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Ron Foster Sr.  
707-433-3419  
PO Box 1469  
Healdsburg, CA 95448  

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Pressure Pumps and Tanks

How A Pressure Tank Works


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Precharged Air Cushion Pump
Precharged Air Cushion Pump
A Pressure Tank has a sealed-in air chamber that is pre-pressurized before it leaves our factory. Air and water do not mix eliminating any chance of “water logging” through loss of air to system water.

Pressure Drops
Pressure Drops
When the pump starts, water enters the pressure tank as system pressure passes the minimum pressure pre-charge. Only useable water is stored.

Pump off
Pump off
When the pressure in the camber reaches maximum system pressure, the pump stops.

The pressure tank is filled to maximum capacity.

Pump stays off
Pump stays off
When water is demanded, pressure in the air chamber forces water into the system. Since the pressure tank does not waterlog and consistently delivers the maximum useable water, minimum pump starts are assured.

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