In fact, the structure of the fan-shaped duckbill is similar to other nozzles. At the bottom of the fan-shaped duckbill, an optional external or internal threaded structure is used to lock the flow path of the inlet to avoid wasting resources due to over-spray. In the middle of the fan-shaped duckbill, there are some prominent shapes. At the end of the fan-shaped duckbill, there is a slightly larger flat structure. In the main scene, due to its good pressure resistance, he can work hard in high pressure water, and secondly because his duckbill is flat and large, it sprays a large area of water.
