Fire Damper by manual

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Item:Fire Damper by manual for duct ventilation system

Short Description:Here lists device by manual,availabe for motorized fire damper,too.Fire damper,also called smoke damper, usually installed in the pipe of HVAC Duct and mechanical exhaust system, usually is in turned off, but will automatically turn on to exhaust smoke in case of fire, when the internal temperature in smoke exhaust pipe reaches 70 degrees, 150 degrees, 280 degrees (available setting) is closed, and meet the leakage amount of smoke and fire integrity requirements within a certain period of time, from the effects of smoke fire retardant. Main material: carbon steel, galvanized steel, stainless steel. Easy operation and installation, low noise, leaking a small amount (closed type leakage <0.5%) Operating temperature region wide, reliable structure, safe and convenient.

Custom various types of Fire Damper…

Size: Customized
Place of origin: China , Sell to worldwide.

Type A: Rectangular manual fire Damper

Type B:Rectangular manual fire Damper

• The damper is available for retail and wholesale;
• The place of origin is in China,when you buy one or a small quantity,please consider freight into the cost;
• Accept one unit as min. order;
• Accept bulk order with Container delivery;
• Accept customized production;
• More fire Damper are not displayed on the web.If the item above doesn`t meet your requirement,please contact us to email: ventilation@smartclima.com ,we can supply a favourite item you need.

Main Usage
(1) usually was turned on, when a fire in the exhaust pipe when the flue gas temperature reaches 280 degrees off, and to meet the leakage amount of smoke and fire integrity requirements within a certain period of time, from the effects of smoke fire retardant
(2) manually shut down or manual reset;

Advantages:
1, the amount of air leakage is low, airtight performance;
2, the electric current consumption small open;
3, strong corrosion resistance and long service life; (made of stainless steel type)

Types:
1. normally open type Fire Damper;
2. normally closed Fire Damper;

Function:
2.1 Fire Damper function normally open as follows:
2.1.2 When the pipe temperature reaches 280 ℃, fuse action, the valve automatically closes.
2.1.3 Output signal the valve is closed, interlocking exhaust fan stops.
2.1.4 manually shut down, manually open.
2.2 normally closed smoke damper, the following functions:
Normally closed smoke damper, also known as secondary smoke damper action.
2.2.2 Output valve open signal, interlock control fire exhaust fan.
2.2.3 manually open, manual reset closed.
2.2.4 When the pipe temperature reaches 280 ℃, fuse action, the valve is closed again.
2.3 Remote control type smoke damper (rope-controlled) function as follows:
2.3.1 has a normally closed type smoke damper all the features
2.3.2 can be remotely opened manually, manual reset closed.
2.3.3 Rope control distance standard 6m (long can be customized)
2.4 automatic reset type smoke damper function as follows:
2.4.2 When the pipe temperature reaches 280 ℃, the fuse action, the valve automatically closes.
2.4.3 can be manually opened.
2.4.5 Output valve open signal, interlock control exhaust fan start and stop.
2.4.6 If memory alloy temperature sensors, can be used repeatedly without replacement.