Basic introduction and use of flange


Date:

2023-09-28

Flange joint is used in engineering design is very common, involving a very wide range of parts. It is an essential part of piping design, pipe fittings and valves, and is also an essential component of equipment and equipment parts (such as manholes, sight glass level meters, etc.). In addition, other professions such as industrial furnaces, thermal, water supply and drainage, heating and ventilation, automatic control, etc., also often use flange joints.

Basic introduction of flange

Pipe flanges and their gaskets and fasteners are collectively referred to as flange joints.

Application:

Flange joint is used in engineering design is very common, involving a very wide range of parts. It is an essential part of piping design, pipe fittings and valves, and is also an essential component of equipment and equipment parts (such as manholes, sight glass level meters, etc.). In addition, other professions such as industrial furnaces, thermal, water supply and drainage, heating and ventilation, automatic control, etc., also often use flange joints.

Material:

Forged steel, WCB carbon steel, stainless steel, 316L, 316, 304L, 304, 321, chromium molybdenum steel, chromium molybdenum vanadium steel, molybdenum titanium, rubber lining, fluorine lining material.

Classification:

Flat welding flange, neck flange, butt welding flange, ring connection flange, socket flange, and blind plate, etc.

Executive standard:

There are GB series (national standard), JB series (mechanical department), HG series (chemical industry department), ASME B16.5 (American standard), BS4504 (British standard), DIN (German standard) and JIS (Japanese standard).

international pipe flange standard system:

There are two main international standards for pipe flanges, namely, the European pipe flange system represented by German DIN (including the former Soviet Union) and the American pipe flange system represented by the American ANSI pipe flange.

In addition, there are Japanese JIS pipe flanges, but they are generally only used for public works in petrochemical plants, and they have little international impact.

Key words:

Forgings
Flange

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