Company Advantages1. The production of Ventech weatherproof louver utilizes a wide range of equipment which includes welding equipment, lasers equipment, impregnation equipment, spray-painting equipment, annealing and tempering ovens, and high-voltage electrical installations. It can effectively help circulate air in residential and commercial buildings
2. Yingde Ventech Air Conditioning Co.,Ltd thinks quality of Yingde Ventech Air Conditioning Co.,Ltd is the most important and can guarantee for quality. It has a low noise level even at relatively high velocities
3. The product can manage well the heat. Its heat dissipation components provide the path for heat to travel from the light source to outside elements. It has been certified under CE for safe operation
4. The product is resistant to flaking. After withstanding a certain sharp temperature change or collision, it will not easily fail. This product has been optimized with minimal leakage
Back Draught Damper
Applications:
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.
Descriptions:
● 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.


Company Features1. The technology competency of Yingde Ventech Air Conditioning Co.,Ltd has reached industry standards.
2. Our goal is to make every customer enjoy highly rated Ventech service. Get more info!