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RECNET NEWS

12 25 2018
Benefits of Potable Water Pressure Tank Filling with Nitrogen Pre-Charge

Benefits of Potable Water Pressure Tank Filling with Nitrogen Pre-Charge

Aquasky's pressure tanks are filled with 100% Nitrogen, and we are the only tank manufacturer is doing it now. 
Air is 78 percent nitrogen, just under 21 percent oxygen, and the rest is water vapor, CO2 and small concentrations of noble gases such as neon and argon. 

Why use nitrogen? 
Nitrogen is less likely to migrate through diaphragm rubber than is oxygen, which means the pressure tank does not need to re-fill the air pressure once on the pressure tank in service. 
Nitrogen is a very stable gas against with temperature changes which means more consistent inflation pressures during the service life. 

For example, New York City
Summer Temperature at is 28 Degree C, 
Winter Temperature is 0 Degree C,

With regular air filling pressure tank, the air per-charge is lower in the winter than the summer-time with nearly 30 degree difference. Find pressure tanks in Aquasky.