F.I.R.S.T. Gesellschaft für technisch-wissenschaftliche Softwareanwendungen mbH, based in Wermelskirchen, came into being in 1989.

The company's goal is to continuously improve CONVAL®, a software product for PCs that was developed by the founding fathers during the years preceding the startup, and to sell it in the international marketplace.

CONVAL® - the PC software for engineers, planners and operators of industrial plants.

CONVAL® integrates extensive calculation functionalities for components and processes in industrial systems, based on tried-and-tested methods, such as DIN, VDI, VDMA EN/ISO and ISA.

By strictly avoiding all forms of dependence on equipment manufacturers, CONVAL® guarantees flexible, professional working.

The range of available calculations extends from control valves and throttle elements through piping systems to heat exchangers, including integrated property calculations (based on a property database) and comprehensive databases fo