Press the pressure handle down manually, the volume in the spring cavity decreases, the pressure rises, the liquid enters the nozzle cavity through the hole of the valve core, and then the liquid is sprayed out through the nozzle. At this time, the... morePress the pressure handle down manually, the volume in the spring cavity decreases, the pressure rises, the liquid enters the nozzle cavity through the hole of the valve core, and then the liquid is sprayed out through the nozzle. At this time, the pressure handle is released, and the spring cavity The volume increases and a negative pressure is formed. The sphere opens under the action of negative pressure. The liquid in the bottle enters the spring cavity. At this time, a certain amount of liquid is already stored in the valve body. When the handle is pressed again, the liquid stored in the valve body will be Rush up, spray out through the nozzle;
The key to a good pump head is to pay special attention to the following places:
1. The glass or steel ball under the spring, the seal here is very important, it is related to the strength of the liquid in the spring cavity. If there is leakage here, some liquid will leak into the bottle when the pressing handle is pressed. And affect the... less
Emily packing
(owner)
Plastic Sprayers Supplier - Cosmetic Sprayer: Application Benefits
The design of cosmetic bottles is always innovating, starting with plastic covers and squeezing the lids to the final spray pump, each time for better storage of cosmetics for people's convenience. So today we mainly understand the advantages of cosmetic spray pumps?
1 high quality environmental protection, high recovery rate
2 good sealing
3 doses can be well controlled, and can be very convenient in many ways, such as medical, wound or oral cavity is not suitable for application, then the spray pump comes in handy.
For more information on plastic cosmetic sprayers, please visit the Plastic Sprayers Supplier : https://www.ruichangpacking.com