A ferrule type, flareless fitting is provided that may optionally be pulled-up to its assembled condition by torque rather than by turns.
提供一种套圈式无扩口管接头，该管接头可以通过扭转而不是通过转动随意地接上到它的装配好的位置。
A ferrule type, flareless fitting is provided that may optionally be pulled-up to its assembled condition by torque rather than by turns.
提供一种套圈式无扩口管接头，该管接头可以通过扭转而不是通过转动随意地接上到它的装配好的位置。
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