UA-69298255-2 Blog Little P.Eng. for Engineers Training

May 20, 2020

A pipe having a branch connection is weakened by the opening that is cut in it, so it may be necessary to provide reinforcement to replace the metal removed from the wall thickness at the opening. A typical fabricated tee is shown in Figure 2-2. 

For fabricate...

May 20, 2020

Pressure design of flanges is a complex task, requiring consideration of the configuration and materials of the flange, bolts, and gasket. Potential causes of failure are bending stresses in the flange, localized stress concentrations in the hub, yielding of the bolts,...

May 19, 2020

When using elbows, the minimum wall thickness after bending shall not fall below that calculated for straight pipe. For mitered elbows, the maximum allowable pressure is calculated differently depending on whether the angle of the miter cut is less than or greater than...

July 30, 2017

An extruded outlet header is a branch connection formed by extrusion, using a die or dies to control the radii of the extrusion. Paragraph 304.3.4 provides area replacement rules for such connections; they are applicable for 90-deg. branch connections where the branch...

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