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["A norma exige que não haja pre紧固,, norma exige que não haja压紧固, isso não é contrário么?", "A norma exige que não haja压紧固A开车过程中热紧固不是就是带压紧固么A这不矛盾么?", "As medidas de segurança tecnológicas estiverem em vigor,允许热紧固当设计压力小于等于6MPa时热紧最大内压应为0.3MPa;设计压力大于6MPa时热紧最大内压应}]

2019-10-12View Original

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标准里要求不要带压紧固,那在开车过程,热紧固不就是带压紧固么,这不矛盾么?
Reply #22019-10-13
安全技术措施到位允许热紧固,当设计压力小于等于6MPa时,热紧固最大内压应为0.3MPa;设计压力大于6MPa时,热紧固最大内压应为0.5MPa,冷态紧固应在泄压后。

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