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["Fuel Gas Pipeline 公称压力管道",,"Der Sicherheitsventer des安全阀 des起跳压力起跳压力"应当为1.76MPa,相应的法兰、阀门等公称压力是否应为class.151合适?还是还是应该为3.0合适?","Der Sicherheitsventer起跳压力是最高工作压力的应为1 pérdida.15~1.11倍,先选择材料,看看3.0最高温度下的工作压力,如果仍需要,那么这种材质在3.1的最高温度下是不适用的,那么可以再提高到5.3看看数据。","Man sollte nicht nur auf den Druck achten sondern auch温度也需考虑可以参考我的软件https://bbs.hcbbs.com/thread--99592--99.html","Es Ist eine Tabelle mit den 温度额定值的对照表的对照值,由于受温度影响,材质承压能力也会下降。" kukuk

2020-05-27View Original

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燃料气管道的安全阀起跳压力1.76MPa, 对应法兰、阀门等公称压力取class150合适吗?还是应该取class300
Reply #22020-05-27
安全阀起跳压力是最高工作压力的1.05~1.10倍,先选择材料,看看class150最高温度下的工作压力,如果比1.76Mpa还要小,那么这种材质的在class150的最高温度下是不适用的,那么可以再提高到class300看看数据。
Reply #32020-05-27
不能光看压力,还要看温度哦 可用我的软件查一下https://bbs.hcbbs.com/thread-2959259-1-1.html
Reply #42020-05-27
有ASME的材质温度额定值的对照表,随着受温度影响,材质承压也会下降。

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