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Aevum Control Lighting and Equipment - IIoT
Explosion Proof Lights
Explosion Proof Motors - Motors for Hazardous Locations
Industrial and Vaporproof Emergency Failsafe Lighting
Industrial Cord Reels and Tool Taps
Industrial Work Area Heaters
Machine Vision Lights
Megatowerâ„¢
QC Series Industrial Portable Lighting - Quick Change Mount
Rig Lights
Stadium lights
String Lights and Temporary Light Stringers
Tank Cleaning Lights
Three Phase Motor Soft Starters
Vapor Proof LED Lights
Variable Frequency Drives (VFDs)
Vehicle Mounting Plates
Workboat Light Fixtures & Lighting Equipment
Color Changing LED RGB Lighting
Explosion Proof Cord Reels
GOLIGHT Spotlights
Larson FUTURE - Lease Lighting
Remote Area Lighting and Scene Lights
Utility Bucket Mount, Receiver Hitch & Trailer Mount Lighting
Butane and Solvent Extraction Room Lighting and Equipment
DC to DC Transformers and Power Supplies
Explosion Proof Fans & Blowers
Explosion Proof Paint Spray Booth Approved Lights
Explosion Proof String Lights
Explosion Proof Switchgear & Controls
Fleet Service Lights and Lighting Equipment
Industrial Equipment Trailers
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ISO 14644/FS-209E Clean Room Lighting
LED Blasting Lights
Night Time Fishing Lights
Portable AC Power Supply Units
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Self-Contained Lighting
Service Pit Lighting
Solar Generators & Solar Powered Lighting
Agricultural Farm Equipment Lighting & Beacons
Explosion Proof Cameras & Surveillance Systems
Explosion Proof Emergency Lights
Explosion Proof Heaters
Garage & Gas Station Canopy Lights
LED Grow Lights
LED Lights
NDT Ultraviolet Lights
Portable Hazardous Location Lighting
Radio Communication Towers and Equipment
Salt Water Processing Equipment
Shelter & Tent Lighting
Thermal Monitoring Cameras and Systems
48V LED Equipment Lights
ATEX Rated Explosion Proof Lights
Automotive Lighting
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Plastic Handcuff Key
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Post Mount Spotlights
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Intrinsically Safe Lights
Military Flashlights
LED Waterproof Lanterns
Work Area Lights
12 Volt Flood Lights
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Boat Spotlights
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Remote Control Lights
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NEW Lights and New Products
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Larson Electronics Spotlights
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Acro Light Flashlight
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Explosion Proof Accessories and Replacement Parts
Explosion Proof Lighting
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Black Friday & Cyber Monday Specials
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Ship Yard Lights
Work Site Lighting
         

   
07/16/18 Is Vapor Proof the Same as Explosion Proof?

Article - July 16, 2018 By LarsonElectronics.com

100W Portable Explosion Proof LED Light - (2) LED Lamps - Non-Spark Aluminum Base - Inline Switch

Is Vapor Proof the Same as Explosion Proof?

Often times, industrial projects are conducted in rugged environments, such as mining sites, enclosed tanks (confined spaces) and tunnels. Lights used in these unforgiving locations must be properly protected to prevent premature failure during critical tasks.

Doubling down on safety in industrial facilities starts at choosing the right type of lamp that can withstand rough elements present in the work site. Vapor proof and explosion proof are two features operators frequently seek out to address flammable and harsh environments.

Below takes a closer look at how the two types of fixtures differ.


Construction

Starting with vapor proof, this type of fixture is designed to withstand harsh locations that frequently encounter extreme temperatures, humid conditions, dust and water. With this in mind, vapor proof lights feature waterproof construction, tight seals and durable enclosures. For protection from rough contact, the units can be housed in impact-resistant casings, as well as incorporate impact-resistant lenses. Vapor proof lamps with thick, glass lenses offer extra protection from moisture and water vapor.

The main reason vapor proof lights require sealed construction is due to the presence of water vapor. On a molecular level, water vapor is smaller than watery liquid. As a result, vapors can pass through tight spaces and openings that are not fully sealed or protected.

Explosion proof lights are designed for exposure against flammable substances in hazardous locations. Examples of combustible elements include: methane, propane, hydrogen, metallic dust, flour and etc. Non-sparking materials, such as copper-free aluminum, polycarbonate and impact-resistant plastic, are applied to prevent ignitions. Because explosion proof fixtures are used in rugged work sites, the units may also be waterproof and completely sealed (a common feature in explosion proof luminaries) to prevent failure.


Certification

Safety standards associated with vapor proof and explosion proof may vary, depending on how the fixtures will be used and the type of location the units will be installed in:

Certification/Rating

Vapor Proof

Explosion Proof

NEMA

Yes

Yes

Approved for Damp/Wet Locations

Yes

Yes*

Waterproof (IP)

Yes

Yes*

Explosion Proof (Class I, II, III)

No

Yes

 

It is important to highlight that vapor proof and explosion proof lights may share a handful of similar certifications and protective ratings. An explosion proof light must adhere to explosion proof classifications (Class I, II, III) but does not necessarily have to be approved for damp/wet locations or include a high waterproof IP rating. On the other hand, a vapor proof lamp does not have to comply with explosion proof standards, but must be waterproof and approved for damp/wet locations.

NEMA protection is common in both types of industrial lighting systems. Because NEMA ratings also cover protection from water and can be cross-referenced with IP ratings, vapor proof fixtures can be protected by NEMA-rated enclosures. Explosion proof lights may also incorporate NEMA-rated housings, as this type of certification ensures protection from elements that can be combustible, such as dust.


Applications

Vapor Proof Lights: Car wash, subways, tunnels, walk-in freezers, food processing plants, wet locations, spray/wash-down areas, marine sites, shipyards, docks, construction sites, garages and etc.

Explosion Proof Lights: Hazardous locations, paint spray booths, mining sites, grain storage, confined spaces, ammunition factories, paper mills, cotton processing, petrochemical plants, automotive facilities, gasoline stations and more.

 





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