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PPR管和法兰是怎样粘结的

更新时间: 2020-07-10 00:00:00     

将垫片放在两法兰密封面之间,拧紧螺母后,垫片表面上的比压达到一定数值后产生变形,并填满密封面上凹凸不平处,使连接严密不漏。法兰连接是一种可拆连接。按所连接的部件可分为容器法兰及管法;按结构型式分,有整体法兰、活套法兰和螺纹法兰。常见的整体法兰有平焊法兰及对焊法兰。平焊法兰的刚性较差,适用于压力p小于等于4MPa的场合;对焊法兰又称高颈法兰,刚性较大,适用于压力温度较高的场合。

关键词: ppr 怎样 粘结

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