Safety relief valves shall be labeled for relief pressure rating.
安全减压阀要有标示，标明压力释放级别。
They also are used for relief and by-pass functions; however, they should not be used as safety relief valves.
同时具有排放和旁通功能，不可作为安全泄压阀使用。
They come equipped with safety relief valves and rupture discs to protect the cylinders from pressure build-up.
它们配备有减压阀和破裂盘，以保护钢瓶，防止压力积累。
They come equipped with safety relief valves and rupture disks to protect the cylinders from excessive pressure build-up.
它们配备有安全减压阀和破裂盘，以保护钢瓶，防止过多的压力积累。
Therefore, the use of Safety Relief Valves the two hemispheres should be kept clean surface to ensure good sealing effect.
因此，在使用鸭嘴阀时应保持两个半球面的光洁，以确保良好的气密效果。
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。
They also are used for relief and by-pass functions; however, they should not be used as safety valves.
同时具有排放和旁通功能，不可作为安全泄压使用。
They also are used for relief and by-pass functions; however, they should not be used as safety valves.
同时具有排放和旁通功能，不可作为安全泄压使用。
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