best air duct return grille wholesale for large public areas

External grille

Ventilation grille the type external grille(sometimes called as weather louver) is designed to take in air from the exterior or to exhaust used air for comfort zones and industrial zones. Ready-to-install component which consists of a border and fixed weather proof designed blades. They are very strongly built and resistant to aggressive climatic conditions, for outdoor installation.

● Nominal length: 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000.

Nominal height: 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000.

Other dimensions upon request.

● Blades are weather proof design to prevent rains from outside.

● For installation in walls.

● Made of extruded aluminum, powder coated, or anodized.

● Concealed clip fixing or countersunk holes screw fixing.

● Available in RAL colors, or Anodized color.

● With galvanized insect mesh 4x4 fixed to the back side of the grille.

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In conformity with the industry standards, Ventech air duct return grille is manufactured with top-notch raw materials. The main parts of the product feature strong interchangeability

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Ventech air duct return grille is manufactured by making use of optimum quality raw material and the latest machines. Equipped with a high-speed servo driving system, it can greatly shorten the blowing cycle

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The design of Ventech air duct return grille is a combination of aesthetics and functionality. A special protection system is installed on the core plate of the product

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Making use of advanced technology and the latest design concepts, Ventech air duct return grille has various innovative design styles. It has a high requirement on the tool clamping system

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With innovative design and fine craftsmanship, Ventech air duct return grille is always ahead of the competition. It has features of high locating accuracy and high clamping accuracy

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The product has a smooth and flat surface. The singeing technique which quickly passes yarn or fabric through a flame or rubs it over a hot metal surface to remove the surface hairs. It is available in diffferent parameters to fit bottles of different sizes

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3^rd, Hongca Road, Yinghong Industrial Zone, Yingde, Guangdong, China

VENTECH HVAC are always ready to help you.

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