Ventilation grilles watertightness tested

MLL-Typ 622V IP23D: The water-repellent ventilation grilles from MLL HAMBURG are designed such that they limit the penetration of water when it rains. The passage of air into or out of an air distribution system or part of a building is not limited thereby. The use of this watertightness ventilation grilles takes place in many applications where differences in wind direction and wind speed, local turbulence, droplet velocity, droplet size and flowing from surface water what from the surrounding buildings parts can arise.

Description:

Ventilation grille, Protection class IP23D and water proofness class A

System 622VIP23D

- Poke Safe

- Splash-proof

- Wire protection

- Free ventilation cross section: 47%

Middle series: V-slat

Construction: Slat 020V in frame 602

Fly screen: Fiberglass MW 1.4 mm / 1.4 mm Nirosta MW

Bird protection: Galvanized MW 10 mm / 8 mm Nirosta MW

Surface: E6 / EV1 anodised, E6 / C31-35 shades, RAL to choose / raw

Special colors on request

Mounting: Built-in

All profiles are made of Al MG Si 0,5.

Protection DIN EN 60529: 1991+ A1: 2000 and watertightness tested acc. To DIN 13030:2001

Application:

- Trafo housing

- medium voltage systems

- switchgear

- control cabinets

- Exhaust grille in ventilation systems

Wherever the Protection class for the protection of persons and / or of the equipment is necessary. For the protection of electrical equipment with a max. Voltage up to 72.5 kV.