Translate the following valve valve valve valve valve valve valve valve valve valve valve to "val de" in in valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve valve"" ""
HG-T 20570.2-95《安全阀的设置和选用》 7.0.8换热器管破裂 7.0.8.1 如果换热器低压侧的设计压力小于高压侧的设计压力的2/3时,则应作为事故工况考虑。
蒸汽的话,要看实际情况,加入供气压力一定不会有超压情况(比如换热器设计压力1.0MPa, 而你们的供气压力只有0.8MPa),这就不用加安全阀;而循环水通常要加安全阀或者是膨胀阀,这是因为有一些误操作情况。