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.

best air duct return grille wholesale for large public areas-1

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air duct return grille is one of the factors that Yingde Ventech Air Conditioning Co.,Ltd emphasizes during material selection. With German Siemens HIM touch screens, SUMWIC machine achieves improved image display

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What Yingde Ventech Air Conditioning Co.,Ltd is utilizing for material of air duct return grille is double checked for quality. CNC micro-computer controller allows easier parameters setting on SUMWIC machine

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All air duct return grille may be the same, but air duct return grille make us take the lead.The roll spool of SUMWIC winding machine adopts step-servo motor

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It has been proved through industrial tests that air duct return grille has met design requirements. SUMWIC winding machine can adjust the winding speed automatically to the most steady state

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air duct return grille attracted attention with a particular design, it was regarded a air duct return grille with great expansibility. All SUMWIC machines have low noise level

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air duct return grille can stand all kinds of strict tests before putting into use. SUMWIC machines have extremely strong anti-jamming capabilities

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

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