What Are The Requirements for Flange Connection on Pipe?

When piping use flange connection, should meet the following requirements:

1.The flange shall be concentric with the pipe and the two flanges shall be parallel;

2.Bolts should use the same specifications, and the installation direction should be consistent; Bolts should be symmetrical tightening, fastening bolts should be exposed outside the nut;

3.The first to second rigid interfaces adjacent to the flange sides, or welded interfaces, the flange bolts can be fixed before construction;

4.Flange interface buried in the soil, should take anti-corrosion measures.

We specialize in the production of various flanges, including Weld Neck Flange, Slip on Flange, Socket Weld Flange, Lap Joint Flange.