Round Gravity Droop Louver

Specifications

Gravity Louver 
Droop Blade Louver 
One-way Blow Grill 
Non-return Air Grille 
ISO9001:2008;ISO14001:2004;GB/T28001-2011 

Name: Round Gravity Droop Louver

Model: HY-KZB

Certificate

Our company’s air diffuser/grille is manufactured in compliance with the standard JG/T 14-2010 <Air outlets and inlets for ventilation and air conditioning> and JG/T 20-1999 <Method of testing for rating air distributor performance> of Construction Industry Standard of People’s Republic of China.

Advantages

With these advantages of reasonable design, superior materials, manufacture of high precision, complete variety, easy installation and etc. The air diffusers/grilles are all made of high quality aluminum alloy extrusions, its surface is processed by anodic oxidation, so it is smooth, clean, beautiful, corrosion resistance. The color of air diffuser/grille is natural color of aluminum-alloy (silver white), also can be other color according to customers’ requirement by spraying plastic.

1. Based on principle of self weight of blade, the air grille is closed at normal time to stop interchange of air between indoor and outdoor. When the indoor positive pressure reach to a certain value, the air grille will open automatically, and the openable angle of blade is gradually increasing with the indoor positive pressure. The air grille has function of one-way non-return.
2. It can be made into rectangular type or round type. The picture is the t rectangular ype.
3. The blade is parallel with ground. If no special requirement, the blade of rectangular type shall be parallel with short side.