ASTM A234 WPB pipe fittings carbon steel elbows measures the distance from the center when they change directions
These A234 WPB SCH 80 Elbow are also available in a wide size range. The purpose to use a ASTM A234 gr WPB elbow is to change direction or flow in a piping system.
Elbow A234 WPB are devided into two categories which define the distance over which they change direction; the center line of one end to the opposite face. The ends may be machined for butt welding , threaded , or socketed , so the elbows are consist of butt weld,thread elbow.socket elbow and other series.the material is selected according to the application use such as high temperature use,sanitary fitting,regular industrial use etc.