Pipe flanges, their gaskets, and fasteners are collectively referred to as flange joints.
1. Application:
Flange joints are a type of component that is widely used and involves a wide range of aspects in engineering design. It is an essential component in piping design, pipe fittings, and valves, as well as an essential component in equipment and equipment components such as manholes, sight glasses, and liquid level gauges. In addition, flange joints are often used in other professions such as industrial furnaces, thermal engineering, water supply and drainage, heating and ventilation, and automation.
2. 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.
3. Classification:
Flat welding flange, neck flange, butt welding flange, ring connection flange, socket flange, and blind plate, etc.
4. Executive standards:
There are 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).
5. International Pipe Flange Standard System:
There are two main international standards for pipe flanges.
European pipe flange system represented by German DIN (including the former Soviet Union)
The American pipe flange system represented by American ANSI pipe flanges.