Air curtain

Air curtain is a product that prevents temperature loss, prevents insects, and prevents dust with strong wind blowing. Air curtains are designed to be installed above a door  to create an invisible barrier separating zones of different temperatures.

Chính sách

18 month warranty

Free maintenance every 6 months

(during the warranty period)

Quickest response to your needs

Installation, maintenance, and repair on site

Highly qualified technical team

Specifications
លេខកូដវាំងននខ្យល់ KRAVAN ACK

ល្បឿន​ខ្យល់​: 21m / s
កម្ពស់កម្មវិធី៖ ៣.៥ ម៉ែត្រ

លេខកូដវាំងននខ្យល់ KRAVAN ACI

ល្បឿន​ខ្យល់​: 28m / s
កម្ពស់កម្មវិធី៖ ៦ ម។

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Information about product

1. What is a air curtain?

When the air curtain operates, it will create two straight, vertical, non-spreading, high-speed wind streams, creating an invisible wind wall. It separates the existing air flow of the space, creating two separate areas.

Air curtain

2. Uses of Air curtain

Air curtains have the same functions as regular doors. When the curtains are activated, they will help:

2.1 Prevent cold air loss

When the door is open and the air curtain is operating, the cold air inside the room is prevented from escaping. From there, ensure a stable temperature inside. The refrigeration equipment inside the room does not need to operate continuously to regain its original stable temperature.

2.2 Prevent insects, dust, moisture, and odors from the air

When the door is open, the air curtain operates, preventing insects, dust, moisture, and odorous air from entering the room. Because they were blocked by the wind curtain and blown out.

3. Principle of operation

Operating principle of air curtains

The air curtain inhales air through the intake inside the centrifugal fan. The centrifugal fan rotates to create a high-speed, vertical airflow thanks to the high-power motor. Then, they will push this air to the outside through 2 blower doors.

A door blowing inward (Illustration of blue airflow in the picture): When it lands, it will bend back into the room. The air is clean and the temperature also moves along the curve and returns to the room

One door blows outward (Illustration of red air flow in the picture): When it lands, it will bend outward. Dirt, insects, moisture,… also move in curves and return to the outside environment

When installing air curtains in combination with doors

Door opens -> magnetic switch opens -> Air cutting fan operates

Door closes -> magnetic switch closes -> Blower fan turns off

4. Specifications

4.1 KRAVAN ACK

KRAVAN ACK – Application height is less than 3.5m
Model KRAVAN ACK 1000
Voltage 220V – 50Hz
Power 300W
Air Volume 1800m3/h
Air velocity 21 m/s
Noise  53 dB
N.W 13.0 kg
Unit size 1000 x 225 x 235 mm
Model KRAVAN ACK 1200
Voltage 220V / 50 Hz
Power 400W
Air Volume 2030 m3/h
Air velocity 21 m/s
Noise  54 dB
N.W 15.0 kg
Unit size 1200 x 225 x 235 mm
Model KRAVAN ACK 1500
Voltage 220V / 50Hz
Power 550W
Air Volume 2500 m3/h
Air velocity 21 m/s
Noise  55 dB
N.W 20.0 kg
Unit size 1500 x 225 x 235 mm
Model KRAVAN ACK 1800
Voltage 220V / 50Hz
Power 640W
Air Volume 3000m3/h
Air velocity 21 m/s
Noise  58 dB
N.W 23.5 kg
Unit size 1800 x 225 x 235 mm
Model MC ACK 2000
Voltage 220V / 50Hz
Power 670W
Air Volume 3300m3/h
Air velocity 21 m/s
Noise  60 dB
N.W 27.5 kg
Unit size 2000 x 225 x 235 mm

4.2 Air curtains for factories

Air curtains for factories – Application height is less than 6m
Model KRAVAN – 6009S
Voltage 380V / 50Hz
Power 1350W
Air Volume 3800m3/h
Air velocity 28 m/s
Noise  65 dB
N.W 27 kg
Unit size 900 x 310 x 355 mm
Model KRAVAN – 6012S
Voltage 380V / 50Hz
Power 1950W
Air Volume 5800m3/h
Air velocity 28 m/s
Noise  67 dB
N.W 42 kg
Unit size 1200 x 310 x 355 mm
Model KRAVAN – 6015S
Voltage 380V / 50Hz
Power 2700W
Air Volume 7700m3/h
Air velocity 28 m/s
Noise  69 dB
N.W 51 kg
Unit size 1500 x 310 x 355 mm
Model KRAVAN – 6018S
Voltage 380V / 50Hz
Power 2900W
Air Volume 8600 m3/h
Air velocity 28 m/s
Noise  70 dB
N.W 57 kg
Unit size 1800 x 310 x 355 mm
Model KRAVAN – 6020S
Voltage 380V / 50Hz
Power 3300W
Air Volume 9200 m3/h
Air velocity 28 m/s
Noise  72 dB
N.W 69 kg
Unit size 2000 x 310 x 355 mm

5. Application

Air curtains are commonly used in places with high travel frequency, transporting bulky goods, etc. Or places that require high standards of temperature and insects:

  • Supermarkets, restaurants, eateries
  • Shops, showrooms
  • Office, building
  • Factory producing electronic components, food, pharmaceuticals,…
  • Goods storage warehouse
  • Clean room, cold storage
  • Entrance doors, warehouse doors for import and export of goods, interroom doors,…

6. Should I use the air curtain?

Air curtains combined with automatic doors will maximize effectiveness and save costs

Whether or not you should use air curtains depends on your intended use.

If you need to maximize 100% efficiency, the wind cutting fan cannot do that. The air curtain will definitely have gaps. Therefore, we recommend that you use air curtains in combination with automatic opening/closing doors.

If your installation area needs quiet, air curtains are not the first choice, because they create a lot of noise. You should carefully review the fan specifications regarding Noise Level to choose and install the appropriate fan type.

And if you need a product that prevents cold air loss, prevents insects while still being convenient to move back and forth. Eliminating opening/closing operations and physical entanglements, air curtains are the best choice. In addition, air curtains also have advantages:

  • Beauty
  • Capable of continuous operation
  • Ensure safety, avoid collisions
  • Save area
  • Automate, save time

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