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Tunnel built-in openable air cooler

Tunnel built-in openable air cooler

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Air Flow (m³/h): 40000~180000
Cooling Capacity (kW): 252~1134
1. Resistance change and energy saving
Use the on and off rotary heat exchange integrated device, during the ventilation season, put on the heat exchange to reduce the internal resistance of the unit, to achieve energy-saving operation, the cooling coil air resistance of ventilation is  1/60 comparing to the traditional air handling units.

2. Simple and reliable
The openable heat exchanger unit can be mounted directly in the air duct of subway station, simple installation, save spaces of machine room, reduce investment costs.

3. Compatible smoke discharge
The openable heat exchange unit can be turned on in the smoke discharge mode, reduce smoke discharge resistance, can withstand 250 ℃ high temperature flue gas, no leakage within 1 h, no distortion, no collapse, no barrage for the exhaust passage.

4. Safe anti-freeze
Coils are emptying structure, each circuit are maintained at the same angle of inclination to facilitate draining, the drain valve is disposed in the lowermost collector pipes and lower than the lowermost heat exchange tube can be shut down when the water drain; Direct expansion unit is in use of direct evaporation of refrigerant, completely avoid the occurrence of the coil cracking.
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