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JAZO VENTILATION GRILL HS42 AZ
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JAZO VENTILATION GRILL HS42 AZ

Article number: WSA10363

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Assembly service

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JAZO VENTILATION GRILL HS42 AZ

An aluminum ventilation grille type HS42 (High Safety) with 42% net passage for mounting from the rear. Specially designed for natural ventilation of transformer and gas rooms. The ventilation grille consists of a rim with single horizontal blades and a drip sill. The length and width of the whole is configurable. Each vane is welded into the rim at the front and/or rear. This creates a single metallic whole that meets the requirements set for the grounding of technical areas. One ground wire is enough. Surface treatment: powder coating in RAL color of your choice.

Properties:

  • rain impact free
  • (dust) snow and dust resistant
  • sand resistant
  • puncture proof
  • ​flame-extinguishing
  • mouse-tight
  • maintenance free
  • one metallic whole for grounding
  • vandal resistant and condensation draining
  • People, animals, equipment and machines are optimally protected.
Features Wert
Pitch 36 [mm]
Build-in depth var [mm]
Drag coefficient in 62.6
Drag coefficient out 83.6
Nettflow 27.7 [%]
pressure loss according to EFD.Pro
V in/out (m/s) effectiveness (%)
0.00 94.00
0.50 84.00
1.30 72.00
2.00 43.00
2.80 21.00
sandblasting according to NEN-EN 13181: 2001, BSRIA
V in/out (m/s) rain
0.50 A
1.00 B
1.50 D
2.00 D
2.50 D
rain penetration classes according to NEN-EN 13030, BSRIA
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