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Principle of foam pump head injection volume

Principle of foam pump head injection volume

(Summary description)When using it, please press it to expel the air in the air tank (the plastic tube that can absorb shampoo). After venting the air, press the pump head again. After letting go, the spring in the pump head will return to its original state, and then a vacuum will be formed in the liquid storage chamber and negative pressure will be generated. At this time, the pressure in the channel device is consistent with the atmospheric pressure, the pressure in the liquid storage chamber is lower, and the pressure in the transfer device is higher. At this time, due to the pressure difference, the atmosphere will press the liquid around the mouth of the reservoir into the reservoir, thereby squeezing out the shampoo.

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Principle of foam pump head injection volume

(Summary description)When using it, please press it to expel the air in the air tank (the plastic tube that can absorb shampoo). After venting the air, press the pump head again. After letting go, the spring in the pump head will return to its original state, and then a vacuum will be formed in the liquid storage chamber and negative pressure will be generated. At this time, the pressure in the channel device is consistent with the atmospheric pressure, the pressure in the liquid storage chamber is lower, and the pressure in the transfer device is higher. At this time, due to the pressure difference, the atmosphere will press the liquid around the mouth of the reservoir into the reservoir, thereby squeezing out the shampoo.

Information

Use atmospheric pressure principle

When using it, please press it to expel the air in the air tank (the plastic tube that can absorb shampoo). After venting the air, press the pump head again. After letting go, the spring in the pump head will return to its original state, and then a vacuum will be formed in the liquid storage chamber and negative pressure will be generated. At this time, the pressure in the channel device is consistent with the atmospheric pressure, the pressure in the liquid storage chamber is lower, and the pressure in the transfer device is higher. At this time, due to the pressure difference, the atmosphere will press the liquid around the mouth of the reservoir into the reservoir, thereby squeezing out the shampoo.

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