BS4504 Flat Welded flanges

Flat welded flange refers to a flange that is related with a container or pipeline by means of fillet weld. It is an arbitrary flange. During the design, in accordance to the integrity of the connection between the flange ring and the straight cylinder section, it is checked in accordance to the fundamental or free flange respectively. Flange rings are handy with and besides neck. Compared with the butt welding flange with neck, the flat welding flange has a easy shape and saves materials, however the stiffness and tightness are now not as desirable as the butt welding flange with the neck. Flat welded flanges are broadly used in the connection of medium and low strain vessels and pipelines.

Plate flat welded metal pipe flange, flat welded metal pipe flange with neck

Flat welded flanges are appropriate for piping structures with low strain tiers and low stress fluctuations, vibrations and vibrations. The gain of flat welding flange is that it is less difficult to align when welding and assembling, and the charge is enormously cheap, so it has been extensively used.

Product specs DN10-DN2000

Flat welding flanges are no longer allowed to be immediately welded with tees, elbows and different pipe fittings, and straighten pipe sections are required.