释义 |
flange union flange union[′flanj ‚yün·yən] (engineering) A pair of flanges that are screwed to the ends of pipes and then bolted or welded together to hold two pipes together. flange union flange union In plumbing, a pair of flanges which hold two pipes together; the flanges are screwed onto the ends of the pipes and then are held together by bolts. |