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["-6°C-F法兰冷紧问题",,"Die Flügel an den Ventil-F法兰在-6°C需要冷紧。暂时不能进行保冷施工。大家是怎么做的?系统先降温冷紧,然后再停车进行阀门法兰的保冷吗?还是根本不需要冷紧,直接做好保冷措施吗?","我认为应该进行冷紧,冷紧后再做保冷。","我们 sollten so viel wie möglich schwellen, und die Anschlüsse einzeln verpacken, um zukünftigen Operationen zu ermöglichenn!","法兰处先不保冷,等冷紧、热紧后再保温。","冷紧后法兰阀门处肯定都结冰了,再保冷效果不好吧?"}

2018-05-14View Original

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零下60℃的阀门法兰需要冷紧,暂时不能保冷施工,大家是怎么做的?系统先降温,冷紧完后再停车做阀门法兰保冷吗?还是根本不需要冷紧直接做好保冷措施呢?
Reply #22018-05-14
我认为应该进行冷紧,冷紧后再做保冷。
Reply #32018-05-14
我们能焊接的尽量焊接,减少泄漏点,法兰都是单独包的,方便以后操作!
Reply #42018-05-15
法兰处先不保,等冷紧、热紧后再保温。
Reply #52018-05-18
冷紧后法兰阀门处肯定都结冰了,再保冷效果不好吧?

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