Purpose of flange

Pipe flanges, as the core components of pipeline systems, together with gaskets and fasteners, form flange joints, which play a crucial role in pipeline connections. It has a wide range of applications, not only indispensable in piping design and valve fittings, but also an important component of equipment and its parts such as manholes, sight glass level gauges, etc. In addition, flange joints are also an indispensable connection method in various professional fields such as industrial furnaces, thermal engineering, water supply and drainage, heating and ventilation, and self-control.

In terms of materials, pipe flanges have a wide range of options, including forged steel, WCB carbon steel, stainless steel, and various alloy steels. According to different connection methods and shapes, flanges can be divided into types such as flat welding flanges, neck flanges, butt welding flanges, ring connection flanges, socket flanges, and blind flanges. In addition, different countries and industry standards such as GB series, JB series, HG series, and ASME B16.5 provide corresponding specifications and standards for flange joints.