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Quick Details

  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: HY
  • Model Number: HY-FZH-0010
  • Type: HVAC Systems
  • Material: S.S. 304/S.S. 316/G.I.
  • Shape: Square/Rectangle/Round
  • Size: Any size is available
  • Quality: Only provide hight quality products
  • Use: Ventilation system of industrial and civil
  • Installation: Easy to install
  • Maintain: Maintenance-free
  • Air leakage: Low-leakage type
  • Customized service: Accept and can help customer to design & produce
  • Operation type: Gravity type

Packaging & Delivery

Packaging Details Wooden case package, or as Customer request
Name:  Back Draft Damper
Model: HY-ZH


HY-F series air volume damper is our company’s new products of developing and producing. Has two models of low leakage and general. Also has two types of folio blade and parallel blade. It combines these advantages of Johnson Controls Inc.(USA) and many Chinese company, simple & reasonable structure, low leakage, small friction torque, low noise, flexible operation, good rigidity of blade, corrosion resistant, easy installation, beautiful appearance, complete variety of products, etc. 



Its performance and each parameter index all reach the regulation of standard JB/T7228-94 <Volume Damper> of Machinery Industry Standard of People’s Republic of China. It can be widely used in air condition and ventilation system of industrial and civil, to achieve the purpose of controlling air volume exactly.  



1. It is used in air flue with wind speed ≥8m/s. When the draught fan stops working, the blade of the check damper will be closed with self-weight to prevent the air flow backwards.
2. The frame is made of galvanized steel plate. The blade is made of aluminum alloy plate. The bearing is sintered bronze oil bearing with flexible start & close.
3. It has two types of rectangle shape and round shape. If there is no special requirement about the round shape type from customers, the round shape check damper will be made into square-round shape which equips round shape flange on both sides of rectangle shape check damper.
4. It must be equipped with heavy hammer parts when it is installed in the vertical air flue and the air flow is with direction from up to down. Please definitely tell us this situation of vertical air flue when you order.

HY-F series volume/air damper products








 Our Contact Information 

Sichuan Hongyang HVAC Equipment Co., Ltd. (HY) 

Add: B District High-tech Industrial Park, Chengdu City, Sichuan Province, P.R.China 

Tel: 0086-28-83511339 Fax: 0086-28-83511339 

sales @ hongyanghvac.com    Skype: hy_daniel 

Wechat: 2683377980                QQ: 2683377980 


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