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Circular single-leaf air check damper air duct damper

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Circular single-leaf air check damper air duct damper

Circular single-leaf air check damper air duct damper
Circular single-leaf air check damper air duct damper

Large Image :  Circular single-leaf air check damper air duct damper

Product Details:
Place of Origin: China
Brand Name: Popula
Certification: CCC
Model Number: FHF-WSDc-FK
Payment & Shipping Terms:
Minimum Order Quantity: 10pcs
Price: negotiable
Packaging Details: Carton
Delivery Time: 15 days
Supply Ability: 1000000Pcs/month

Circular single-leaf air check damper air duct damper

Shape: Square Color: Red
Usage: Install On Ventilation Project Function: Cut Off Damper
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Product Introduction

1.The fire damper smoke senor send a firm alarm signals and controller switch on, valve opened

2. Open the valve by hand or computer

3. Reset the fire damper by hand or computer

4. The fire damper valve is opened automaticly when temperature reach 280°C

5. The valve outputs electric signals, interlocked with fire control system.

6. PYFH - YSDW is remote control (no more than 6 m)

Main Parameter

1. The fire damper air leakage volume different pressure300 pa: 700 m3 / m2 .h
2. The control voltage: DC 24 v
3. The current action: 0.3 A
4. The micro switch contacts capacity: AC380V 3 a
5. The drag coefficient when full open: < 0.5 structure
6. The main components: the valve body, valve leaf, shaft and bushing, check the
mouth and actuators


Material: Aluminium , Stainless steel or Galvanized sheet fire damper
Finish: white or follow customer's requirements(For example:RAL9010)
Fixing: Fixing by screws or clips
Packing material: cardboard
Packing method: packaging by cardboard carton box
Delivery terms: 1-30 days after receive the subscription
Payment terms: Pay 30% deposit at order(by T/T) and 70% before shipment (by T/T)
Product description:

The scope of application and the principle: Applicable to the ventilation, air-conditioning duct with flow volume control and fire prevention demand. Usually the damper is open. When fire occurs, the fuse plug promptly close automatically. Manually open the damper to reset the system


1. Close the valve manually

2. Close the valve automatically when fuse plug reaches its fusing temperature 70°C.

3. Adjusting air flow volume at will between 0°- 90°

4. Biggish circular fire damper uses rectangular damper body equipped with a circular angle iron flange.

5. Can install additional signal device as users demand.

Specification: Standard Size: 300*300 also can be made according to your reques


About US


Founded in 1996, Foshan Nanhai Popula Fan Co.Ltd has been headquartered in Nanhai District for more

than 20 years. Centralized in R&D, production, sales and service, it has been a high-tech and comprehensive enterprise which is integrated in environmental protection and ventilation equipment in the field of industrial fans.


Its factory covers 115,000 square meters while standard workshops covers 100,000 square meters with more than 1300 staff. Many of its products have successively passed ISO9001: 2008 international quality system certifications. CCC.CE, SASO.QS, fire safety certification. And it even has acquired 10 invention or utility model patents at home and abroad.


After years of running, it creates a subsidiary corporation--Guangdong AMX Electric Appliances Co.., Ltd., which specializes in Misting Fan, Ventilation Fan, and Fresh Air system production. Nowadays, many of these both companies’ high quality products have been exporting more than 70 countries and regions around the world and have won a lot of customers’ heart in domestic and oversea.


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Contact Details

Contact Person: victoria

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