Two-liter sprayers with sfc valves

2 liter hand sprayers with sfc valves are used in homes to fight household insects and in very small greenhouses and gardens.
The sprayer consists of a tank and a pump, and the piston of the pump is moved inside the cylinder by hand and separates the air into two parts while moving forward.divides equally

The piston enters a part of the air into the tank and sends the other part out directly through a small opening in the cylinder. A narrow tube inIt is installed inside the tank and the liquid enters the narrow tube by the pressure of the air above due to the movement of the piston and at the end of the tube it collides with the part Second, the air is made into very small particles. The air inside the liquid tank is made into large drops and thrown out one after the other, and the air in the second part He made these drops into tiny particles.