Special Flanges – Orifice Flange, Long Weld Neck & Reducing Flange

In this article, I have tried to cover some of the special flanges such as Orifice flange, long weld neck flange, reducing and expanding flanges and flange olet that used in piping and equipment.Special flanges are not as common as regular flanges.

What is a Butt Weld (Buttweld) Fitting?

A buttweld fitting is a weldable pipe fitting that allows for change of direction of flow, to branch off, reduce pipe size or attach auxiliary equipment.