1. Product selection points
1. The main control parameter specifications are selected.
2. The fire prevention valve is suitable for ventilation air -conditioning systems. Except for the fire valve of the kitchen fume system of public buildings, the action temperature of the movement of the general ventilation and air conditioning system is 70 ° C. Generally, the action temperature is 70 ° C.
3. The fire valve is suitable for the pipelines of ventilation, air conditioning or smoke exhaust systems.
4. Pay attention to the function of the valve when choosing a valve.
5. If the valve is linked to the fan, a dual -micro switch device should be selected.
6. The blade of the valve body should be steel plates with a thickness of 2 ~ 6mm. The valve body is made of non -combustible materials. The rotating parts should be corrosive metal materials and rotate flexible.The thickness of the valve shall not be less than 2mm.Easy Rong components shall meet the recognition standards of the fire department.
2. Construction and installation points
1. Fire fire valve can be lock with ventilation and smoke exhaust fan.
2. On the side of the operating agency of the valve, there should be a net space of not less than 200m to facilitate maintenance.
3. Before installing the valve, check whether the operator of the valve must be intact and whether the action is flexible and effective.
4. The fire prevention valve should be installed in the air duct section close to the wall or floor. The fire valve on both sides of the fire -resistant partition wall should not be greater than 200mm from the surface of the wall.Unsuble materials should be used.
5. The firewood valve should be set up separately to prevent the deformation of the pipeline during fire affecting its performance.
6. The fuse of the fire prevention valve should be installed on the side where the fire is risk.