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變徑管件

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變徑管件

變徑管件是指管道的一段或多段管徑大小發(fā)生改變的管道件，通俗來講就是管道在一定長(zhǎng)度范圍內(nèi)增大或縮小的管件。與異徑管（將兩組不同直徑的管子焊接在一起形成的管道接頭）相比，變徑管更側(cè)重于管道直徑的連續(xù)變化。

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