Who knows the distance between the fire spray on the supermarket and the goods on the shelf?
The vertical distance from the top surface of the lower part shall not be less than 150mm.
The built-in shelves and roof under sprinkler nozzle should be staggered, the splash plate plate and above the distance should not be less than 75mm, should not be greater than 150mm
The shelf panels above the shelf shall be enclosed laminates. If there is a hole or a gap above the sprinkler head, a hot water shield shall be arranged above the sprinkler head. Heat and water collector should be square or circular metal plate, the surface area of not less than 0.12m2, around the curved edge under the edge of the nozzle and the splash plate should be flush.