201 Stainless steel elbow - low price, factory direct supply.

International standard pipe flanges has two main systems, namely the German DIN (including the former Soviet Union) as the representative of the European system and the pipe flange to the United States on behalf of ANSI pipe flanges for pipe flanges American system. In addition, there are Japanese JIS pipe flanges, but in the petrochemical unit generally used only for public works, and less impact in the international arena. Introduction flange countries now under: 1, Germany and the former Soviet Union as the representative of the European system of pipe flanges 2, Inter-American System standard pipe flanges to ANSI B16.5 and ANSI B 16.47, represented by three, the United Kingdom and France standard pipe flanges, pipe flanges of the two countries have two sets of standards. In summary, the internationally accepted standard pipe flanges can be summarized as two different and not interchangeable flange system: one in Germany on behalf of the European pipe flange system; the other is the US representative American pipe flange system. IOS7005-1 is a standard issued by the International Organization for Standardization in 1992, the standard is actually the United States and Germany, two series of pipe flanges merger of standard pipe flanges.