Classification of flanges
1. The material is divided into carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum alloy
2. To divide the production method can be divided into forging flange, casting flange, welding flange.
3. To the standard manufacturing division can be divided into national standard (Ministry of Chemical Industry standards, oil standards, power standards), American Standard (ASTM), German standard (DIN), Japanese standard (JB) and so on.

High-quality products

Slip On Flange generally only connected with the pipe, but can not be directly connected with the pipe fittings; Butt welding flange can be generally all welded pipe fittings (including elbow, tee, reducer, etc.) directly connected, of course, including pipeline.

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Steel Flange Production Process                      

Steel Flange workshop

Production Process