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Merv Rating For Wood Dust. Merv stands for minimum efficiency reporting value. The problem is at the point of capture. if you attended my popular woodworking webinar class, dust collection systems:
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Dust particles of less than 10 microns constitute the primary respiratory health risk to woodworkers. Efficiency rating (merv) 15 16 16 10 16 10 16 10 inner core options polypropylene, perforated metal (galvanized and stainless steel options) polypropylene,. Filters with higher merv ratings capture smaller particles than those with lower merv ratings.
Choosing The Right Filter And Merv Rating For Your Dust Collector Is Based On Your Application And The Dust Particles You Need To Capture.
Wood dust can irritate eyes, noses and throats, trigger asthma and has been linked to some forms of cancer. The range is from 1 (lowest efficiency) to 20 (highest efficiency). Your filter needs to have the right merv rating for your dust size.
You Can See Another Example With The Filtration For Oneida’s Dust Gorilla Cyclones:
Filters with higher merv ratings capture smaller particles than those with lower merv ratings. The key factor in deciding which merv rating will maximize your collector’s performance and efficiency at the best value is to look at the size of the dust particles in your work environment. While residential air filters most commonly have merv ratings between 1 and 12, industrial air filter ratings are usually between 6 and 15.
Dust Produced By Woodworking Operations Is Abrasive And Poses A Challenge For Industrial Ventilation.
Cartridge dust collectors specialize in filtering out very fine particulates, with efficiencies reaching as high as 99.97% at 0.3 microns and a merv 16 rating. Choosing, installing and maximizing performance , you learned some of the science. Efficiency rating (merv) 15 16 16 10 16 10 16 10 inner core options polypropylene, perforated metal (galvanized and stainless steel options) polypropylene,.
The Chart Below Identifies The Differences Between The Three Versions:
Dust from cutting and sanding wood might seem harmless, but health and safety hazards lurk in the airborne particles that come from woodworking. I trust 3m (filtrete) and honeywell filters. The conditions that separate a merv 13 performance rating from a merv 14 performance rating represent only a brief portion of the dust collector filter’s life.
The Merv Rating That Is Established During The Initial Few Minutes Of The Filter’s Life Cannot Predict The Effectiveness Of The Remaining 6 To 24 Months Of The Filter’s Life.
Some of the common particles related to merv ratings are pet dander, insecticide dust, smog, dust, viruses, wood, tobacco smoke, spores, bacteria and pollen. Don't trust other brands unless you can verify they do what they claim. A merv rating chart shows a numerical value.
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