The definition of “Spray angle ” is the angle of spray shape. (please refer to schematic diagram)
① Easy understanding “spray angle” by 5 sentences
We lists following 5 easy sentences for you to quick understand what is “spray angle”
● Unit: degree
● Spray angle is the index for simplifying spray coverage.
● Spray is not able to travel in tangential direction which is caused by the effects of gravitational acceleration and air resistance.
● Spray angle and pressure is inevitable relationship.
● Within 10kg/cm2 pressure, greater the spray angle of fan spray nozzle, greater the pressure. But, it is not not necessarily adapted to cone nozzle.
It is more helpful to refer following technical articles for deeper understanding.
● How to chooze a nozzle
● The measurement of theoretical coverage by spray distance for flat fan nozzle
● The measurement of theoretical coverage by spray distance for full cone nozzle
② Spray angle and coverage
Theoretical spray coverage under 300mm spray distance
● 90°Spray angle: The spray distance is 60cm, and the spray coverage is 0.28㎡/per nozzle.
● 170°Spray angle: The spray distance is 150cm, and the spray coverage is 1.76 ㎡/per nozzle. (about 6.3 times)
③ 3 key “distance” decision making points to choose spray angle of nozzles
It is able to find out the spray angle you need for choosing nozzles by following 3 kinds of “distance” with 2 charts, The measurement of theoretical coverage by spray distance for flat fan nozzle, The measurement of theoretical coverage by spray distance for full cone nozzle.
● Distance between nozzle and spray target
● Distance between beside nozzles
● Distance between pipes: Besides fan nozzles, this is very important factor to choose the spray angle of cone nozzles, hollow cone nozzles, and spiral nozzles.
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