Personal protective equipment
The impurities that gather into the air filters of ventilation systems are harmful to human health. This is why the filters should be changed at least 1-2 times a year.
Maintenance and changing intervals of filters depend on the location of the ventilation aggregate and the peculiarities of the treated air.
The maintenance norms and practices of more widespread systems are the following:
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Pre-filters – The filter must be changed when differential pressure aka filter obstruction is 100 Pa or bigger (depending on material)
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Bag filters – to be changed when filter obstruction is 200 Pa or bigger.
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Compact broad surface filters – to be changed when filter obstruction is 400 Pa or bigger.
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Charcoal filters – maximum usage period 12 months.
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HEPA filters – depending on usage intensity, maximum usage period 24 months (if pre- and precision cleaning filters have been changed regularly.
Changing filters:
The following personal protective equipment is recommended while changing the filters:
Before start:
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The ventilation appliance must be switched off.
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Remove the old filter carefully from the appliance.
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Pack the old filter into an airproof bag, seal carefully and take to a waste dump.
Used air filters can not be taken openly through a building, be left behind or discarded without proper packaging!
For better protection of your health we offer you different personal protective equipment.
There are dust masks, gloves, single-use anti-exposure suits, etc available.
1. Place the mask on your face according to directions and check the tightness before entering a dusty room.
2. Avoid removing the dust mask in the dusty room.
3. A dust mask is used up and must be discarded when:
- it has been removed in a dusty room;
- there is breathing difficulty or discomfort due clogging of the mask;
- the mask has been damaged.
4. Exit the dusty room if you feel dizzy, irritation in respiratory system or other aggravating symptoms.
5. One dust mask can be used only during one working sift.
