Is é Flange na codanna a nascann dhá chríoch phíobáin, sainmhínítear nasc flange ag an gcliathán, gasket agus bolt tá trí cinn nasctha mar ghrúpa de struchtúr rónta comhcheangailte an naisc inscortha. Cuirtear an gasket leis idir an dá flange agus ansin é a cheangal le boltaí. Different pressure flange, thickness is different, and the bolts they use are different, when pump and valve connect with pipe, the parts of the equipment are also made of the corresponding flange shape, also known as flange connection, usually closured bolted connection parts are also known as flanges, such as the connection of ventilation pipe, this kind of parts can be called “flange type part”, but this connection is only part of a device, such as the connection between flange and water pump, it’s not mí -oiriúnach chun caidéal uisce a ghlaoch mar chodanna de chineál flange, ach comhla beag coibhneasta, is féidir é a ghlaoch mar chodanna de chineál flange.