Fire nozzle Knowledge you may know
Fire nozzle for fire nozzle system. when happen a fire, splashing through the nozzle water dish spilled out the fire, currently divided pendent nozzles, upright nozzles ordinary nozzles, sidewall nozzles, etc. In case of fire, fire nozzles evenly through spilled on a certain area of the fire played a controlled. Nozzle common types are: pendent, upright, ordinary type and sidewall.
1. Pendent nozzles
Pendent nozzles are the most widely used kind of nozzle, drooping branch pipe mounted on the water supply. As the shape of the paraboloid type nozzle, the 80 to 100% of the total amount of water sprayed into the ground. Protection have ceiling of the room, arranged beneath the ceiling nozzles should be used sagging ceiling nozzles or nozzle.
2. Upright nozzles
Upright nozzles installed on the water supply branch pipe, nozzle paraboloid shape type. The downward spray 80 to 100% of the total water, At the same time a part of upright upright nozzle nozzle sprayed the ceiling. So it suitable for installation on the roof of a moving object more crash-prone places such as warehouses and the roof can also be installed in the room ceiling dissection which is more combustible ceiling imposed to protect the top of boron
Common type nozzles can be installed directly, but also hanging in the water pipe line installation. It 40% -60% of the total amount of water sprayed down, playing in a larger portion of the ceiling. Applies to restaurants, shops, warehouses, underground garage and other places. (Less common type used)
Sidewall nozzle installat on wall, suitable for space piping installation difficult places, mainly for light office, hall, lounge, hallway, guest sidewall nozzle sidewall nozzle housing and other buildings dangerous parts. Roof light risk level for horizontal dangerous and I grade room and office can be sidewall nozzle can be sidewall nozzles.
Concealed nozzle use for high-end hotels, residential, theaters and other neat effects need to ensure smooth ceilings place. Concealed nozzle lid is welded to the fusible metal thread and its melting point is 57 degrees. Therefore, when happen a fire, the temperature rise and first the cover off, and then the temperature rose to 68 degrees (generally nozzle), glass burst, water spray. Therefore the most tabooconcealed of spray nozzle is stained paint and paint on the lid. Because that will lead to the action will cause malfunction.
The spray nozzle Changyuan offers has the distinguished features of fashion design and excellent performance. Changyuan has engaged in offering a wide range of fire fighting water nozzles for many years at reasonable price. We warmly welcome customers to cooperate with us. We're pleased to get your inquiry and we will come back to you as soon as possible.