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• Lotion Pump-Good Pump Head: 4 Things
• 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...أكثر منPress 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 effect of...  أقل
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