The present invention relates to the technical field of hydraulic valve, which particularly relates to a pilot operated unloading valve.
本发明涉及液压阀技术领域，具体涉及一种先导式卸荷阀。
The structure characteristics and operation principium of new type pilot operated all open safety valve under low pressure and vibration working conditions are introduced.
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。
From the view of flow control, the method of cavitation resistance of a pilot-operated water hydraulic valve was investigated.
从流场控制的角度，研究了先导式纯水溢流阀抑制汽蚀方法。
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.
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.
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。
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