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Quick Details

  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: HY
  • Model Number: HY-FH-WSDd-0002
  • Type: HVAC Systems
  • Use: Ventilation/Air-conditioning system duct of Smoke/Fire prevention
  • Material: S.S. 304/S.S. 316/G.I.
  • Finished: Epoxy paint/Polish/Power coated
  • Color: RAL Series Standard Colors
  • Shape: Square/Rectangle/Round
  • Size: Any size is available
  • Quality: Only provide hight quality products

Packaging & Delivery

Packaging Details Wooden case package, or as Customer request

Name: Spring-return Close Fire Damper

Model: HY-FH-WSDd  



Our company’s products of fire damper/smoke fire damper/smoke damper/smoke vent has more reasonable structure and more advanced process after years of development and production. And all have achieved full mechanized production 



The performance of fire damper/smoke fire damper have reached the regulation of national standard GB 15930-2007<Fire dampers for building venting and smoke-venting system>. The performance of smoke damper/smoke vent have reached the regulation of public safety industry standard GA 481-2004 <Smoke damper (vent)>. 




This damper is installed in the pipe of ventilation system and air-conditioning system which need smoke prevention and fire prevention, and in the pipe of exhaust system.

1. Operation device is consisted of electric actuator with spring reset, and temperature controlled switch. At ordinary time, the electric actuator must be electrified to make damper at open condition, when in fire situation, the damper will be closed by the spring, thus act as the function of preventing fire and smoke. Usually this damper is used in difficult operation system and high automated level required system.
2. Damper opens through continuous power supply by Fire Service Center, DC 24V and close when power is off. If reset and start again, then new continuous power supply is needed.
3. Temperature control: temperature sensor works to make damper closed.
4. When turned on or off, it outputs two groups of contact signal








 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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China (Mainland) | Trading Company
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