先导式安全阀(pilot operated safety valve) ： 一种靠从导阀排出介质来驱动或控制的安全阀，该导阀本身应是符合标准要求的直接载荷式安全阀。
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... 普通带扳手弹簧敞开式安全阀 Conventional Open Spring with Lever 先导式安全阀 Pilot Actuated Safety Valve 主蒸汽安全阀 Main Steam Safety Valve ...
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... 安全阀;排气阀;safety valve 脉冲式安全阀;先导式安全阀;组合式安全阀;impulse safety valve 静重式安全阀;dead weight safety valve ...
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PWR的压力释放装置主要有四种类型：直接作用式安全阀、先导操作压力释放阀、动力作用式压力释放阀和具有辅助装置的安全阀。
There are four types for PWR pressure-relieving devices: direct acting safety valve, pilot-operated pressure relief valve, power-operated pressure relief valve and safety valve with auxiliaries.
介绍一种在超低压和振动条件下工作的先导式全启安全阀的结构特点及工作原理。
The structure characteristics and operation principium of new type pilot operated all open safety valve under low pressure and vibration working conditions are introduced.
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