Model No.: Door grille DG-VA
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.
DG-VA model HVAC Systems High quality Aluminum Door Grilles is processed by anodized extruded aluminum profile of superior quality. It has special designed blades to provide high performance such as ventilation and privacy protection. To be specific, it is an grille or security grille that allows air transferring on door or wall.
1. Made of high quality extruded aluminium profile.
2. It is used for air transfer on doors or walls.
3. Screw mounting as standard.
4. RAL 9010 / RAL 9016/ Anodized
|Standard Size H*L (mm)||Effective Area (m2)||Air Volume (m3/h)|
|Assumed velocity is 2.5 m/s|
Product Categories : Others Grille