QUANTITY OF WATER IN THE INSTALLATION      
PIPES          
Internal diameter Unitary volume Length Volume  
mm liters/m meters liters  
 liters
 liters
 liters
 liters
Water in pipes  liters
           
TANKS AND EQUIPMENTS        
   liters
   liters
   liters
   liters
Water in tanks and equipments  liters
           
SAFETY VOLUME      liters
Total quantity of water  liters
           
           
USEFUL VOLUME OF THE EXPANSION VESSEL      
Glycol concentration G
%
Maximum temperature tmax ºC
Expansion coefficient Ce  
Useful Volume Vu  liters
           
TOTAL VOLUME OF THE EXPANSION VESSEL      
Cracking pressure of safety valve Pc  bar
Minimum pressure of expansion vessel Pvmin  bar
Maximum pressure (absolute) PM  bar
Minimum pressure (absolute) Pm  bar
Pressure coefficient Cp  
Total Volume V  liters