Specifications and other main control parameters.
2. It is suitable for ventilation and air -conditioning system. Except for the kitchen fume system of public buildings, the action temperature of the action temperature is 150 ° C. The action temperature of the other fire valve is 70 ° C.
3. Suitable for the pipelines of ventilation air conditioning or smoke exhaust system.
4. Pay attention to the function of the valve. If you open it, it is often closed, automatically closed, automatically closed, manually close the opening, manual reset, signal output, and long -distance control.
5. If the valve is linked to the fan, a dual -micro switch device should be selected.
6. For valve body chips, steel plates should be made with steel plates. The thickness is between 2 and 6mm. The valve body is made of non -combustible materials. The rotating parts should be corrosive metal materials and rotate flexible.
7. The thickness of the valve shall not be less than 2mm.
8. Easy melody components shall meet the recognition standards of the fire department.
The above is the main point of the selection of fire prevention valves