General information

• The explosion protection by pressurized system is realized by using the non-explosion devices in a overpressurized housing. This housing by a permanent pressure with air or inert gas keeps away a potential explosive atmosphere. Depending on the application and existing explosion protection zone, before using the devices or controlsystems the housing be released by a das detection. This will ensure that not a possibly explosible atmosphere exists in the housing existing.Depending on the application and the existing atmosphere (gas or dust), at a start-up of the cabinet QUINTOS Exp will released by gas measurement.
  After releasing, the housing is closed, air or inert gas for leakage compensation is launched in the QUINTOS . This is time saving (fast release of the panel) and cost saving (no expensive pressurized air for flushing). This pressure is approx. 5 mbar.
  In all zones the control unit QPU can be used. It works with a digital valve or a proportional to compensate the leakage of the panel or enclosure.
  
  Audio description of the overpressure function with gas detection release