Breathing Air Requirements
Respirable, at least Grade D breathable air must be supplied at all times to the Clean Air Box (CAB)
Series units, and is the responsibility of the user or employer. Supplied High Pressure Compressed
Air must AT A MINIMUM meet the requirements for Grade D breathable air as described in the
Compressed Gas Association Commodity Specification G-7.1 , and as specified by Federal Law 42 CFR
Part 84, Subpart J, 84.141(b), and 29 CFR Part 1910, Subpart I, 1910.134(i)(1).
The requirements for Grade D breathable air include:
Oxygen ...............................................................19.5-23.5%
Hydrocarbons (condensed)
in mg/m3 of gas ..............................................5 mg/m3 max.
Carbon monoxide ...........................................10 ppm max.
Carbon dioxide ...............................................1,000 ppm max.
Odor ...................................................................*
No toxic contaminants at levels that make air unsafe to breathe.
* Specific measurement of odor in gaseous air is impractical. Air may normally have a slight odor. The
presence of a pronounced odor should render the air unsatisfactory.
Contact the Compressed Gas Association www.cganet.com for complete details on Commodity
Specification G-7.1.
Air Source for Clean Air Boxes (CAB) Units
Locate the source of supplied air in a clean air environment containing at least Grade D breathable air at all times. Locate the air source far enough from
your work site or hazardous exhaust emissions to ensure the air remains contaminant-free and at least Grade D at all times.
Always use an inlet filter on your air source. Use suitable after-cooler/dryers with filters, and carbon monoxide monitors and alarms, as necessary to assure
clean, at least Grade D breathable air at all times.
Industrial high pressure compressors that send compressed air into a storage air tank are normally the air source for Clean Air Boxes (CAB) units. These
Industrial compressors come with after-coolers and dryers, filters, CO monitors, and alarms as necessary to provide high pressure compressed air. As
the compressed air is distributed throughout a facility, certain areas may need additional filtering and CO monitoring to meet the Grade D breathable air
requirements.
Bullard Clean Air Boxes (CAB) MUST be supplied with at least Grade D breathable air. Clean Air Boxes (CAB) do NOT create Grade D breathable air. The
air source should be regularly sampled to be sure that it meets at least Grade D requirements at all times. Failure to regularly sample the air to assure
it is at least Grade D breathable air at all times can result in death or serious injury or life-threatening delayed lung disease including but not limited to
silicosis, pneumoconiosis, or asbestosis.
Filtration Efficiency
1st Stage .............................Particulate/Bulk Liquid Separation ................................ Auto drain. Removes 95% of solid contaminants and bulk liquids down to five
2nd Stage ...........................Oil Coalescing and Ultra Fine Particulate .................... Auto drain, filter change indicator. Removes extremely fine oil mists down to .01
3rd Stage ............................Activated Charcoal ............................................................. Manual drain, filter change indicator. Removes unpleasant oil and hydrocarbon
These units will not remove Carbon Monoxide (CO), Carbon Dioxide (CO2), Nitrogen, or other toxic gases or fumes. These units will not increase the
oxygen content of an air supply and should not be used when air entering the system is oxygen deficient. Air filtration systems must be operated in the
upright position to allow the auto drains to properly seat. The standard Clean Air Box (CAB) filtration units are not explosion proof and should not be
located in an explosive environment. Failure to read, understand and follow these instructions could cause death or serious injury .
California Proposition 65
Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Table of Contents
Breathing Air Requirements ...................................................................1
Filtration Efficiency ..................................................................................1
CAB Specifications ...................................................................................2
Respirator Capacity .................................................................................2
Air Monitoring ..........................................................................................2
Monitor Specifications ............................................................................2
CAB Set Up and Operation .....................................................................3
System Maintenance ...............................................................................4
Clean Air Boxes (CAB) Series
WARNING
(5) microns
microns.
vapors and odors from the air. Maximum remaining oil content is 0.003 ppm
by weight.
WARNING
WARNING
Cáncer y Daño Reproductivo - www.P65Warnings.ca.gov.
Cancer et Troubles de l'appareil reproducteur - www.P65Warnings.ca.gov.
Battery and Sensor Replacement ...................................................... 4-5
Replacement Filter Information ...............................................................
CO Montior Troubleshooting ...............................................................11
Warranty Information ...........................................................................12
www.bullard.com
Propuesta de California 65
Proposition de la Californie 65
CAB15 .....................................................................................................6
CAB30 .....................................................................................................7
CAB50 .....................................................................................................8
CAB100 ...................................................................................................9
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