HAL Extraction 85U Installation manual

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Interference with the Booth’s Systems (ventilation, design,
operating procedures, electrical equipment or other features)
may increase the risk for fire, injury, or death to occur.

The LOWER FLAMMABLE LIMIT is the lowest concentration of
a flammable vapor in air capable of supporting combustion at
a given temperature and pressure.

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The plant oil extraction process equipment intended to operate within these booths results in the release of some
flammable vapors into the surrounding atmosphere as a normal part of the process. Due to the normal release of
flammable vapors,
a. the area within these booths is classified as a Class I, Division 1 hazardous location in
accordance with the NEC, and
b. the area outside these booths around openings is classified as a Class I, Division 2 hazardous
location for a distance of 3 ft in all directions in accordance the NEC.
NOTE: O

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Figure 2: Example of an Automatic Air Damper

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These system components or equipment are designed to comply with one of the following:
a. Certified portable fire extinguishers for installation in accordance with ANSI/NFPA 10, "Portable Fire
Extinguishers."
b. Automatic sprinkler system components for installation in accordance with ANSI/NFPA 13,
"Installation of Sprinkler Systems."
c. Alternate fire suppression system components for installation in accordance with other applicable NFPA
installation standards.
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