Suction and discharge flange of the same nominal pressure rating.

吸入及排出管法兰的额定压力等级相同.

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The same nominal pressure PN of the same value of the mark DN!

同一公称压力PN值所标示的同一公称通径!

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Nominal pressure solenoid valve should be more than the maximum working pressure tube.

电磁阀公称压力应超过管内最高工作压力.

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According to the test pressure and nominal pressure of pipes, calculated and compared their numerical value.

结合管材测试压力和公称压力, 计算并比较了它们之间的数值.

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