Back purging poses a challenge to quality inspectors: fine-grained foods make the validation of the protective gas atmosphere more difficult, because tiny particles clog the filters on the gas analysers. Witt Gas’s back-purging filter extends the service life of these devices.
The device is built into the suction pipe, where it does its job automatically. Whether milk powder, coffee or flour dust, the device registers the accumulation of particles on the filter, from the resultant line pressure increase. If the filter gets clogged, it is blown clean from behind. It is also possible to run this filter flushing manually. No changes to the gas analyser are required and the filters remain untouched.
The device’s stainless steel housing measures 172 x 242 x 343 mm (HxWxD) and it uses a 230 V power supply. Pressure control switches and pressure gauges are located on the front panel.
Phone: 03 9484 1490
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