Cangzhou Bohai Pipe Fittings Co., Ltd. 20 # Flange flat welding flanges with weld ring loose flanges Loose ring flange can be active flange piece, generally supporting the plumbing fittings (on expansion joints most common), expansion joints on both ends of each piece flange when the manufacturers factory directly with project pipeline, equipment bolted. The purpose of using a flat welding Loose ring flange is generally in order to save material, its structure is divided into two parts 20 # flanges, pipes and pipe connected parts of a head, a head made of flange, the flange portion of the flange sleeve. Flanges low grade materials, and the use of the pipe section and the pipe of the same material, to achieve the purpose of saving material. Cangzhou Bohai Pipe Fittings Co., Ltd. 20 # flange large forging large flange points threaded connection (wire connected) flange and welding flange. Low small diameter wire with a diameter flat welding Flange 20 # flanges, large diameter high pressure and low pressure welding flanges are used, the thickness and diameter of the bolt connection and the number of different pressure flange is different according to different levels of pressure, flange gasket there are different materials, asbestos pad from the low pressure, high pressure pad to the metal pads are asbestos There. 1. Material classified carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum, plastic, argon Ge Lek, ppc, etc. 2. Method for the production of forged flanges manufacturers can be divided into 20 # flange, casting flanges, welded flanges, rolled flange (large number) 3. manufacturing standards can be divided into GB (Ministry of Chemical Industry Standard, Standard Oil, electricity standard) 20 # flange prices, American Standard, the German standard, standard, the Russian standard, etc. depending on the welding of large welded flanges can be divided into large-scale and large-scale welded flange welded flanges welded flange 20 #, 20 # flanges, Cangzhou Bohai Sea by Cangzhou Bohai Pipe Fittings Co., Ltd. . Cangzhou Bohai Pipe Fittings Co., Ltd. (www.czbh628.com) (www.hbbh628.com) strong, credible, and other industries in Hebei Cangzhou tee accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Cangzhou Bohai and you hand into the brilliant, for a better future!