Press release
Overpressure system with gas detection for hazardous areas (ATEX/IECEx)
Pressurized system mounting plate with gas detection
The explosion protection at the "overpressure system 2.0" is realized by operating a non-explosion-protected equipment in a protected enclosure. This housing is protected by a durable pressure with air or an inert gas prior to penetrate the enclosure or cabinet by possibly explosive atmosphere. In the new approach developed by Quintex, it is not flushed, but released for operation by a gas detector of the cabinet. This ensures that no explosive gas/air mixture is present. This saves time, programming knownledge and expensive pressurized air and accelerate the operation of the non ex devices.
The safety of this new way is approved by 2 different approval test houses. So it was possible to get it approved as IECEX and ATEX.
In operation and after releasing, a positive pressure in the mbar range is maintained within the cabinet. On the input side of pressurized air (gas) you can uses solenoid valves (open / closed) as well as proportional valves to cover the air leakage of the cabinet.With our control unit for digital valves, the pressure air is supplied through a hysteresis in the range of 6mbar(hPa) (valve open) and 10mbar(hPa) (valve closed). This can be omitted expensive proportional valves and simultaneously thus leakage changes (e.g: Increasing the leakage losses due to aging processes), are automatically compensated.
To show you the use click this link: https://youtu.be/DAnfOI3OYXM
Quintex GmbH
i_Park Tauberfranken 13
97922 Lauda-Koenigshofen
Germany
info@quintex.info
www.quintex.eu
Quintex GmbH manufactures and supplies material for trace heating (heating tapes, heating cables, controller, connection sets) and explosion protection ( Ex e terminal boxes, pressurized systems, line bushings,own range of local control function, local control stations - all can be specified and ordered online)
We manufacture all our material in our own approved (ATEX, ISO, FM, CSA...) facility.
By this we can guarantee our high level of quality, reliability and in time delivery.
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