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CALHYDRA Help
CALHYDRA Help
  • Start
  • User interface
  • Drinking water
  • Waste water
  • Heating
  • Appendix
  • Glossary
  • Support
Index
  1. Home
  2. Appendix

  3. Dialogues and additional information

  4. Diaphragm expansion vessel
  5. Pressure ranges of the diaphragm expansion vessel

    The Characteristic curve window shows the pressure distribution of a selected diaphragm expansion vessel in the drawing.

  • Appendix

    • Dialogues and additional information

      • Wastewater lifting unit
      • Design options (waste water)

        Drawing-specific settings relating to your calculation are set in the Design options dialogue.

      • Design options (heating)

        Drawing-specific settings relating to your calculation are set in the Design options dialogue.

      • Design options (drinking water)

        Drawing-specific settings relating to your calculation are set in the Design options dialogue.

      • Construction stages

        You can divide a drawing into construction stages so that you can later create a material extract according to construction stages.

      • Component properties

        In the Edit and Calculate work perspective, your selection in the drawing is highlighted in colour. Section properties and component properties can be displayed and edited differently from the global project settings.

      • Component filter

        The component filter allows you to quickly filter the selected components in the drawing.

      • Drainage areas

        The Drainage areas window in the Drainage section is divided into two tabs.

      • Find function

        CALHYDRA has a parameterised search function that supports you when searching for drawn sections and components in the drawing and when selecting products.

      • Hydraulics report

        With the preview of the calculation output, CALHYDRA supports you in customising the calculation output.

      • Mass extract

        With the preview of the mass statement, CALHYDRA supports you in customising the printout of the masses.

      • Material editor

        With the material editor, CALHYDRA supports you with convenient and fast determination of your dimensions.

      • Diaphragm expansion vessel
        • Design of a diaphragm expansion vessel

          To design a diaphragm expansion vessel, several calculation parameters are required, which are distributed over three components.

        • Pressure ranges of the diaphragm expansion vessel

          The Characteristic curve window shows the pressure distribution of a selected diaphragm expansion vessel in the drawing.

      • Options Wizard (waste water)

        The options wizard guides you through the settings for the design.

      • Options assistant (heating)

        The options wizard guides you through the settings for the design.

      • Options Wizard (drinking water)

        The options wizard guides you through the settings for the design.

      • Project data

        The Project data dialogue contains project information for the current project, for example for the project cover sheet or to determine the rainfall donations.

      • Product sequence or product selection

        In the Product sequence or Product selection dialogue, select the product sequence or a product for components.

      • Project data

        The Project data dialogue contains project information for the current project, for example for the project cover sheet or to determine the rainfall donations.

      • Simulation

        The simulation is divided into a circulation simulation for hot and cold water and a simulation of a cold water hygiene system.

      • Section properties

        In the Edit and Calculate work perspective, your selection in the drawing is highlighted in colour. Section properties and component properties can be displayed and edited differently from the global project settings.

      • Insert drawing reference

        The Insert drawing reference function guides you through the settings for inserting a drawing reference.

      • Water softening system

Pressure ranges of the diaphragm expansion vessel

The Characteristic curve window shows the pressure distribution of a selected diaphragm expansion vessel in the drawing.

Components in the diagram:

  • Static pressure pst
  • Pressure p0
  • Minimum filling pressure pa,min
  • Water supply protection
  • Maximum filling pressure pa,max
  • Rest pressure range
  • Ultimate pressure pe
  • Set pressure of the safety valve pSV
See also
  • Characteristic curve
    The Characteristic curve window displays the characteristic curve including the operating points of a valve or appliance.
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