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Basic introduction to flange

  • Author:Agnes
  • Release on :2020-04-17
Basic introduction to flange

1. Application:

Flange joint is a kind of component that is very commonly used in engineering design and involves a wide range of surfaces. It is an indispensable part for piping design, fittings and valves, and it is also an essential component in equipment and equipment parts (such as manholes, sight glass level gauges, etc.). In addition, other specialties such as industrial furnaces, thermal engineering, water supply and drainage, heating and ventilation, automatic control, etc., also often use flange joints.

2. Material:

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

3. Classification:

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

4. Executive standard:

There are GB series (national standard), JB series (Ministry of Machinery), HG series (Ministry of Chemical Industry), ASME B16.5 (American Standard), BS4504 (British Standard), DIN (German Standard), JIS (Japanese Standard)

5. International pipe flange standard system:

There are two main systems of international pipe flange standards.

European pipe flange system represented by German DIN (including the former Soviet Union)

American pipe flange system represented by American ANSI pipe flange.