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Sponsored Article

Printing Under Pressure: R. STAHL Ex p Printer Solutions

08 August 2012

Need to print in a hazardous area? R. STAHL now offers a solution: a standard printer within a newly developed Ex p enclosure (pressurized enclosure). A door on the front side allows users to remove the printed labels without having to switch off the printer. The enclosure also features a side door and a slide-out bottom with a handle, ensuring easy access for maintenance.

Ex p protection is provided by first flushing out existing explosive gases from a closed casing and then creating and maintaining a positive internal pressure in relation to the surrounding atmosphere. Due to the higher pressure within the enclosure, explosive gases from the surrounding atmosphere cannot enter. The right combination of purge gas flow, enclosure dimensions and size of the front door creates a safe zone all around the printer which would otherwise act as an electrical and thermal ignition source. Thanks to this degree of protection, it is therefore not necessary to observe the energy consumption when selecting a printer. Further benefits include: larger windows allowing a better view of the printer display inside the enclosure and made-to-measure enclosures.

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