Chiho Hebei Industry 304 concentric reducer size tolerances shall comply with Table 4.2.2-3 of. Diameter pipe, also known as head size, used to connect pipes of different sizes, generally it is divided into concentric and eccentric reducers Two pipe diameter when diameter pipe stand up after the two-port is projected concentric circles, it is called concentric reducer, eccentric reducer and a projection is cut in the outer concentric size head inside the small round .304 The manufacturing process of the most simple, with thick wall pipe as a blank, and expand one end with an equal diameter or thickness of the tube as a rough, narrow end of the aperture can be. Whether flaring or necking steel eccentric reducer is generally used mold pressing. The current domestic commonly used progressively eccentric mold pressing eccentric reducer produced by this process three or more eccentric reducer, eccentric small head end will have a serious gap in the inner wall from the tumor, uneven thickness and oval phenomenon. When truncated by a truncated concentric reducer eccentric reducer instead of the resulting structure, because oblique section is not round but ellipsoidal surface will exist between the wrong end and the straight edges of the problem can not be fully engaged. If the introduction of new technology to suppress eccentric reducer, which is to die pressing of a concentric concentric reducer eccentric reducer dn500, then pressed into a good concentric reducer eccentric eccentric mold pressing integer required diameter pipe, its inner and outer surface smooth, flat head, uniform thickness eccentric reducer quotes, roundness qualified, the use of less Hebei Chiho Pipe diameter pipe stainless steel material Specifications: 3/4 'X1 / 2 '--- 48' X 40 '[DN 20 X 15 - 1200 X 1000]. Wall thickness:. Sch 5s --160 stainless steel eccentric reducer according to the national standard, American Standard (ANIS), Japanese Standard (JIS), British standard (BS), German standard (DIN), Italy superscript (UNI) and other standards . Material: carbon steel, stainless steel, alloy steel. 11 Hebei Chiho Pipe size of the first generation produced in connection with the use of the pipeline in a good performance and operational contribution, in strict accordance with the standard form of certain ball use, divided into different categories and types in a specific use, full of important operating contribution. The size of the head (ie diameter pipe), one case of pipe fittings for pipe diameters of two different pipe valve connection; divided into concentric eccentric head size and the size of the first two. Head size is adjustable for a tube at the pipeline. Forming process commonly used to suppress necking, expanding suppress or necking plus expanding suppress certain specifications reducer valve can also be used stamping. The reduced size of the first valve diameter forming process is the size of the head with a diameter equal to the big end of the tube into the forming die, along the axial direction of the tube pressing the metal along the cavity forming motion and contraction. Adjustable according to the size of the size of the head is divided into one or more press-forming press forming. After the plane door width measuring four basic standard size ± 0.2mm, wood moisture 8-10%, based on the production process, measures moisture less than valve position and south humidity, door widths occur than the standard size + 0.5 ~ + 1.0mm. Eccentric reducer dn200_ Hebei Chiho (Online) _ Zaozhuang eccentric reducer by Chiho Pipe Co., Ltd. Hebei. Hebei Chiho Pipe Co., Ltd. (www.hbqh628.com) (www.hbqh628.com) Hebei Cangzhou, forging leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. Hebei Chiho leadership with the staff warmly welcome all inquiries negotiations to create the Hebei Chiho better future.