Article number: WSA10026
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The aluminum safety ventilation grilles type HS (High Safety) are specially designed for the natural ventilation of transformer rooms and gas rooms.
Characteristics:
- rainproof
- (dust) snow and dust resistant
- sand-resistant
- puncture-proof
- Flame-extinguishing
- mouse-tight
- maintenance free
- one metallic unit for earthing
- vandal resistant and condensation resistant
This optimally protects people, animals, equipment and machines.
The JAZO ventilation grille type HS consists of a frame (frame) and single horizontal blades (slats), with a leakage sill. Each blade is welded at the rear, creating a single metallic whole that meets the requirements for earthing technical areas. One earth wire is sufficient.
| Features | Wert |
| Pitch | 36 [mm] |
| Build-in depth | var [mm] |
| Drag coefficient in | 62.6 |
| Drag coefficient out | 83.6 |
| Nettflow | 27.7 [%] |
| V in/out (m/s) | effectiveness (%) |
| 0,00 | 94,00 |
| 0.00 | 94.00 |
| 0,50 | 84,00 |
| 0.50 | 84.00 |
| 1,30 | 72,00 |
| 1.30 | 72.00 |
| 2,00 | 43,00 |
| 2.00 | 43.00 |
| 2,80 | 21,00 |
| 2.80 | 21.00 |
| V in/out (m/s) | rain |
| 0,50 | A |
| 0.50 | A |
| 1,00 | B |
| 1.00 | B |
| 1,50 | D |
| 1.50 | D |
| 2,00 | D |
| 2.00 | D |
| 2,50 | D |
| 2.50 | D |
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