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HEBEI RIVER STEEL PIPELINE EQUIPMENT CO.,LTD

The flange is a part that makes the pipe to be connected to the pipe, valve or equipment, and is connected to the end of the pipe. There are bolt holes on the flange, and the bolts can be worn to make the two flanges tightly connected, and the gasket is sealed between the two flanges. Flanges can be divided into threaded flanges, weld neck flanges ,slip on flanges,lap joint flanges,socket weld flanges and blind flanges according to the connection method. Threaded flanges can be used for low pressure pipes, and weld neck flanges for pressures over 4 kg. Different pressure flanges have different thicknesses and use different bolts.