Does fan need explosion proof?
When these combustible materials are present in an environment in high concentrations, they may ignite and cause an explosion. As such, you want to install an explosion proof fan if you operate in a dangerous area where flammable particles or gases are in the air or passing through ventilation systems.
What makes a fan explosion proof?
Explosion-proof fans also use motors that are designed not to produce sparks as they cycle on and off. For added protection, the blades are often made of materials that won’t accumulate static electricity or otherwise become prone to sparking.
Are centrifugal fans explosion proof?
The correct ATEX centrifugal fan will protect in the case of an explosion from potentially dangerous gases and dusts by ensuring the temperature rating is suitable and will not result in an explosion.
Can fans explode?
In Japan, the National Institute of Technology and Evaluation warns of lithium batteries in portable mini-fans that can cause fire and smoke.
What is an ATEX fan?
ATEX rated fans are those that can work in explosive atmospheres, hence their name. These can be in an industrial, tertiary, or commercial environment. During the manufacture, treatment, transport and storage of flammable substances, gases, vapours or mists are produced or leaked into the environment.
What is AMCA B?
AMCA A (Airstream) SRC includes all airstream parts constructed of a spark-resistant alloy. AMCA B (Wheel) SRC includes the fan wheel constructed of a spark resistant alloy and a buffer plate around the housing shaft-hole opening.
Is it safe to keep a fan on overnight?
The fan is a cost-effective way to keep you cool during the hot and humid summer nights. But sleeping with the fan on may trigger congestion, dryness, sore muscles, or allergic reactions in some people. If you have allergies but sleep hot, try using air filters and humidifiers to reduce symptoms of allergies.
What is AMCA C?
AMCA C (Buffer) SRC includes a spark resistant alloy buffer affixed to the housing interior adjacent to the wheel back-place, a spark resistant alloy inlet cone, and a buffer plate around the housing shaft-hole opening.
How many house fires are caused by fans?
— If you’re using a fan to stay cool in these hot temps, be warned, they can be a fire hazard! A Consumer Product Safety Commission report says electrical fans were associated with 20,000 structure fires in an 8-year period.
What is ATEX stand for?
ATmospheres EXplosible
ATEX is an acronym for ATmospheres EXplosible. This means hazardous, or potentially explosive, environments of various categories, both gaseous (petrochemical mainly) and dusty such as flour mills, saw mills and some food processing plants.
What is fan AMCA classification?
AMCA fan-class standards are based on fan horsepower required per square foot of outlet area representing the structural requirements imposed on a fan for a given set of operating conditions.
Can a fan set on fire overnight?
The short answer is that electric fans can catch on fire but it’s highly unlikely. Unlike other appliances, they do not normally get very warm or draw large amounts of electrical current (amps).
What is ATEX explosion proof?
ATEX is an abbreviation for “ATmosphere EXplosible”. At the same time, ATEX is the abbreviated name of the European Directive 2014/34/EC concerning the placing on the market of explosion-proof electrical and mechanical equipment, components and protective systems.
Is ATEX intrinsically safe?
The bottom line is that it is not possible to claim a product certified as intrinsically safe in Europe to EN60079-XX (ATEX) can be deemed as intrinsically safe certified in the United States or Canada and vice versa. For each country, the device should be tested in accordance with the local requirements.
What is an ATEX rating?
If a product / piece of equipment has official ATEX certification, it has been fully tested and approved to be safe to use in hazardous / explosive atmospheres.
What is AMCA A?
The American Medical Certification Association (AMCA) was established in 2010 with a vision of enhancing the allied healthcare industry by providing national certification exams that validate the knowledge and expertise of professionals in this field.
What is a Class 3 fan?
Fans can be grouped into three AMCA (Air Movement and Control Association) classes based on their maximum outlet velocity and the maximum pressure characteristics: Classes I, II, and III. Class I represents lower velocities and static pressure capabilities, while Class III represents the highest.
What type of explosion proof fans do Systemair offer?
All Systemair explosion proof fans correspond with category II, allowing an application in zone I and zone 2. Pre-selection depends on the medium to be transported. Each medium has an individual ignition temperature.
Who is responsible for the selection of an explosion proof fan?
Selection of an Explosion Proof Fan The system user is responsible for the correct system design for a proper operation. Manufacturers are responsible only for the appearance and workmanship of the supplied components. In the industry explosion hazardous areas are classified in zones.
Are explosion proof fans approved for trans portation of substances?
Explosion proof fans from Systemair are approved (according to type) for the trans – portation of substances correspond to group IIA, IIB and IIC. A good example is hydrogen. Hydrogen is classified in temperature class T1, but in IIC.
What is the temperature classification for explosion proof fans?
Systemair explosion proof fans comply with temperature classification T3, some units can also be used in T4. The following table shows possible temperature clas – sifications. The ignition temperature of the medium, but also the classification in groups is important.