Hvac door mounted fresh air ventilation transfer air grille

Transfer Air Door Grille:

• The door grille rated ventilators are suitable for 1 hour rated doors and partitions. The units, which satisfy BS 476 Part 22, incorporate intumescent elements which expand and carbonise when exposed to temperatures in excess of 150°C, thereby sealing off the ventilation opening.

• The ventilators may be beaded directly into the door/partition opening or covered by optional steel grilles to suit aesthetic requirements.

• The door grille are constructed from aluminium extrusions. The extrusions are retained in a horizontal louvre pattern by reinforced vertical members and an enclosing frame system.

Drawings:

Transfer grille, door grille

Ventilation grille the type transfer grille/door grille is suitable for air transfer applications. Made of aluminum, rectangular. Preferably for wall and door installation. Ready-to-install component which consists of a border and fixed horizontal blades.

*  Nominal sizes 225 × 125 – 1225 × 525 mm.

*  Ventilation grille with fixed angled-shaped V blades.

*  Fixing holes for screw-fixing to the installation surface.

*  Grille face made of aluminum, powder coated or anodized.

*  Front border 30mm wide.

*  Countersunk holes.

*  Grille in RAL colors, or anodized.

*  Matching rear frame for door installation.

*  For wall and door installation.

*  Non-vision ventilation grille.

Sample pictures shows:

Package:

10 pcs/ctn, LCL in standard export pallets,FCL in 20GP,40GP,40HQ.