- Axial expansion joint 軸向膨脹節(jié)
Axial movement is considered as the extension or compression of the pipeline system on its longitudinal axis, which means that the total length of the expansion joint will be extended or compressed in the process of absorbing movement.
If absorption other than axial movement is needed, we strongly recommend that you choose other schemes, and OBB® engineers will be happy to provide professional advice.
軸向運(yùn)動(dòng)被認(rèn)為是管道系統(tǒng)在其縱軸上的伸長(zhǎng)或壓縮，這意味著在吸收運(yùn)動(dòng)的過程中，膨脹節(jié)的總長(zhǎng)度將延伸或壓縮。
如果需要除軸向運(yùn)動(dòng)以外的其他吸收，我們強(qiáng)烈建議您選擇其他方案，OBB®工程師將很高興提供專業(yè)建議。 -
Definitions 定義 Axial movement is shown as AX and stated in mm. Compression and elongation are indicated as negative (-) and positive (+).
軸向運(yùn)動(dòng)以AX表示，以mm表示。壓縮和伸長(zhǎng)表示為負(fù)（-）和正（+）。
Example 示例 Elongation +10 and compression -20 will be shown as: AX +10/-20 mm. Equal longitudinal movements are shown as: AX +/-20 mm (2δN).
伸長(zhǎng)率+10和壓縮-20將顯示為：AX + 10 / -20 mm。相等的縱向運(yùn)動(dòng)顯示為：AX +/- 20 mm（2δN）。
Main purpose 主要用途 Axial expansion joints have the ability to compensate axial movement and have simple and compact overall size, so they are widely used in various applications. Axial expansion joints are especially common in long pipes, such as exhaust
system, ventilation and flue gas system, district heating, steam, oil and gas pipeline system.
軸向膨脹節(jié)具有補(bǔ)償軸向運(yùn)動(dòng)的能力，并且具有簡(jiǎn)單緊湊的整體尺寸，因此在各種應(yīng)用中得到了廣泛的應(yīng)用。軸向膨脹節(jié)在長(zhǎng)管中尤為常見，例如排氣系統(tǒng)，通風(fēng)和煙氣系統(tǒng)，區(qū)域供熱，蒸汽，油氣管道系統(tǒng)。
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