There are two types of spray guns: normal pressure type and pressurized type.
There are mainly A, B, C, D, E, F, G types of spray guns
Type A, Type B, Type C are mainly suitable for nozzles with outer diameters such as Φ18, Φ20, Φ21, Φ22.5; Type D spray gun is suitable for nozzles with outer diameters such as Φ15, Φ16, Φ12.5; Type E and F are suitable for It is suitable for horn-type nozzles; G type is suitable for nozzles with outer diameters such as Φ15, Φ16, Φ18, and Φ20.
There are also pressure spray guns, carlo spray guns, and automatic recovery spray guns.