The purpose of the safety relief valve is to prevent over-pressuring of pipe systems of vessels either through leaking valves or due to thermal expansion.

安全泄压阀用于通过泄漏阀或热膨胀防止容器的管子系统超压。

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Leave the gas on at the main valve, unless you smell gas or think it \ 's leaking.

除非闻到煤气味或认为煤气正在泄漏，不用关掉煤气阀门。

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Lift the lever at the top of the valve several times until valve seats properly without leaking and operates freely.

反复扳动安全阀的把手几次，直到安全阀能够正常泄水，操作灵活，并且没有泄漏。 收藏。

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Madden underwent surgery to repair a leaking valve in his heart in 2001 although he returned to the Antrim squad a year later.

BBC: Kevin Madden has been involved with Antrim for a decade

Fire crews said one man noticed a leaking valve on a gas cylinder used for cooking and managed to get everybody out with moments to spare.

BBC: Debris cleared from Leicester blast temple

In April 2009, a control rod the shutdown device used to stop the nuclear reaction in a plant's core malfunctioned in Reactor No. 3 due to a leaking valve.

WSJ: Japan Plant Had Troubled History