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。
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。
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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