JINAN SHUANGYI ENVIRONMENT ENGINEERING CO., LTD.

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Description of Fire Resisting Damper:

The fire resisting damper is installed to supply air piping and return air piping of the ventilation or air condition system, at normal time it is on the open state. When catch fire and the air in the pipe reached to 70 deg, the fusible piece will fuse, the valve will automatically shut down under the twisting power of tensional spring, so that it can get the effect of the resisting fire. And when the valve is closed, it can send out the signal.

Fire Resisting Damper Types:

1. Self droop reverse turning bed fire resisting damper.

2. Ceiling type fire resisting damper.

3. Fire proof adjustable valve.

4. Fire proof smoke proof valve.

5. Full automatic fire proof adjustable valve.

Smoke Exhaust Damper Types:

1. Smoke exhaust damper.

2. Smoke exhaust/fire proof damper.

3. Distance control, smoke exhaust damper.

4. Distance control, smoke exhaust, fire proof damper.