation nuclear steam generator container without bolt.
Barrier system for nozzle of a fast installation nuclear steam generator container without bolt.
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机译:快速安装的不带螺栓的核蒸汽发生器容器的喷嘴的屏障系统。
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摘要
A nozzle dam automatically latches on an annular ledge surrounding the nozzle opening. A pivotal latch arm on the dam, biased to the locked position is forced toward the unlocked position by a cam on the ledge as the nozzle is pressed on the ledge, and snaps into engagement with the ledge when the dam is fully seated over the opening. A bias arm may be operated by a wrench to pivot the latch arm toward the unlocked position until a detent locks the latch arm in the unlocked position.
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