For safe cold storage of volatile material or materials in hazardous environments, Thermo Scientific flammable material and explosion-proof freezers are designed to meet your requirements. Our units will meet your temperature, reliability, performance, and compliance needs. All flammable material freezers and explosion-proof freezers are manual defrost and meet NFPA and OSHA standards. Availability of some units may be limited in certain geographic regions.


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Value flammable material storage (FMS) freezers

These freezers are designed to be used for the storage of volatiles, compounds, and solvents where a spark-free internal cabinet environment is required. Household/commercial refrigerators and freezers are not suitable; they have components in their electrical and refrigeration systems that can trigger explosions of flammable air-vapor mixtures inside the unit. Thermo Scientific flammable storage laboratory freezers are available from under-counter models to full-height, freestanding options.

  5 cu. ft. FMS Freezer 20 cu. ft. FMS Freezer
  TS 5cu. ft. flammable material freezer TS 20cu. ft. flammable material freezer
Request a quote 05FFEETSA;
115V/60Hz
20FFEETSA;
115V/60Hz
Availability North America only North America only
Compliance UL, NFPA1, OSHA1 cCSAus, NFPA1, OSHA1
Temperature range –12° to –24°C –12° to –20°C
Capacity 5 cu. ft. (141.6L) 20 cu. ft. (566L)
Plug type NEMA 5–15P NEMA 5–15P
User interface Exterior thermostat Exterior thermostat
Defrost Manual Manual
Security   Built-in key lock
Interior cabinet
ABS plastic Epoxy coated steel
Interior (DxWxH) 19 x 19 x 30 in.
(48 x 47 x 75cm)
24 x 28 x 58 in.
(60 x 71 x 147cm)
Exterior (LxWxH) 30 x 21 x 33 in.
(64 x 54 x 84cm)
36 x 34 x 73 in.
(91 x 86 x 186cm)
Shipping weight 95 lbs. (43kg) 198 lbs. (90kg)
  566L FMS Freezer 151L ES Series FMS Freezer 232L ES Series FMS Freezer
  TS FMS freezer TS ES Flammable material freezer TS ES Flammable material freezer
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20FFEETSV;
230V/50Hz

151F-AXV-TS;
230V/50Hz
232F-AXV-TS;
230V/50Hz
Availability Not available in North America nor other 60Hz regions Not available in North America nor other 60Hz regions
Not available in North America nor other 60Hz regions
Compliance   CE, ATEX2 CE, ATEX2
Temperature range –12° to –20°C –18° to –25°C –18° to –25°C
Capacity 566L 151L 232L
Plug type NEMA 6-15P Continental EU Continental EU
User interface Exterior thermostat Integrated digital controller
Integrated digital controller
Access ports N/A Standard access port Standard access port
Defrost Manual Manual Manual
Security Built-in key lock Standard door locks, door ajar alarm
Standard door locks, door ajar alarm
Interior cabinet
Epoxy coated steel HIPS/ABS mix
(High Impact Polystyrene and Acrylonitrile—Butadiene—Styrene)
HIPS/ABS mix
(High Impact Polystyrene and Acrylonitrile—Butadiene—Styrene)
Interior (DxWxH) 60 x 71 x 147cm 45 x 50 x 71cm 43 x 44 x 130cm
Exterior (LxWxH) 89 x 86 x 186cm 60 x 60 x 85cm 64 x 60 x 157cm
Shipping weight 198 lbs. (90kg) 143 lbs. (65kg) 187 lbs. (85kg)

2 Certified spark-free units are designed, evaluated, and comply with the ATEX Directive 94/9/EC Annex VIII. These units have an intrinsically safe (IS) barrier installed in the temperature probe circuit with no other internal electrical components that could trigger an explosion or fire of flammable materials inside the unit. The internal wall construction has been reviewed and is not a source for electrostatic buildup due to the materials used in construction. ATEX-certified spark-free units are not designed for use in Class 1, Zone 0, or Zone 1 applications which require an explosion-proof unit.

  5 cu. ft. FMS Freezer 20 cu. ft. FMS Freezer
  TS 5cu. ft. flammable material freezer TS 20cu. ft. flammable material freezer
Request a quote 05FFEETSA;
115V/60Hz
20FFEETSA;
115V/60Hz
Availability North America only North America only
Compliance UL, NFPA1, OSHA1 cCSAus, NFPA1, OSHA1
Temperature range –12° to –24°C –12° to –20°C
Capacity 5 cu. ft. (141.6L) 20 cu. ft. (566L)
Plug type NEMA 5–15P NEMA 5–15P
User interface Exterior thermostat Exterior thermostat
Defrost Manual Manual
Security   Built-in key lock
Interior cabinet
ABS plastic Epoxy coated steel
Interior (DxWxH) 19 x 19 x 30 in.
(48 x 47 x 75cm)
24 x 28 x 58 in.
(60 x 71 x 147cm)
Exterior (LxWxH) 30 x 21 x 33 in.
(64 x 54 x 84cm)
36 x 34 x 73 in.
(91 x 86 x 186cm)
Shipping weight 95 lbs. (43kg) 198 lbs. (90kg)
  566L FMS Freezer 151L ES Series FMS Freezer 232L ES Series FMS Freezer
  TS FMS freezer TS ES Flammable material freezer TS ES Flammable material freezer
Request a quote

20FFEETSV;
230V/50Hz

151F-AXV-TS;
230V/50Hz
232F-AXV-TS;
230V/50Hz
Availability Not available in North America nor other 60Hz regions Not available in North America nor other 60Hz regions
Not available in North America nor other 60Hz regions
Compliance   CE, ATEX2 CE, ATEX2
Temperature range –12° to –20°C –18° to –25°C –18° to –25°C
Capacity 566L 151L 232L
Plug type NEMA 6-15P Continental EU Continental EU
User interface Exterior thermostat Integrated digital controller
Integrated digital controller
Access ports N/A Standard access port Standard access port
Defrost Manual Manual Manual
Security Built-in key lock Standard door locks, door ajar alarm
Standard door locks, door ajar alarm
Interior cabinet
Epoxy coated steel HIPS/ABS mix
(High Impact Polystyrene and Acrylonitrile—Butadiene—Styrene)
HIPS/ABS mix
(High Impact Polystyrene and Acrylonitrile—Butadiene—Styrene)
Interior (DxWxH) 60 x 71 x 147cm 45 x 50 x 71cm 43 x 44 x 130cm
Exterior (LxWxH) 89 x 86 x 186cm 60 x 60 x 85cm 64 x 60 x 157cm
Shipping weight 198 lbs. (90kg) 143 lbs. (65kg) 187 lbs. (85kg)

2 Certified spark-free units are designed, evaluated, and comply with the ATEX Directive 94/9/EC Annex VIII. These units have an intrinsically safe (IS) barrier installed in the temperature probe circuit with no other internal electrical components that could trigger an explosion or fire of flammable materials inside the unit. The internal wall construction has been reviewed and is not a source for electrostatic buildup due to the materials used in construction. ATEX-certified spark-free units are not designed for use in Class 1, Zone 0, or Zone 1 applications which require an explosion-proof unit.

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High-performance flammable storage freezers

Our high-performance manual defrost FMS freezers are designed to meet stringent US Pharmacopeia standards for drug storage as well as the NFPA safety provisions for the storage of flammable liquids.1 Each model is listed by UL as a special-purpose refrigerator or freezer intended for flammable material storage in accordance with NFPA 45 and 99.1

  Revco Forma Thermo Scientific
  Revco FMS HP freezer Forma FMS HP freezer TSHP FMS HP freezer
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RFMS2320A;
115V/60Hz

FFMS2320A;
115V/60Hz

TSFMS2320A;
115V/60Hz
Availability North America only North America only North America only
Compliance UL, CE, NFPA1, OSHA1 UL, CE, NFPA1, OSHA1 UL, NFPA1, OSHA1
Temperature –20°C –20°C –20°C
Capacity 23 cu. ft. (659L) 23 cu. ft. (659L) 23 cu. ft. (651L)
User interface Microprocessor controller Microprocessor controller Microprocessor controller
Access port & casters
1-inch port, casters standard 1-inch port, casters standard 1-inch port, casters standard
Chart recorder
Factory-installed option (North America only) Factory-installed option
(North America only)
Factory-installed option (North America only)  
Defrost Manual Manual Manual
Security Lockable doors, audio/visual alarms Lockable doors, audio/visual alarms Lockable doors, audio/visual alarms
Interior cabinet
Ignition-free, scratch-resistent painted steel Ignition-free, scratch-resistent painted steel Ignition-free, scratch-resistent painted steel
Interior (DxWxH) 29 x 24 x 58 in.
(73.7 x 61 x 147.3cm)
29 x 24 x 58 in.
(73.7 x 61 x 147.3cm)
29 x 24 x 58 in.
(73.7 x 61 x 147.3cm)
Exterior (LxWxH) 37 x 28 x 78.6 in.
(94 x 72 x 200cm)
37 x 28 x 78.6 in.
(94 x 72 x 200cm)
37 x 28 x 78.6 in.
(94 x 72 x 200cm)
Shipping weight 425 lbs. (193kg) 425 lbs. (193kg) 425 lbs. (193kg)

1Products complying with the applicable requirements of NFPA 70, "National Electric Code", NPFA 45, "Fire Protection for Laboratories Using Chemicals," and NFPA 99 "Health Care Facilities" are considered to meet the OSHA guidelines for these types of facilities. These units have no internal electrical components that could trigger an explosion or fire of flammable materials inside the unit. Flammable material storage units are not for use in classified hazardous locations which require the use of explosion-proof units.

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Value explosion-proof freezers

Spark-free interiors and exteriors reduce the risk of explosion. These freezers are designed to be used in Class 1, Groups C and D, and Class 1, Zone 1, Group IIB areas where ignitable materials are normally present. Thermo Scientific explosion-proof laboratory freezers are particularly suited for safe storage in hazardous environments. Models are available from under-counter to full height, freestanding.

  5 cu. ft. Explosion-Proof Freezer 20 cu. ft. Explosion-Proof Freezer 20 cu. ft. Explosion-Proof Freezer
  TS small explosion proof freezer TS explosion proof freezer TS explosion proof freezer
Request a quote 05EFEETSA;
115V/60Hz
20EFEETSA;
115V/60Hz
20EFEETSV;
230V/50Hz
Availability North America only North America only Not available in North America or other 60Hz regions
Compliance UL, NFPA1 cCSAus  
Temperature range –12°C to –20°C –12°C to –20°C –12°C to –20°C
Capacity 5 cu. ft. (141.6L) 20.9 cu. ft. (592L) 20.9 cu. ft. (592L)
Plug type Hardwired to prevent sparking and accidental disconnection Hardwired to prevent sparking and accidental disconnection Hardwired to prevent sparking and accidental disconnection
User interface Thermostat and compressor components in vapor-proof enclosure Thermostat and compressor components in vapor-proof enclosure Thermostat and compressor components in vapor-proof enclosure
Defrost Manual Manual Manual
Security   Built-in key lock Built-in key lock
Interior cabinet
ABS plastic ABS plastic ABS plastic
Interior (DxWxH) 19 x 19 x 30 in.
(48 x 47 x 75cm)
24 x 28 x 58 in.
(60 x 71 x 147cm)
24 x 28 x 58 in.
(60 x 71 x 147cm)
Exterior (LxWxH) 26 x 21 x 33 in.
(84 x 54 x 65cm)
32 x 34 x 73 in.
(82 x 86 x 186cm)
32 x 34 x 73 in.
(82 x 86 x 186cm)
Shipping weight 95 lbs. (43kg) 198 lbs. (90kg) 198 lbs. (90kg)

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Is there a safer way to store potentially flammable, pharmaceutical-grade materials that require refrigerated or frozen temperatures?

Thermo Scientific FMS high-performance refrigerators and freezers meet industry protocol for the storage of critical, potentially flammable, pharmaceutical-grade materials or samples containing trace amounts of flammables that could cause a spark.

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Flammable material storage

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