Flange basic introduction-phase 6
Sheet metal flanger is a tool used in metalworking to create a flange, or raised edge, on a piece of sheet metal，our company can provide such products, if you are in need of it please contact us for a quote.
Pipe flanges and their gaskets and fasteners are collectively referred to as flange joints.
Flange joint is a kind of component which is widely used in engineering design and involves a wide range of areas. It is an essential part of pipe design and pipe fitting valves, and it is also a necessary component in equipment and equipment components (such as manholes, sight glasses, liquid level gauges, etc.). In addition, other professions such as industrial furnaces, thermal engineering, water supply and drainage, heating and ventilation, automatic control, etc., also often use flange joints.
Forged steel, WCB carbon steel, stainless steel, 316L, 316, 304L, 304, 321, chromium molybdenum steel, chromium molybdenum vanadium steel, molybdenum dititanium, rubber lined, fluorine lined material.
Flat welded flange, neck flange, butt welded flange, ring joint flange, socket flange, and blind plate, etc. Implementation standards: GB series (national standard), JB series (Mechanical department), HG series (chemical department), ASME B16.5 (American standard), BS4504 (British standard), DIN (German standard), JIS (Japanese standard).
There are two main international pipe flange standards, namely, the European pipe flange system represented by the German DIN(including the former Soviet Union) and the American pipe flange system represented by the American ANSI pipe flange.
Threaded flange - one of 12 kinds of flanges
The threaded flange is a kind of non-welded flange that processes the inner hole of the flange into a pipe thread and is connected with a pipe with a thread.
Advantages: Compared with flat welding flanges or butt welding flanges, threaded flanges have the characteristics of convenient installation and maintenance, and can be used in some pipelines that are not allowed to be welded on site. Alloy steel flange has enough strength, but it is not easy to weld, or the welding performance is not good, you can also choose threaded flange.
Disadvantages: When the pipe temperature changes sharply or the temperature is higher than 260 ° C and lower than -45 ° C, it is recommended not to use threaded flanges to avoid leakage.
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