Each model in the range is equipped with three stages of filtration on the negative pressure (suction) side of the motor. The first stage is a sealable disposable microfibre bag, the second is a high-efficiency filter assembly using a filter medium that is specially designed as a pre-filter material for HEPA (High Efficiency Particulate Air) filters. The third stage is an oversized HEPA cartridge filter (H14 as standard) housed in a sturdy replaceable module. Every Class H vacuum cleaner is individually DOP tested on calibrated test equipment to achieve a filtration efficiency of greater than 99.995% up to 0.6 microns.
An area in which an explosive gas atmosphere is not likely to occur in normal operation and, if it occurs, will only exist for a short time.
A place in which an explosive atmosphere in the form of a cloud of combustible dust in air is not likely to occur in normal operation but, if it does occur, will persist for a short period only.
The KAV range of portable compressed air powered vacuum cleaners includes a handheld model to remove a wide variety of debris.
The unique features across all of the products are a fully conductive accessory kit, stainless steel canisters mounted on a stainless steel caddy fitted with conductive braked castors and wheels.
Each machine is issued with an earth path continuity certificate and where applicable the Class H versions include a filtration test certificate.
