CONVAL® Service Release 11.1

Multilingual version (English, German, Chinese)

The CONVAL Service Release 11.1.0 provides the following improvements:


  • Display issues with scaling for high-resolution screens have been fixed.
  • Problems with opening multiple calculations via the Open dialog have been fixed.
  • Search for Chinese substance and material names is now supported.
  • Extended option to control the printout of calculations by sections
  • In the database programs, Excel data sheets with formulas are supported during import.
  • Improved client setup at network installation fixes problems with accessing the help function
  • Occasional issues when opening calculations with gas or liquid mixtures have been fixed.
  • Improved print preview via Microsoft WebView2 instead of Internet Explorer with PDF plugin

Actuated Valves

  • Minor improvements and fixes of stability problems
  • Specifying multiple flanges for valves and actuators is supported by the database.
  • When specifying valves in the database, an additional user-defined identifier can be assigned.
  • The minimum air pressure required for the valve torques is displayed in the actuator selection.
  • In addition to scotch yoke and rack and pinion actuators, diaphragm and vane actuators are now supported.

Control Valve

  • Minor improvements and fixes of stability problems
  • Display issues in the piping selection dialog have been fixed.

Differential Pressure Flow Elements

  • Minor improvements
  • Revised uncertainty calculation for pitot tubes. The Uncertainty of the pipe diameter was not sufficiently considered in the overall uncertainty calculation.

Restriction Orifices

  • Minor improvements and fixes of stability problems
  • Revised calculation of multi-stage single-hole orifices at very high Mach numbers.

Details about other improvements and error corrections can be found on the download page in the version history and in the known bugs section.

The service release can be downloaded free of charge.