November 7, 2010 - Pepperl+Fuchs introduces the 5000Q Purge and Pressurization System. With a robust display screen and intuitive menus, the field-configurable 5000Q system facilitates simple installation and safe, seamless operation of general purpose equipment, mounted in certified enclosures, within Zone 2, Zone 22 hazardous areas. With user-selectable programming, the 5000Q makes it easy for the user to select the specific program to satisfy their application needs. It compact size (122 mm x 120 mm x 90 mm) and easy-to-mount components make it simple for users to quickly mount the 5000Q onto an existing enclosure.
Finally, an integral pressure sensor facilitates automatic purging and pressurization through the digital solenoid valve.The 5000Q purge and pressurization system also allows the direct connection of PT100 RTD temperature sensors, which provide alarm contact outputs for user configurable set points. Should the temperature exceed these set points, the digital valve will activate to automatically cool the enclosure’s interior.Suitable for a wide range of applications, purge and pressurization protection is one of the most flexible Ex protection solutions available today.
The principal behind a purge and pressurization system is to ensure that the inside of the enclosure is safe by keeping the corrosive, dusty, and potentially explosive atmosphere from penetrating the enclosure, by virtue of an overpressure within the enclosure.