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Flammable Materials
Storage Refrigerators and
Freezers
Overview
Conventional refrigerators and freezers are not suitable for
storing flammable materials. Such units have components in
their electrical and refrigeration systems that can trigger
explosions of flammable air-vapor mixtures inside the unit.
Flammable Materials Storage (FMS) refrigerators/freezers are
designed for use in locations, which are not classified by the
Authority Having Jurisdiction (AHJ) as hazardous. Under normal
operating conditions the build up or presence of flammable
vapors will not occur in the environment external to the unit.
(Commonly known as "Ordinary Locations")
FMS units are NOT designed for use in Class I, Groups
C and D environments, which require an Explosion-
Proof Refrigerator/Freezer.
FMS units are designed and evaluated by Canadian standards
Association (CSA) to meet the requirements of the National Fire
Protection Association Standards Nos. 45, 70 and 99. These
units have no internal electrical components that could trigger an
explosion or fire of hazardous materials inside the unit.
These units are ideal for storing cyclopropane, ethyl ether,
ethylene, acetone, alcohol, benzene, butane, gasoline, hexane,
lacquer solvent vapors, naphtha, natural gas or propane along
with many other potentially hazardous materials.
All models have heavy-gauge, rigid, steel construction with a
durable enamel finish. Interiors have epoxy enamel or ABS
plastic construction. Each unit is insulated throughout for
energy-efficient operation.
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