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Standard and selection of stainless steel flanges

Stainless steel flanges are mainly made of two kinds of flat welding flange and butt welding flange, each with rings and rings. When flange dimensions are used to determine flange dimensions, the nominal diameter and nominal pressure of the flange ...

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Defects and solutions of stainless steel flanges in processing

In the production and processing of stainless steel flanges, no matter what kind of processing methods will be used in some defects, although the defects can not be 100% to eliminate points, but as long as carefully grasp the method, ...

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The process of forging flange

The production process flow of forging flange: the process of forging process is composed of the following procedure, which is to select the high quality steel billet, heat, shape and forge to cool down. The forging process has a free ...

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Method of Making Large Diameter Flange

The manufacturing method of large diameter flange is usually made of steel plate cutting, cold bending or rolling, and then it is machined by large vertical lathe. The standard size of large diameter and the size of the standard are ...

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How to judge the flange was corroded

Flange in the use of industrial structures, mainly to improve the role of the connection, and to keep the seal of the pipeline no leakage, but many of the national standard flange after the use of a period of time ...

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The distinction between forged flange and cast flange

Flange manufacturing process, including forging and casting two processes, the two of them in the end what is the difference? Different in craftsmanship Forging flange process: forging is the metal heated to soften the state, through the external force hit, ...

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The historical development of flange

The flange of the casting is the first time in 1809 by the British Irish tjaart (Erchardt) proposed, until the early twentieth Century was gradually being used to promote the flange. In 30s, our country began to make use of ...

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Pressure Rating ANSI Class vs Nominal Pressure (PN)

“Pression Nominal” is the rating designator followed by a designation number indicating the approximate pressure rating in bars. Piping Class Ratings based on the ASME B16.5 – Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard – ...

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What is a Blind Flange?

Blind flange is a kind of a solid round plate with no center holes but with uniformly distributed bolt holes along the periphery of the plate. It is used for covering or closing the end of a pipe or conveniently ...

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Compact and standard of the flanges

Standard of the flanges   There are many different flange standards to be found worldwide. To allow easy functionality and inter-changeability, these are designed to have standard dimensions. Common world standards include ASA/ANSI/ASME (USA), PN/DIN (European), BS10 (British/Australian), and JIS/KS (Japanese/Korean). ...

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