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7/27/2019 Tutorial for the Test Pressure Calculation
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Tutorial for the test pressure calculation with PED Professional
To start the test pressure calculation, click on the symbol "Test pressure" in the toolbar or in the left quick start menu under the register "Tools"
in the software PED.
Please enter the general data about the project, as the project name and optional description.
Now the design data like wall thickness, temperature and pressure are entered
Project data
Design data
Wall thickness emin in mm: minimum wall thickness of the component.
Design temp. TS in °C: Maximum allowable temperature in °C.Max. allowable pressure Ps in bar: Maximal allowable pressure of the equipment.
Design pressure Pd at Td in bar: Design pressure Pd in bar at design temperature Td
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The values are shown in the drawings.
In the next section, you can either enter a material and select the appropriate material type from the list or choose a material with the associated parameters from
the PED Professional material database. If you configured a special database connection for your material database the settings could be entered by clicking on
"Configure database". In all other cases, the default database is used
After the selection of a material from the database, the material type is automatically determined. You can change these proposals at any time or enter
them completely by hand.
List of materials
The type of material is crucial for determining the calculation.
Choose the testing group of your pressure equipment. Click on help to get additional information.
Choose your material group, if your pressure equipment belongs to testing group 4. Enter the corrosion allowance if needed.
Formulas for calculating the design strengths and the test pressure. The correct formulas will be shown after choosing the material type (3) and the
material and testing group (4).
The values for the tensile strength (Rm) and for the proof strength (Rp) are filled after choosing a material from the database or could be manually
filled in. After every change the test pressure is calculated.
Parameters relevant to the calculation are highlighted in blue.
Material properties
Testing group
Formulas
Allowable design strengths
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Here are the results of the calculation with the formulas from (5).
Exceptions and special cases
You find all the important program features in the footer:
Printing
Results of the test pressure calculation
Attention
Footer
Load data Previously stored dataon diskcan be re-opened and amended
Current data will be overwritten!
Attention
Save data Data wil l be saved to disk under a chosen filename.
Reset data The current data will be reset after a security check to the standard data
Current data will be overwritten!
Attention
Help Opens help, where you are in this moment.
Print (German) Start's the preview of the German report. This presentation can be output to a printer or be saved as
pdf file.
Print (English) Start's the preview of the English report. This presentation can be output to a printer or be saved as pdf
file.
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