Scientific production: the production of Ventech air duct louvers is scientifically managed. A strict real-time monitoring system is carried out during each production step to make sure zero error of its quality. This product has been widely used in hotels, buildings, and shopping halls2.
The use of this product helps insulate people from the financial impact of unpredictable sharp energy price increases that could happen in the years to come. Its shape can be customized to adapt to different ceilings3.
The product has no risk of electrical hazards. Having passed a dielectric voltage-withstand test, it has been guaranteed that it will not pose a sudden current. It can remain undisturbed in the ceiling or wall4.
High safety of this product shall be notable. All of the electrode leaders have been tested for voltage resistance and insulation performance. This product is perfectly suitable for damp areas such as toilets and bathrooms
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 possesses a powerful technical staff and advanced production equipment.2.
Sustainable development is at the core of our daily work and guides our future progress. We believe we will benefit from these efforts in many ways. Inquire!