110V 12'' Explosion-Proof Axial Flow Fan

Product Overview
The CBF explosion-proof axial flow fan is suitable for places with flammable and explosive gases. It can realize ventilation and effectively discharge dangerous gases to ensure the environmental safety. It has the characteristics of large air volume, low noise, fast start-up and long service life, and can operate stably under complex working conditions. It is suitable for workshops, kitchens, warehouses, high-rise buildings and other places.
Product Parameters
Voltage 110V
Power 550W
Size 12in
CFM 2280m³/H
Diameter of inner circle 30.5cm (12in)
Diameter of outer circle 35cm (13.78in)
Shape thickness 29.7cm (11.69in)
EX grade Exdb IIB T4 Gb
RMP 1450r/min
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Installation and Use
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Pay attention to the air flow direction during installation and use.
 

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Attention: The fan does not come with a power cord. Customers should prepare their own power cord according to their installation needs and seek professional personnel for wiring.
 

Attention
1. It is strictly prohibited to carry out maintenance and repair operations when the fan is running. The power must be cut off and safety protection measures must be taken.
2. Non-professionals are not allowed to change the fan circuit and explosion-proof structure at will to avoid damaging the explosion-proof performance.
3. If the fan is not used for a long time, it should be cleaned, placed in a dry and ventilated environment, and started for trial operation regularly to prevent components from rusting and jamming.
4. When the fan is used in flammable and explosive environments, please strictly follow the relevant safety regulations, and it is strictly prohibited to operate in violation of regulations and cause danger.
Product Feature
 
The four-leaf fan blade is made of high-quality aluminum alloy materials, thereby achieving the excellent performance and safety in the dangerous environment. It has the superior explosion-proof performance, high shock strength, low energy consumption, corrosion resistance, good dynamic balance and maintenance convenience.   The axial flow fan is equipped with a carbon steel shell which is subjected to baking finish treatment. The shell has the high structural strength and rigidity, high temperature resistance and high protection grade. The surface is processed through multiple technologies, ensuring the shell is resistant to corrosion, wear and scrape.
 
The pure copper motor is a core power unit and has the remarkable advantages of explosion-proof safety, performance stability and durability. The 550W motor has good electrical conductivity and energy saving, is longer in service life and higher in reliability and can better meet the high grade explosion-proof standard.   The front and rear safety protective nets are detachably installed in the air inlet and air outlet of the axial flow fan, having a protection effect on safety operation of the fan. The foreign matter is effectively prevented from entering the fan, the personal safety and equipment safety can be well ensured, and air ventilation and exchange are achieved.
Operation and use
1. First, check the case and frame. See if the fan blades are deformed, if the fan blades rotate flexibly, and if there is any abrasion. Check if all fasteners are complete, then tighten them. There should be an explosion-proof certificate number.
2. The line voltage must be matched with the rated voltage on the motor.
3. Use a 500V megohmmeter to check the insulation resistance of the motor. If its resistance value is less than 5MΩ, it should be dried or undergo other insulation-improving treatments to make its insulation resistance greater than 5MΩ.
4. A small explosion-proof switch must be used as the power switch, or a general-purpose switch should be installed in an outdoor area without explosion hazards.
5. The outer diameter of the power  supply cable should be matched with the sealing ring groove. After tightening the compression nut, ensure there is no gap between the sealing ring and the cable. If there is a gap, the explosion-proof performance will be lost.
6. When the fan is installed, the gap between the sealing surface and the explosion-proof surface should be less than 0.2mm. Use lubricating grease for ZG-2H composite calcium-based grease for the sliding surface.
7. The non-wiring parts of the explosion-proof motor must not be disassembled randomly. When wiring, open the cover of the wiring chamber, thread the lead wire to the terminal, and after connection, close the cover and tighten the screws so that the gap of the flame-proof surface is less than 0.2mm. Then fasten the wire: when installing, the wire must not be pulled. When assembling, 204-1 anti-rust oil should be applied to the flame-proof surface. All flame-proof surfaces must not be damaged or corroded. Otherwise, the explosion-proof performance will be lost.
8. Use a brush to regularly clean the dust and other accumulations on the motor to avoid affecting heat dissipation.
Daily Maintenance

1. Daily Maintenance: Regularly clean the dust and debris on the fan surface, air inlet and outlet, check whether the fasteners are loose and whether the impeller is dusty or deformed. Deal with problems in a timely manner if finding problems.

2. Regular Servicing: Every month (or adjusted according to the frequency of use), check the lubrication of the bearing, and supplement or replace the lubricating grease if necessary (use [adapted lubricating grease model]). Check the insulation resistance of the motor,  and when it is lower than 5MΩ, drying treatment is required. Check the tightness and integrity of the explosion-proof components, and replace the damaged explosion-proof accessories with the same specifications in a timely manner.

3. Fault Handling: If the fan vibrates excessively, check whether the foundation is loose, whether the impeller is unbalanced, and whether the air duct resonates, and correspondingly reinforce the foundation, correct the impeller and adjust the air duct. If the motor heats up abnormally, check whether the load is too large, whether the ventilation is poor, and whether the bearing is damaged, and reasonably adjust the load, improve ventilation and replace the bearing. If the explosion-proof performance is affected (e.g., damage to the explosion-proof surface), contact professional personnel for maintenance, and it is strictly prohibited to modify it by yourself.

Application
As an excellent ventilation device, The CBF explosion-proof axial flow fan has high product quality and high using performance and can be widely used for ventilation and heat dissipation in factories, workshops, warehouses and other industrial places, for exhaust of cooking fumes and stream in restaurant kitchens, canteen kitchens and other large kitchens, for air circulation and air exchange in supermarkets, shopping malls, restaurants and other crowded places, and for odor removal in farms, breeding bases and other livestock breeding places.
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Product Display
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Item Number (022863): 1 x 110V 12'' Explosion-Proof Axial Flow Fan

You can make order with no worry.
Any concern just feel free to let us know, we'll reply in 24 hours in normal condition.
Handling Time: Shipping is usually made in 1-3 business days after payments cleared. Orders are processed from Monday-Friday; Not on the weekends & public holidays.
Warranty: 6 months' warranty for the machines, not for the consumables.
We stand behind our products all the item, so even if your warranty period has expired, you can still seek for service or technical support from us with low cost.


On Nov 11, 2025 at 22:32:42 PST, seller added the following information:

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