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Standard
| GB/T 12777-1991 General specification of metallic bellows expansion joints (English Version) |
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Detail of GB/T 12777-1991
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Introduction of GB/T 12777-1991
本标准规定了金属波纹管膨胀节的术语、技术要求、试验方法、检验规则及设计等。本标准规定了为补偿管道与设备的热位移、机械位移和减振所采用的无加强U形金属波纹管膨胀节。膨胀节的工作温度为-196~750℃，工作压力小于等于4.0MPa。
Contents of GB/T 12777-1991