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Model NPAC Negative Pressure Air Curtain

Model NPAC Negative Pressure Air Curtain

The basic NPAC model is made to counteract the one-way flow-through forces caused by negative building pressure or by wind effects.

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3CAV Triple Conditioned Air Vestibule

3CAV Triple Conditioned Air Vestibule

The Model 3CAV is primarily used between rooms with extreme temperature differences and very high traffic.

The frost elimination cycle is similar to the Model DCAV but the additional vestibule improves efficiency as well as increases the model's temperature range applicability. 

The Model 3CAV automatically adjusts as conditions change to optimize performance and reduce energy consumption.

With the use of HCR sensors and software, Model 3CAV can be integrated into a facility's refrigeration control and monitoring system.  This allows both remote monitoring and remote adjusting of the HCR equipment.

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Model RCAV Frost-Free Airlok Door

The Model RCAV is a short, conditioned-air vestibule for freezer to outer room conditions that span large temperature differentials up to 100 degrees with average doorway traffic and limited floor space around the door.


It significantly reduces refrigeration load while preventing frost, ice and wetness at the doorway. It consists of two high speed rollup doors, and a heated horizontal, recirculatory air curtain between the doors. It is equipped with a PLC or Solid State automated control, to regulate the amount of air and heat required.

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MCAC Miniature Conditioned-Air Curtain

MCAC Miniature Conditioned-Air Curtain

Miniature/small version of CAC for conveyors.

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Hybrid: AC & CAC with Roll-up Doors

By combining an air door with your currently installed door, you are assuring an efficient air block when your hard door is open, reducing cold air loss and decreasing the problems associated with high-traffic openings, such as ice and safety concerns.

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TCAV Touch-Thru Conditioned Air Vestibule

TCAV Touch-Thru Conditioned Air Vestibule

A small conditioned air vestibule with touch opening capability.

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