What is the reference for standard nozzle local loads, and how are they calculated?


Problem:

What is the reference for standard nozzle local loads used in analysis? How are these loads calculated?

Solution:

The “Fill from Standard” option in the Local Loads dialog box for a nozzle uses predefined default load values for the selected nozzle.
These values are retrieved from the Nozzleloading.xlsx customization file located at:
C:\Users\Public\Bentley\AutoPIPE Vessel\AutoPIPE_Vessel_47\Config

This file contains standard data such as NPS, flange rating, and corresponding allowable loads. Users can modify this file as per project requirements to customize the default values.

Please note that these loads are provided for reference only and are not calculated using any specific formulas within the software. Instead, the software checks the local stresses against these externally applied local loads, and the resulting stresses must remain within allowable limits to satisfy code requirements.

There is no single defined source for these standard loads. They are intended as guidance and can be updated by users based on their needs.
Common industry references for nozzle loads include:

Users should select appropriate values based on their project specifications.


See Also

Bentley AutoPIPE Vessel

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