Ventech has obtained ISF certification. It is qualified in terms of multipoint color balance, gamut matching/manipulation, and other factors. This product is available in various kinds of powder coating2.
Yingde Ventech Air Conditioning Co.,Ltd's customer service is highly recommended by clients. It is widely used in long corridors, offices, buildings, etc3.
This product is highly recognized by customers for its durability and long-lasting performance. This product has the advantage of corrosion resistance4.
This product must go through our quality inspector's internal quality assurance procedure to ensure non-defective quality. This product is designed with a high fire rating5.
The implementation of the quality management system ensures that the product complies with international standards. This product meets the requirements of building regulations
Back Draught Damper
Ventilation damper the type back draught damper is a non-return damper for extract air. Made of galvanized sheet, for installation into round ducts, to shut the duct automatically when extraction of air stops. Prevent the outside air flow back.
● Nominal sizes: 100, 125, 150, 200, 250, 315.
● For non-return air control.
● Fame made of galvanized sheet 0.8mm, inner shutter made of aluminum 0.3mm.
● For installation into round ducts.
● Specially designed springs allow accurate control of the shutter.
Yingde Ventech Air Conditioning Co.,Ltd is a louver grill manufacturer in China. After years of development, our competitiveness has improved.2.
Yingde Ventech Air Conditioning Co.,Ltd constantly develops new aluminum louver vent products by technological innovation and R&D.3.
Our company bears social responsibilities. The energy we use at our various facilities is carefully controlled, and so are the emissions that we produce. Nothing that can be recycled is allowed to go to waste.