Not just an added reinforcing ring, this unique pre-compression design compensates for expansion forces generated from normal tapered pipe thread joint make-up.
不仅仅增加了加固环，这种独特的预压缩结构能够抵消常规锥形管道螺纹连接结构所会产生的膨胀力。
In accordance with construction acceptance specification, temporary restraint is to apply to the expansion joint on pipeline at pressure test after pipe installation.
管道安装后进行压力试验时，施工验收规范要求要对管道上的膨胀节进行临时约束。
The present invention relates to new-type expansion joint with corrugate pipe consisting of corrosion-resisting lining and clad metal.
本发明涉及一种新型膨胀节，其波纹由耐蚀衬里材料和外包金属材料组成。
The mechanical expansion pipe mould used for plastic RR reciprocal joint was discussed in detail.
着重讨论塑料管材用橡胶圈(RR)伸缩节机械胀管模具。
The expansion joint comprises a corrugated pipe, the cross section of which is rectangular.
本实用新型包括波纹管，所述的波纹管的横截面为矩形。
The expansion joint comprises a corrugated pipe, the cross section of which is rectangular.
本实用新型包括波纹管，所述的波纹管的横截面为矩形。
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