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![5fceea162](https://img7.grofrom.com/www.holtopfactory.com/uploads/fa345a00.png)
![95fb98ab](https://img7.grofrom.com/www.holtopfactory.com/uploads/9ff6decb.png)
![Holtop industrial AHU (air handling unit industrial air conditioning units)](https://img7.grofrom.com/www.holtopfactory.com/uploads/944ce2d7.jpg)
Type | 50B | 80B | 80C |
Structure | Frame structure Expose beam connection | Frame structure Expose beam connection | Pure panel structure smooth internal side |
Insulation material | PU/Rockwool | PU/Rockwool | Rockwool |
Insulation thickness (mm) | 50 | 80 | 80 |
Density (kg/m3) | ≥45/60-120 | ≥45/60-120 | 60-120 |
Flame retarded class | B1/A | B1/A | A |
Airflow range (m3/h) | 10000-280000 | 20000-320000 | 100000-320000 |
Total pressure (Pa) | ≤2800 | ≤3200 | ≤4000 |
Casing mechanical strength | GB14294-2008 | GB14294-2008 | EN1886-2007 D1 |
Thermal transmittance | EN1886-2007 T2 | EN1886-2007 T2 | EN1886-2007 T2 |
Cold bridge | EN1886-2007 TB2 | EN1886-2007 TB2 | EN1886-2007 TB2 |
Air leakage | Smaller than clean room AHU | Smaller than clean room AHU | EN1886-2007 L1 |
Comply standard | GB | GB | European |
![1](https://img7.grofrom.com/www.holtopfactory.com/uploads/38a0b923.jpg)
Heating Section | Coil Heating & Valves Module | Spray Section |
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