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Warranty: 1 Year

After-sale Service: Onsite Inspection

Project Solution Capability: Graphic Design, 3D Model Design, NONE

Application: Office Building

Design Style: Industrial

Basic Infomation

Payment & Shipping Terms

Packaging Details: packing by tape, or bags or pallet

Supply Ability: 100000 Piece/Pieces per Week

Product Description

Products Description

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The fire damper, normally open and closed at 70 ℃ or 280 ℃, is generally installed at the place where the air duct passes through the firewall and structural deformation joint to control the fire, and the output electric signal can be set, When the temperature exceeds 70 ℃ or 280 ℃, the valve is closed and the linkage supply (make-up) fan is closed.

★ product classification Fire damper It is installed on the air supply and return pipelines of ventilation and air conditioning system and is usually open. In case of fire, when the gas temperature in the pipeline reaches 70 ℃, the fusible link will fuse, and the valve will automatically open under the action of torsion spring force The fire resistance and stability of the valve can meet the fire resistance requirements within a certain time. When the valve is closed, the closing signal is output. The smoke and fire control valve is normally open and closed at 70 degrees. It is the same as 1. However, one more electric signal is input and can be closed remotely by the fire control room. It is generally used for common air duct system of air supply and fire make-up at ordinary times In the system, the rooms that do not need air supplement can be controlled and closed in case of fire; Normally open smoke exhaust fire damper, 280 degree fusing, closed, normally open, outputs electric signal. This is similar to 1, but the fusing temperature is different. It is generally used at the place where the fire smoke exhaust pipe passes through the firewall When the temperature exceeds 280 ℃, it will automatically fuse and close, and the smoke exhaust fan can be closed in linkage. Smoke exhaust valve It is installed on the pipeline of smoke exhaust system, which is generally closed at ordinary times. In case of fire, it can be opened manually or electrically for smoke exhaust. When the flue gas temperature in the smoke exhaust pipe reaches 280 ℃, it will be closed at a certain temperature It is a valve that can meet the requirements of fire resistance stability and fire resistance integrity in time and plays the role of smoke exhaust. Normally closed smoke exhaust fire damper (normally closed, electric signal on, 280 degree fusing off, or manual closing) is generally used in smoke exhaust system. One can be installed at the suction inlet of smoke exhaust fan, In case of fire, the smoke exhaust fan can be opened under the control of the fire control room, and the smoke exhaust fan can also be interlocked and closed when it is closed. Smoke exhaust valve is different from the above 3. Some units are called smoke exhaust valve according to its operating temperature, and some are called fire damper according to its purpose and nature, but for the equipment side It's just that the fusing metal of ordinary fire damper is replaced by the one with 280 degree fusing Automatic smoke exhaust fire damper (for Subway Engineering) the fire and smoke exhaust valves of subway ventilation and air conditioning system have the function of linkage control with automatic fire alarm equipment and gas fire extinguishing system. Each full-automatic smoke and fire damper has two independent electric control signals, which are monitored by EMCS and gas elimination system respectively. The control signals are DC24V ± 10%. Each set is fully automatic smoke and fire prevention The valve has six independent feedback signals (three open in place and three closed in place). The feedback signals are normally open passive contact signals. Smoke exhaust outlet If you install the necessary smoke exhaust valve on the pipeline, use the ordinary single-layer louver air outlet; Otherwise, a plate type smoke exhaust outlet is required, which is also equipped with a mechanism of smoke exhaust fire damper.

Industrial fire smoke damper trigger

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