CalculatorExpansion Tank Sizing ProcedureSys VolInput your sytem value hereInitial TemperatureInput your initial system temperature hereMax TempInput your systems maximum temperature here0.00000Expansion FactorConstant Based on Temp Change ( value will auto fill in )0Expanded Water VolumeMin PressureMax Pressure0Acceptance FactorBased on cell Min Pressure & Max Pressure ( value will auto fill in )0.00Tank Volume RequiredIf cell to left is N/A use tank value to right0.00Tank modelMax TempInitial Temperature404550556065707580859095100500.000060.00008550.000250.000270.00019600.000550.000570.000490.00030650.000930.000950.000870.000680.00038700.001490.001510.001430.001240.000940.00056750.001940.001960.001880.001690.001390.001010.00045800.002600.002620.002540.002350.002050.001670.001110.00066850.003260.003280.003200.003010.002710.002330.001770.001320.00066900.004050.004070.003990.003800.003500.003120.002560.002110.001450.00079950.004850.004870.004790.004600.004300.003920.003360.002910.002250.001590.000801000.005750.005770.005690.005500.005200.004820.004260.003810.003150.002490.001700.000901050.006710.006720.006650.006460.006160.005780.005220.004770.004110.003450.002660.001860.000961100.007710.007730.007650.007460.007160.006780.006220.005770.005110.004450.003660.002860.001961150.008790.008810.008730.008540.008240.007860.007300.006850.006190.005530.004740.003940.003041200.010040.010060.009980.009790.009490.009110.008550.008100.007440.006780.005990.005190.004291250.011110.011300.011050.010860.010560.010180.009620.009170.008510.007850.007060.006250.005361300.012360.012380.012300.012110.011810.011430.010870.010420.009760.009100.008310.007510.006611350.013680.013700.031620.013420.013130.012750.012190.011740.011080.010420.009630.008830.007931400.015010.015030.014950.014760.014460.014080.013520.013070.012410.011750.010960.010160.009261450.016430.016450.016370.016180.015880.015500.014940.014490.013830.013170.012380.011580.010681500.017870.017870.017790.017600.017300.016920.016360.015910.015250.014590.013300.013000.012101550.019370.019390.019310.019120.018820.018440.017880.017430.016770.016110.015320.014520.013621600.020920.020940.020860.020670.020370.019990.019430.018770.018110.017320.016520.015720.014821650.022520.022540.022460.022270.012970.021590.021030.020580.019920.019260.018470.017670.016771700.024180.024200.024120.023930.023630.023250.022690.022240.021580.020920.020130.019330.018431750.025880.025900.025820.025630.025330.024950.024390.023940.023280.022620.021830.021030.020131800.027630.027650.027570.027380.027080.026700.026140.025690.025030.024370.023580.022780.021881850.029410.029430.029350.029160.028860.028480.027920.027470.026810.026150.025360.024560.023661900.031270.031290.031210.031020.030720.030340.029780.029330.028670.028010.027220.026420.025521950.033140.033160.033080.032890.032590.032210.031650.031200.030540.029880.029090.028290.027392000.035100.035120.035040.034850.034550.034170.033610.033160.032500.031840.031050.030250.029352050.037070.037090.037010.036820.036520.036140.035580.035130.034470.033810.033020.032220.031322100.039110.039130.039050.038850.038560.038180.037620.037170.036510.035850.035060.034260.033362150.041200.041220.041140.040950.040650.040270.039710.039260.038600.037940.037150.036350.035452200.043350.043370.043290.043100.042800.042420.041860.041410.040750.040090.039300.038500.037602250.045490.045510.045430.045240.044940.044560.044000.043550.042890.042230.041440.040640.039742300.047620.047640.047560.047370.047070.046690.046130.045680.045020.044360.043570.042770.041872350.049910.049930.049850.049660.049360.048980.048120.047970.047310.046650.045860.045060.044162400.0522000.0522200.0521400.0519500.0516500.0512700.0507100.0502600.0496000.0489400.0481500.0473500.046450Acceptance FactorsMax Pressure P0Min Pressure at tank PSIG P1PSIG510121520253035404550300.560.4770.4030.3360.2240.112400.640.5480.5120.4570.3660.2740.1830.091If pressures exceed table, use formula:500.6960.6180.5870.5410.4640.3860.3090.2320.1550.078600.7360.6690.6430.6020.590.4690.4020.3350.2680.2010.1341 -P1+14.7700.7670.7080.6850.6490.6340.5310.4720.4130.3540.2950.236P0+14.7800.7920.7390.7180.6860.6690.5810.5280.4750.4220.370.317900.8120.7640.7450.7160.6980.6210.5730.5250.4780.430.382P101000.8280.7850.7670.7410.7230.6540.610.5670.5230.4790.436P001100.8420.8020.7860.7620.7230.6820.6420.6010.5610.5210.4811200.8540.8170.8020.780.7420.7050.6680.6310.5940.5570.5201250.8590.8230.8090.7870.7520.7160.680.6440.6080.5730.537

Metric Calculations0.00Sys Vol (liters)Input your sytem value here-17.78Initial Temperature celciusInput your initial system temperature here-17.7777777778Max TempInput your systems maximum temperature here0.00000Expansion FactorConstant Based on Temp Change ( value will auto fill in )0.0Expanded Water Volume0.00Min Pressure (kg/m2)0.00Max Pressure (Kg/m2)0Acceptance FactorBased on cell Min Pressure & Max Pressure ( value will auto fill in )0.00Tank Volume Required (liters)Tank model