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CLH
CleanZone – Ceiling diffuser with HEPA-filter for supply air in clean rooms
- Rectangular or circular duct connection
- Size CDH/CLH 60 designed for suspended ceiling systems 600x600 with visible T-bars
- Equipped with HEPA-filter H14 with gel seal (CLH), or dry seal (CDH)
- Painted inside for easier cleaning
- Measurement outlet for dip test and pressure above filter
- Perforated or nozzle diffuser face
- Standard colour White RAL 9003
- 5 alternative standard colours
- Other colours upon request
| AIRFLOW - PRESSURE DROP - SOUND LEVEL* | |||||
| CLH Size | Type | Velocity over the filter at 0,45 m/s | |||
| Air flow q | Pressure drop | Sound level | |||
| l/s | m3/h | Δp Pa | LA dB(A) | ||
| 33-160-1 | Perf. | 41 | 148 | 150 | <15 |
| Nozzles | 41 | 148 | 170 | <20 | |
| 60-315-1 | Perf. | 116 | 418 | 40 | <15 |
| Nozzles | 116 | 418 | 55 | <25 | |
| 66-315-1 | Perf. | 167 | 601 | 145 | <15 |
| Nozzles | 167 | 601 | 170 | 35 | |
| *Upper limit for the air flow is equivalent to 0.58 m/s across the filter’s nominal gross area. Data applies to 4-way horizontal spread pattern. | |||||