Air Curtains/ Doors
Raynor Garage Doors of Kansas City offers a wide variety of air curtains/doors. These specialty doors can be helpful for special circumstances. If you believe air curtains/ doors could be a good solution for your commercial demands, be sure to reference the following information.
An air curtain is most often used to separate one environment from another. It does this by creating a “curtain” of moving air that is projected over the opening of a doorway. The wall of air acts as an invisible barrier that will not allow air to flow through it. Typically, the air curtain is mounted over a doorway on the inside, as a result, the air pulled into the intake of the unit is from the conditioned environment.
This air is accelerated and forced through a narrow discharge along the length of the air curtain creating a laminar airflow. The discharge angle can be adjusted using the provided turning vanes to achieve optimum performance.
Since the velocity of the air decreases as it gets further away from the air curtain, if the discharge angle is too large the air curtain won’t be able to stop much wind from entering near the floor. If the discharge angle is too small, the air leaving the unit will not have enough horizontal force to stop a significant gust of wind from entering. Usually the ideal discharge angle for maximum wind-stopping capability is around fifteen degrees.
When the discharged air reaches the floor it splits, forcing some air outward and some inward. This is why when a unit is used for climate control, it should be placed on the opposite side of the doorway from that of the air that is to be kept out. For example, if it is winter and you are trying to keep cold outside air from entering a building, the air curtain would be placed on the inside so that it is blowing warm air.
When the warm air hits the floor, some is leaked to the outside and some is blown back inside. If the unit was on the other side of the opening, some of the cold air that you are trying to keep out would be blown inside, defeating the purpose. If the unit is to be used for insect control, the air curtain can be mounted on the outside of the doorway as long as the discharge is adjusted so the air is blowing back toward the outside. In this situation it doesn’t matter if some of the outside air is blown inside after it splits at the floor. This air should already be free of insects because they will not fit through the intake screen.
Recessed Air Curtains
Although, Raynor Garage Doors of Kansas City’s stainless steel air curtains are aesthetically pleasing, we realize that sometimes, the benefits of air doors are desired while the end user would rather not see the actual unit.
When there is insufficient room between the top of the door and the ceiling to mount an air curtain or if it is not desirable to see the air curtain, the air curtain can be recess mounted in the ceiling with the use of a custom nozzle extension supplied by Powered Aire, Inc. When an air curtain is used in a recessed installation, the steering vane that is typically installed in the air curtain discharge to deflect the air stream is removed. It is instead installed on the discharge side of the nozzle extension.
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Air Curtain Guidelines
Econo Power (ECP)
Used when cost is the overriding factor in selecting an air curtain. The ECP is a low-profile air curtain that is constructed of painted steel. They are available in two sizes for 36-inch and 48-inch wide doors.
Compact low-profile design ideal for drive through windows and entrances, where space is limited.
Customer Entrance Door (CED- Unheated and Electric) (CHS- Hot Water and Steam)
Used in retail applications to separate inside and outside environments for comfort and energy savings. Low-velocity air steam used to minimize air blowing on customers.
Bug Control (BCE & BCT)
Designed to stop insects, dust, and other debris from entering through door. Raynor Garage Doors of Kansas City offers a light-duty model (BCE) and heavy-duty (BCT).
Climate Control (ETD- Unheated and Electric) (THS- Hot Water and Steam)
For use in stopping cold or warm air from entering climate controlled environment.
Used over dock doors or large openings in an industrial environment.
Extra High Door (EHD)
For use in industrial settings where maximum air capacity is desired.
Corrosion Duty (LDC & HDC)
For use in corrosive atmospheres. Raynor Garage Doors of Kansas City offers this in a light-duty model (LDC) and heavy-duty model (HDC).
Hazardous Environment (LDX & HDX)
Non-spark construction for use in explosive atmospheres. Is available in a light-duty model (LDX) and heavy-duty model (HDX).
For more details about our air curtain/ doors selection, contact Raynor Garage Doors of Kansas City at (913) 766-2366 — we look forward to serving you.