Cangzhou Bohai Pipe Co., Ltd. specializing in the production of 20 # flange forging forming called the model forging forging, the blank is placed in a heated die forging fixed in the forging of the device. 1. The basic process of forging forging process: cutting, heating, pre-forging, the final forging, red skin, cutting, conditioning, shot. Common processes are upsetting, stretching, bending, punching, molding. 2. forging equipment commonly used equipment forging hammer forging, hot forging presses, horizontal forging presses and other machines and friction. More simply, better quality forged flanges 20 # flange, typically by forging production of flat welding flange 20 #, fine crystal structure, high strength, and of course the price is expensive. Whether it is casting flange or flange forged flanges are all common manufacturing methods, see the need to require the use of components of strength, if not ask sales 20 # flange, you can also use the system turning flange. Cangzhou Bohai Pipe Co., Ltd. 20 # forging professional blind flange blind plate stiffened isolation, cut off the role, and the head, the hat, welding plugs role is the same. Because of its good sealing performance, the need for a system completely isolated, usually as a reliable means of isolation. 8-word blind is a solid shank circle for normal conditions for an isolated system. The 8-word blind plate, shaped like a figure 8, one end is blind, the other end of the throttle ring, but the same diameter as the diameter of the pipe, does not play a throttling effect. 8-word blind plate, easy to use, you need isolation, the use of blind-side, you need normal operation, the throttle loop end, but also can be used to install the pipeline to fill the gap blind plate. Another feature that identifies clear, easy identification installation status. Sales 20 # flanges, Cangzhou Bohai (certified), # 20 by Cangzhou Bohai Flange Co. fittings. Cangzhou Bohai Tube Co., Ltd. (www.czbh628.com) (www.hbbh628.com) is an industry leader in Cangzhou, Hebei, three, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Cangzhou Bohai leadership with the staff warmly welcome all inquiries negotiations to create a better future Cangzhou Bohai.