Pressure relief louvers

PRL-A Aluminum pressure relief louver grille made from high quality extruded aluminum profile and solid aluminum sheet. The original thickness of aluminum grille is optional from 0.8mm-1.2 mm for meeting varieties of customers' demands.The pressure relief is great for warehouse , office, room, school room, hospital, duct  outlet as well as stairwell etc.The louvered grille is ecomic and good choice as air returning for air conditioned space, it is usually mounted to the sidewall of building and air conditioning duct system for return or relief air.The shutte/blade of pressure relief vents are gravity downward .A louver  vent  can effectively  automatic adjust the pressure between indoor and outdoor. It stops  air from outside flowing into a room space when  it gets a less pressure than outside. Otherwise, the inside air pressure will blow the louver open andexhaust or return the air.

Sealed foam can be used to avoid noise occurring during the pressure relief grille louver shutter working.According to the actual size of room space,any size is customized about conditioner air supply/return vent louvers.Powder spray painting generally RAL9010/9016 colors are applied. Other colors are available to decorate the actual building.Andclean Anodisedaluminum color also available.According to the different mounting needs in actual project, fittings and accessories will be provided per each customer's demands.