Description

Rectangular grille with circular perforations, used for introducing or evacuating air.
Perforated grille can be used in installations with constant or variable air flow with ceiling or wall mounting.

The grille is provided with circular perforations with a diameter of 5 mm.
As standard, the grille is manufactured with holes for screw mounting, except for the size 595×595 mm (external dimensions) for the false ceiling 600×600 mm.
The product is delivered with fixing screws.
For installation with a mounting frame, the grille is accessorized with fixing clips.

Technical drawing

Supply Extraction

The legend
Ak [m²] - The free surface
Veff [m/s] - The effective velocity of air in the grille
NR [dB (A)] - Noise level without room attenuation
X [m] - The length of the air jet at a speed of 0.2 m/s
∆Pt [Pa] - Pressure loss

Adapter (plenum box)

The adapter is made of Z140 galvanized steel sheet and is equipped with suspension lugs.
On request, the plenum can be insulated with 6 mm thick elastomeric rubber.

Air filter G4 with frame (F-R)

G4 air filter with aluminum frame, used for air filtration and is mounted on the grille connection. The large dimensions are made in several pieces.

Mounting frame (CC)

The mounting frame is used when a hidden, easy and fast installation of the grille is desired. Depending on the size required, it is made and delivered in one or more pieces.

Opposed blade damper (OBD)

The damper is used to adjust the air flow. It is equipped with opposable blades and gears, mounted on the grille connection. The large dimensions are made in several pieces.

As standard the grille is mounted by means of screws.
Optionally, for a hidden and easy assembly, a mounting frame can be used. The installation of the grille in the mounting frame is done by clamping.
The grille with dimensions 595x595 mm (LxHext) is placed on the profile of the false suspended ceiling with size 600x600 mm (the product is made without holes).

Installation with screws