... flangeConnection: WeldingHead Code: RoundBrand Name: Baco CastingPlace of Origin: Suzhou , China (Mainland)Category: Pipe ... of flangeA flange is an external or internal ridge, or rim (lip), for strength, as the flange of an ... iron beam such as an I-beam or a T-beam ... ; or for attachment to another object, as the flange on the end of ...