The "W" in steel I-beam designations refers to wide-flanged beams. Most wide-flanged beams are symmetric about both the vertical and horizontal axes.
the advantage is that flanged joint more usable than the welded joint.
Advantage of T beam
Forged steel gate valve flanged is just a gate valve which with a flange.
Flange refers to a shape, not a material. Flanged wheels can be made out of just about anything, plastic, metals, composites
Grown ups
No.
A tubular trap with a flanged connector to the U bend
Raised Face Flanged End
Brennan Beams goes by Beams.
A flanged ball valve is generally selected because it allows for easy removal of the ball valve for replacement or repair. With NPT, socket weld, or butt weld connections, the piping of the valve must be disturbed. With flanged, the piping remains intact which can greatly reduce maintenance costs. Please go to ValveMam.com for more information. Their blog has a lot of tremendous resources.
There is no specific collective noun for beams, however you can use any noun that is suitable for the context, for example a row of beams (support beams), an agitation of beams (flashlight beams), etc.