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GOODWAY TECHNOLOGIES CORPORATION
420 West Avenue, Stamford, CT 06902-6384 U.S.A.
Call Us Today: 1-800-333-7467 | Fax: 203-359-9601
Understanding how to identify and prevent explosion
and re risks in the work environment is critical to
protecting your staff and your facility, giving you
peace of mind to focus on other critical areas to run
your business effectively. In this buying guide, we
will outline the various certications for explosion
proof vacuums, classications, divisions and groups
that dene the type of risk and what to look for in an
effective explosion proof vacuum.
About Goodway “Explosion
Proof” Vacuums
Goodway offers a wide range of quality commercial
and specialty “explosion proof” industrial vacuum
cleaners that have been created to meet professional
maintenance needs. Explosion proof vacuums are
designed for specic applications when hazardous
materials are needed to be picked up. These types of
vacuum cleaners are certied “explosion proof” and
are available in wet and dry explosion proof congurations. They are
certied for hazardous and ammable material pickup. We also offer
electric and air-powered models.
Explosion proof industrial vacuums are certied for use in hazardous
locations with the following certications:
Class I, Division 1, Groups A, B, C, D
Class I, Division 2, Groups A, B, C, D
Class II, Division 1, Groups E, F, G (NFPA 70)
Class II, Division 2, Groups F & G
Explosion Risk Level Classication
Choosing equipment like industrial explosion proof vacuum cleaners
or other power tools requires an understanding of the explosion
and re risks of an area. It is also vital that people working nearby
are aware of the dangers in their work environment. In order to assist
with the selection of electrical equipment, NEC Chapter 5, Articles
500-506 use the class/division/group system to indicate the different
risk levels. Zone/group systems are also used sometimes by designers,
based on NEC Articles 505 & 506 and developed by the International
Electrotechnical Commission.
Class denes the kind of hazardous material present in the area.
• Class I (Article 501): Combustible or ammable gasses or vapors
are present. (e.g., hydrogen, gasoline)
• Class II (Article 502): Combustible dust is present. (e.g., grain dust
is a silo)
• Class III (Article 503): Easily ignitable bers are present. (e.g.,
cotton bers in a textile mill)
Goodway Buying Guide
“Explosion Proof” Vacuums