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HJ-44 fire resistant build-up louver
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HJ-44 fire resistant build-up louver

Article number: 1294

The aluminium ventilation louvres type HJ are specially designed for ventilation of technical rooms. The eight structure consists of a steel with a stainless steel fire-resistant cassette. The whole is delivered with a fire resistance class E120 EW60 * according to NEN-EN 1634-1. The size in width and height is virtually unlimited. Ask us about the possibilities

Properties of the louvre:
• rain protection free according to specification
• (dust) snow and dust / sand resistant according to specification
• maintenance-free
• ground completely
• vandal-proof and condensate-draining

The JAZO ventilation louvre type HJ consists of a frame and single horizontal blades . Each blade is welded to the front and / or rear in the frame, creating a metallic whole that meets the requirements for the grounding of technical areas. One earth-litze is sufficient.

There are various types of framing profiles and frame for a variety of mounting options. This makes it possible to assemble in every architectural detail

Features Wert
Pitch 48 [mm]
Build-in depth 45 [mm]
Drag coefficient in 19.71
Drag coefficient out 15.67
Nettflow 44 [%]
pressure loss according to EFD.Pro
V in/out (m/s) rain
0,50 B
0.50 B
1,00 B
1.00 B
1,50 C
1.50 C
2,00 D
2.00 D
2,50 D
2.50 D
rain penetration classes according to NEN-EN 13030, BSRIA
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