Neck Butt Weld Pipe Flange (WN) Dimensions

Neck Butt Weld Steel Flange (WN flange) is a commonly used flange connection, which has good sealing and load-bearing capacity. When using this type of flange, you need to pay attention to the size matching. The following are the standard sizes of common neck butt weld steel flanges:

1. Size: 1/2"~48"

2. Wall thickness: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140, SCH160

3. Neck length: generally 13mm, 16mm, 19mm, 25mm, 32mm.

4. Flange thickness: According to different pressure levels, it is divided into Class 150, Class 300, Class 600, Class 900, Class 1500.