The term "flange" is also used for a kind of tool used to form flanges

　　Weld Neck Flanges are drilled(machined) with the wall thickness of the flange having the same dimensions of the matching pipe, the lighter the pipe is, the larger the bore, conversely, the heavier the pipe, the small the bore, they are normally used for highpressure, cold or hot temperature.

　　Hebei shengtian pipe-fitting group Co., ltd is specialized in manufacturing and exporting a variety of stainless steel,carbon steel pipe fititngs such as steel elbows, tees, reducers ,steel flanges etc. We are standard and non-standard flange mamufacure.All kind of pipe fittings, flanges are according to the international standard to produce.Each product,the quality meet the international standard inspection technical standard. We warmly welcome customers at home and abroad to visit our factory and seek common development.