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Air Curtain

An air curtain is a device that prevents air, contaminants, or flying insects from entering a building. The following is a comprehensive review of air curtains' sizing, installation, and best prices for wholesale purchase.

A Step-By-Step Guide to Selecting Air Curtains

The power (flow speed), the angle of the air blown by the air curtain, and the suitable length are three significant aspects of this device's proper operation. If chosen appropriately, it will prevent up to 80% of pollutants inside the ventilated environment. The air curtain is typically utilized in locations where doors must be left open for service (for example, large stores, commercial complex entrances, or truck entrances for unloading, etc.).

A heat exchange coil (for hot or cold water stream) and the potential for hot or cold high-pressure air blowing are typically considered for the air curtain, together with the necessity to restrict the entry of hot or cold air into the indoor environment. One of the most significant locations is there. Air curtains can be installed in mall doors, large store entrances, restaurant entrances, complex lobbies, warehouse entrances, aviation hangar entrances, and other locations.

A Step-By-Step Guide to Selecting Air Curtains

Buying an air curtain

The air curtain suits large businesses, offices, industries, and cold storage. In essence, these locations experience significant temperature loss because the doors are constantly open, which often occurs when people enter and exit or when trucks are loaded/unloaded. This is very important when there is a significant temperature differential between the inside and outside spaces. The needed length and capacity of the air curtain must be determined before purchasing one.

On DamaTajhiz HVAC, the technical information of numerous models of air curtains of known brands with original warranties has been provided so that you can experience a wise and effective purchase.

Also note that in the specialized HVAC group of Damatajhiz, all the air curtains are only sold in bulk. Therefore, if you want to wholesale any of these products, feel free to contact us.

Note: If the ventilation fan operates directly in the area where the air curtain is installed, it inevitably pulls in outside air, neutralizing or impairing some of the effects and functionalities of the air curtain.

If you use single-phase electricity, please be aware that single-phase powered air curtains have a maximum effective height of up to 2.5 meters ballroom or company building.

Billboard of DamaTajhiz and Making purchase of an air curtain

Features of the Air Curtain

Air curtains have more than just a few features, but the following are some of the most important ones:

  1. Keeping out all the insects
  2. Prevents heat exchange
  3. keeping the interior clean by preventing contaminants from getting in
  4. The speed and direction of the airflow, the difference in temperature between the inlets, and the difference in pressure between them affect how much air flows through it.
  5. The less the inside and outside temperature difference, the better it functions
  6. Air curtains are less efficient and effective when there is negative pressure and a large temperature difference; they are next to an elevator, and there is a high humidity level.
  7. It will be possible to achieve the best performance of the air curtain at the entrance of a building with a continuously open door and indoor ventilated air thanks to the strong face velocity component at the entrance produced by the downward flow as well as the ventilated air return channels directly to the device's fans. Buildings that have already been constructed will find it more challenging to adopt this type of application.
  8. The two environments shouldn't become more mixed due to the device's increased vertical air-blowing component. Consequently, there will always be an effort to enhance the horizontal component and lower the vertical component at the location of the device's installation. Determining how the product is used can help you choose these components appropriately.
  9. There is a limit to how much the horizontal component of the speed can be increased in commercial and residential settings for people's comfort. Still, the exhaust air-flowing speed will increase in industrial settings and other uses.

The primary function of the air curtain is to keep insects and other pollutants out of the interior, ventilated environment while preventing the ingress of unventilated outdoor air.

Types of Air Curtains

Air curtains are produced and supplied in different capacities, dimensions, and models. They are supplied in two colors, black and white, and two single-phase and three-phase models, according to their appearance and electricity consumption.

Types of Air Curtains in Terms of Electricity Consumption

The air curtain, as one of the facility's equipment, is divided into two types in terms of the type of electricity consumed, which include:

  1. Single-phase electricity consumption: This type of air curtain can be used in commercial and office environments with an electricity consumption of 220 volts and 50 Hz.
  2. Three-phase electricity consumption: Industrial air curtains are usually made in dimensions of 70 to 120 cm long and can be connected to three-phase electricity.

Types of Air Curtains in Terms of Color

The color of the air curtain as an appearance component of this equipment may have many effects on the choice of users. The air curtain is available in two colors, white and black. In choosing the color of the air curtain, the following factors can be influential:

Adapting to the environment: the color of the air curtain can help to adapt to the design and decoration of the environment. If the air curtain is used in an office or commercial environment, it will be appropriate to choose a color that is in harmony with the other colors of the environment.

Attracting attention: the color of the air curtain can attract the attention of observers. If you want the air curtain to be seen as a decorative element, choosing an attractive or different color can be useful.

Air Curtain Applications

In cold cities such as Tabriz, Urmia, Ardabil, Aleppo, Erbil, Mosul, Kabul, Baku, and Yerevan, sometimes the air curtain is equipped with a hot water coil that is installed above the entrance and exit doors of stores and large public places, which prevents the outside hot air from entering the environment in winter. Also, in tropical cities such as Bandar Abbas, Basra, Ahvaz, Baghdad, Damascus, and Karachi, the air curtain usually has a cold water coil that provides cold and cool high-pressure air above the entrance door or exits.

In addition to high-pressure air coming out from the top of the entry and exit doors, air curtains can also be equipped with heating or cooling coils to heat up or cool down the area. In addition to the electric motor, the centrifugal ventilation fan of the air curtain must also be powerful enough to create a high-pressure jet airflow, and this compressed airflow continues to the ground.

In general, the most important task of the air curtain is to prevent the penetration of stale air outside the entry of insects and other pollutants into the indoor ventilated environment.

Note: When purchasing an air curtain with heating and cooling coils, please specify whether the coil is connected to the left or right side of the device and share the results with DamaTajhiz sales experts.

Air Curtain Applications

The price of the air curtain

It is no trouble to examine and choose any type of air curtain at the best price for wholesale purchase on the specialized website of the DamaTajhiz HVAC Group. The variety of models and brands available influences the price of air curtains. Consumer-desired reductions are included in the higher pricing for the specialty range of heating equipment.

Air Curtain Installation Key Factors

  • The air curtain installation location must be sturdy enough. to prevent any vibrations from the device (in on or off mode) after installation.
  • To prevent additional installation in higher portions, the product must be fitted precisely in the upper part of the door.
  • On top of the entrance, disconcerting obstructions should be gathered.
  • If you want to install an air curtain without a heating system at the entrance to a public space in the winter, it is best to position the device's suction near a source of hot air (a heater or Fan Coil Unit).
  • Pay close attention to the spa's inlet and outlet in the air curtain coil when piping and installing the heating coil.

Air curtains are often put inside the entrance and above it. It is simple to install the gadget if it is in the upper portion of the wall door. The air curtain must be installed using metal pieces (can, corner, belt, or support), metal coil, or both if there is a window or inscription in the upper portion of the door.

Air Curtain Installation Key Factors

Things to consider when installing an Air Curtain in a Cold Room

  1. Installing an interior air curtain is recommended in cold rooms with temperatures over 0 degrees Celsius.
  2. In cold rooms with temperatures below zero degrees Celsius, it is recommended to build an air curtain outside since the propeller of the device could freeze.
  3. High-speed devices shouldn't be used in chilly stores since the return wind component that hits the floor results in heat loss.
  4. It is recommended to use an automatic air curtain when opening and closing the cold room door.
  5. In addition to preserving the quality of the stored items, the cold air curtain's primary benefit is that it reduces energy use and avoids refrigeration waste. From this perspective, the expense of erecting an air curtain can be quickly recouped.
  6. Installing an air curtain at the greenhouse dairy factory, etc., is also recommended.

 DamaTajhiz HVAC Group: The top construction equipment manufacturers and prices  

Dear Users:

While thanking you for your trust in the technical opinions of the DamaTajhiz sales experts, it should be noted that the choice of the desired product brand based on the capacity, history, brand strength, service, and product price is ultimately determined by the buyer. But in split AC units, most users and buyers choose best-selling brands such as LG, Hisense, Green, Iran Radiator, G Plus, etc., due to their quality, price, And after-sales services.

If, after reading the above article, you have more questions about deciding on the purchase of split AC units, you can contact the experts of the air conditioning equipment department after contacting the DamaTajhiz HVAC Group and extension numbers 117-119-120-126-317 Get advice and ask your questions.

Since DamaTajhiz HVAC Group, as an official member of the Heating and Air Conditioning Dealers Union, provides all kinds of air conditioners and splits in the Middle East region, if you need a Room Split AC Units for any of the countries in the region, you can place your purchase order with Reassurance, product warranty and reasonable price to our sales experts.

"Buy with confidence and peace of mind from DamaTajhiz"

Business Licences Held By DamaTajhiz HVAC Inc.

Trademark registration certificate - Stewardship business license from Virtual Business Association - Business license from Heating and Air Conditioning Equipment Association

HVAC Association Business Licenses of DamaTajhiz HVAC Inc

The presence of DamaTajhiz in international exhibitions of construction facilities and cooling and heating systems

Get in touch with us at Damatajhiz HVAC Inc

We are waiting for your call and look forward to meeting you at the DamaTajhiz HVAC Group

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Faraz Kavian Air Curtain RM4020S/Y-W-LUX-V7

Faraz Kavian Air Curtain RM4020S/Y-W-LUX-V7

  • Engine speed: 5
  • With remote control 
  • Equipped with hot water coil
  • Equipped with airfoil blades for air guidance
  • Device Length: 200 cm
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $820
  • On sale!
Faraz Kavian Air Curtain RM4018S/Y-W-LUX-V7

Faraz Kavian Air Curtain RM4018S/Y-W-LUX-V7

  1. Engine speed: 5
  2. With remote control 
  3. Equipped with hot water coil
  4. Equipped with airfoil blades for air guidance
  5. Device Length: 180 cm
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $734
  • On sale!
Faraz Kavian Air Curtain RM4015S/Y-W-LUX-V7

Faraz Kavian Air Curtain RM4015S/Y-W-LUX-V7

  • Engine speed: 5
  • With remote control 
  • with hot water coil
  • Equipped with airfoil blades for air guidance
  • Device Length: 150 cm
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $667
  • On sale!
Faraz Kavian Air Curtain RM4012S/Y-W-LUX-V7

Faraz Kavian Air Curtain RM4012S/Y-W-LUX-V7

  • Engine speed: 5
  • With remote control 
  • Equipped with hot water coil
  • Equipped with airfoil blades for air guidance
  • Device Length: 120 cm
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $620
  • On sale!
Faraz Kavian Air Curtain FM4009 L/Y-LUX

Faraz Kavian Air Curtain RM4020 S/J-3D/Y

  • Length of the device: 90 cm
  • With remote control and limit switch
  • Two-speed electric motor - single phase
  • Equipped with airfoil blades for air guidance
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $270
  • On sale!
Faraz Kavian Air Curtain FM4009 L/Y-LUX

Faraz Kavian Air Curtain RM4018 S/J-3D/Y

  • Length of the device: 90 cm
  • With remote control and limit switch
  • Two-speed electric motor - single phase
  • Equipped with airfoil blades for air guidance
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $270
  • On sale!
Faraz Kavian Air Curtain FM4009 L/Y-LUX

Faraz Kavian Air Curtain RM4015 S/J-3D/Y

  • Length of the device: 90 cm
  • With remote control and limit switch
  • Two-speed electric motor - single phase
  • Equipped with airfoil blades for air guidance
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $270
  • On sale!
Faraz Kavian Air Curtain FM4009 L/Y-LUX

Faraz Kavian Air Curtain RM4012 S/J-3D/Y

  • Length of the device: 90 cm
  • With remote control and limit switch
  • Two-speed electric motor - single phase
  • Equipped with airfoil blades for air guidance
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $270
  • On sale!
Faraz Kavian Air Curtain FM4009 L/Y-LUX

Faraz Kavian Air Curtain RM4010 S/J-3D/Y

  • Length of the device: 90 cm
  • With remote control and limit switch
  • Two-speed electric motor - single phase
  • Equipped with airfoil blades for air guidance
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $270
  • On sale!
Faraz Kavian Air Curtain FM4009 L/Y-LUX

Faraz Kavian Air Curtain RM4020 S/Y-W

  • Length of the device: 90 cm
  • With remote control and limit switch
  • Two-speed electric motor - single phase
  • Equipped with airfoil blades for air guidance
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $270
  • On sale!
Faraz Kavian Air Curtain FM4009 L/Y-LUX

Faraz Kavian Air Curtain RM4018 S/Y-W

  • Length of the device: 90 cm
  • With remote control and limit switch
  • Two-speed electric motor - single phase
  • Equipped with airfoil blades for air guidance
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $270
  • On sale!
Faraz Kavian Air Curtain FM4009 L/Y-LUX

Faraz Kavian Air Curtain RM4015 S/Y-W

  • Length of the device: 90 cm
  • With remote control and limit switch
  • Two-speed electric motor - single phase
  • Equipped with airfoil blades for air guidance
Warranty terms:

24 months parts warranty - 60 months electric motor warranty

After-sale Services:

15 years after-sales service

Price $270
  • On sale!

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