Low Pressure CO₂ Storage Tank Sizing Calculator

Calculate low pressure CO₂ storage tank capacity and refrigeration requirements per NFPA 12

Input Parameters

Results

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Required Tank Capacity
lb
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Tank Volume
gal
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Refrigeration Load
BTU/hr
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Operating Fill Level
%
Note: Low pressure CO₂ systems are economical for large quantities (>2000 lb). Tank is refrigerated to 0°F at 300 psi. Regular maintenance of refrigeration system is critical. Dual refrigeration units recommended.

Reference

NFPA 12 Low Pressure CO₂ Systems Storage conditions: 0°F (-18°C), 300 psi CO₂ density at 0°F: 63.7 lb/ft³ Operating fill level: 90% maximum Reserve supply: 100% for occupied spaces Refrigeration required to maintain storage temperature Tank sizes: 750 to 60,000 lb standard