Welch offers programmable vacuum controllers for process control in the rough vacuum range 1100 to 1 mbar. Controlled pressures and processes guarantee high reproducibility and recovery yields in distillation processes. Furthermore, controlled processing leads to significantly lower operation costs and less environmental damage. Measuring sensors and electromagnetic ventilation valves can be externally mounted as a complete building group. They belong to the scope of supply of the controller.
The connections are available in different lengths, max. 5 m. The vacuum control box VCB 521 is available in four types to allow the control of different vacuum sources.