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["Über die Probleme mit den Doppelschichtrohren",,"Der Polyester Doppelschichtrohr innen ist ein Hochdruckrohr von 1. 5 MPa,,,,,, 外管低压 0. 8 MPa,,,,, Rencontre auf dem Feld wegen der Füllung eines Flanschs (normal一般不加法兰)请问这个夹套法兰怎么选? HG/T

2019-12-11View Original

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聚酯夹套管内管是高压管10MPa,外管低压0.8MPa,现场由于没办法需要加个法兰(一般不加法兰),请问这个夹套法兰怎么选? HG/T20592美标系列上夹套法兰只有PN20,PN50。 内管那么高压力是不是用不了? 还是说选个10MPa的法兰配上管帽夹套?
Reply #22019-12-13
法兰按内管压力选用,外部加套可以用管帽式或端板式。夹套的具体做法可以按照SH3040制作。

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