Flanges are tube or the tube and valve with the parts connected to each other, is connected to the pipe end. There are holes on the flange bolts so that the two flanges tightly connected. Between the flange sealing gasket. Flange points threaded connection  hose fittings flanges and welding flanges and flanged sleeve. Pipe flange means the plumbing fixtures in the piping flanges, with import and export flange on the device means the device. There are holes on the flange bolts so that the two flanges tightly connected. Between the hydraulic hose manufacturers sealing gasket. Flanges are used in pairs. Between the two flange gaskets, and then secured with bolts. Flange thickness of the different different pressures, they use different bolts. Pumps and valves, and pipe connections at the local these facilities and equipment, but also made ​​the corresponding flange shape, also known as the flange connection.Flanges are interconnected between the tube and pipe parts for connection between the pipe ends; equipment import and export is also useful in the flange for connection between the two devices.