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Mini-pleat Separatorless style HEPA/ULPA FiltersMini-pleat Separatorless style HEPA/ULPA Filters
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VH High Velocity HEPA Filter(Closed-pleated HEPA filters for AHU)VH High Velocity HEPA Filter(Closed-pleated HEPA filters for AHU)
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GGVH High Velocity HEPA FiltersGGVH High Velocity HEPA Filters
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WCB Chemical Air FilterWCB Chemical Air Filter
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Air Filters for indoor applicationAir Filters for indoor application
efficiency
Air Filter-Permeation rate & Resistance, with
the aerosol of the sodium chloride water
solution. It intrigues Na with H2 flame at a
high temperature to let it give off a
characteristic ray of about 589nm, and transfers
it to the current value by the optoelectronic
converter so as to get the initial efficiency of
each filter. Our factory uses the Na flame test
desk to detect each high-efficiency filter with
clapboard before ex-work.
laser
particle counter with large flux to scan and
test the whole wind-out surface, the counter
gives out the quantity and particle diameter of
each dust.
