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In a balanced-port valve, the pressure acting on the upstream side of the diaphragm is balanced by the pressure acting on the downstream side. This balance eliminates the effect of liquid pressure on the opening force of the valve, as the forces cancel each other out. The valve remains stable and the opening force is not affected by changes in the liquid pressure.

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1y ago

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Why doesnt air pressure crush an empty soft drink can when sitting on the table?

The can is designed to withstand the external air pressure. When a can is sealed, the pressure inside and the pressure outside are balanced. However, when the can is empty and open, the pressure inside and outside the can equalize, preventing the can from being crushed.


Why doesnt air pressure crush an empty soda can sitting on a table in your house?

Air pressure pushes equally on all sides of the can, so the pressure from the outside and inside of the can is balanced, preventing it from being crushed. Without any changes in pressure or force acting on the can, it remains in its original shape.


Why doesnt air pressure crush an empty soft-drink can as you drive down a mountain?

The air pressure inside the can is equal to the external air pressure, so there is no imbalance causing the can to be crushed. The rigidity of the can also helps maintain its shape as the external air pressure decreases while driving down the mountain.


Why doesnt air pressure crush us?

The air pressure inside our bodies balances the external air pressure, preventing us from being crushed. Our bodies are also designed to adapt to changes in pressure, allowing us to withstand variations in atmospheric pressure without harm. Additionally, the human body is mostly made up of water and solids, which are not easily compressible.


Why doesnt the pressure of atmosphere break windows?

Pressure in the atmosphere doesn't break windows because there is the same pressure on both sides of the glass. Windows can break if there is a big difference on one side compared with the other.

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