You are here:
HF-40 / 25R wall grid mounting rear
Back to overview

HF-40 / 25R wall grid mounting rear

Article number: WSA10059

Assembly service

Our craftsmen assemble the products on site so that you are assured of a perfect end result.

Before we start assembling, we first come to the construction site to view the situation and measure everything again.

In the shopping cart you can indicate that you want to use the assembly service.

The aluminum safety ventilation grilles type HF (High Flow) are specially designed for the forced ventilation of technical rooms.


• maintenance free

• one metallic whole for earthing

• vandal-proof and condensate-draining

This ensures optimum protection for people, animals, equipment and machines.

The JAZO ventilation grille type HF consists of a frame (frame) and single horizontal vanes (slats), with a leak sill. Each paddle is welded to the rear, creating a metallic whole that meets the requirements for the earthing of technical spaces. A single earth suffices.

Features Wert
Pitch 36 [mm]
Build-in depth var [mm]
Drag coefficient in 18.62
Drag coefficient out 17.82
Nettflow 40 [%]
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
Do you have any questions or would you like advice? 0316 - 59 29 11