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Expansion Tank Sizing Procedure Sys Vol Input your sytem value here Input your initial system temperature here Max Temp Input your systems maximum temperature here #N/A Constant Based on Temp Change ( value will auto fill in ) #N/A Min Pressure Max Pressure #N/A Based on cell Min Pressure & Max Pressure ( value will auto fill in ) #N/A If cell to left is N/A use tank value to r #N/A Tank model Max Temp Initial Temperature 40 45 50 55 60 65 70 75 80 85 90 95 100 50 0.00006 0.00008 55 0.00025 0.00027 0.00019 60 0.00055 0.00057 0.00049 0.00030 65 0.00093 0.00095 0.00087 0.00068 0.00038 70 0.00149 0.00151 0.00143 0.00124 0.00094 0.00056 75 0.00194 0.00196 0.00188 0.00169 0.00139 0.00101 0.00045 80 0.00260 0.00262 0.00254 0.00235 0.00205 0.00167 0.00111 0.00066 85 0.00326 0.00328 0.00320 0.00301 0.00271 0.00233 0.00177 0.00132 0.00066 90 0.00405 0.00407 0.00399 0.00380 0.00350 0.00312 0.00256 0.00211 0.00145 0.00079 95 0.00485 0.00487 0.00479 0.00460 0.00430 0.00392 0.00336 0.00291 0.00225 0.00159 0.00080 100 0.00575 0.00577 0.00569 0.00550 0.00520 0.00482 0.00426 0.00381 0.00315 0.00249 0.00170 0.00090 105 0.00671 0.00672 0.00665 0.00646 0.00616 0.00578 0.00522 0.00477 0.00411 0.00345 0.00266 0.00186 0.00096 110 0.00771 0.00773 0.00765 0.00746 0.00716 0.00678 0.00622 0.00577 0.00511 0.00445 0.00366 0.00286 0.00196 115 0.00879 0.00881 0.00873 0.00854 0.00824 0.00786 0.00730 0.00685 0.00619 0.00553 0.00474 0.00394 0.00304 120 0.01004 0.01006 0.00998 0.00979 0.00949 0.00911 0.00855 0.00810 0.00744 0.00678 0.00599 0.00519 0.00429 125 0.01111 0.01130 0.01105 0.01086 0.01056 0.01018 0.00962 0.00917 0.00851 0.00785 0.00706 0.00625 0.00536 130 0.01236 0.01238 0.01230 0.01211 0.01181 0.01143 0.01087 0.01042 0.00976 0.00910 0.00831 0.00751 0.00661 135 0.01368 0.01370 0.03162 0.01342 0.01313 0.01275 0.01219 0.01174 0.01108 0.01042 0.00963 0.00883 0.00793 140 0.01501 0.01503 0.01495 0.01476 0.01446 0.01408 0.01352 0.01307 0.01241 0.01175 0.01096 0.01016 0.00926 145 0.01643 0.01645 0.01637 0.01618 0.01588 0.01550 0.01494 0.01449 0.01383 0.01317 0.01238 0.01158 0.01068 150 0.01787 0.01787 0.01779 0.01760 0.01730 0.01692 0.01636 0.01591 0.01525 0.01459 0.01330 0.01300 0.01210 155 0.01937 0.01939 0.01931 0.01912 0.01882 0.01844 0.01788 0.01743 0.01677 0.01611 0.01532 0.01452 0.01362 160 0.02092 0.02094 0.02086 0.02067 0.02037 0.01999 0.01943 0.01877 0.01811 0.01732 0.01652 0.01572 0.01482 165 0.02252 0.02254 0.02246 0.02227 0.01297 0.02159 0.02103 0.02058 0.01992 0.01926 0.01847 0.01767 0.01677 170 0.02418 0.02420 0.02412 0.02393 0.02363 0.02325 0.02269 0.02224 0.02158 0.02092 0.02013 0.01933 0.01843 175 0.02588 0.02590 0.02582 0.02563 0.02533 0.02495 0.02439 0.02394 0.02328 0.02262 0.02183 0.02103 0.02013 180 0.02763 0.02765 0.02757 0.02738 0.02708 0.02670 0.02614 0.02569 0.02503 0.02437 0.02358 0.02278 0.02188 185 0.02941 0.02943 0.02935 0.02916 0.02886 0.02848 0.02792 0.02747 0.02681 0.02615 0.02536 0.02456 0.02366 190 0.03127 0.03129 0.03121 0.03102 0.03072 0.03034 0.02978 0.02933 0.02867 0.02801 0.02722 0.02642 0.02552 195 0.03314 0.03316 0.03308 0.03289 0.03259 0.03221 0.03165 0.03120 0.03054 0.02988 0.02909 0.02829 0.02739 200 0.03510 0.03512 0.03504 0.03485 0.03455 0.03417 0.03361 0.03316 0.03250 0.03184 0.03105 0.03025 0.02935 205 0.03707 0.03709 0.03701 0.03682 0.03652 0.03614 0.03558 0.03513 0.03447 0.03381 0.03302 0.03222 0.03132 210 0.03911 0.03913 0.03905 0.03885 0.03856 0.03818 0.03762 0.03717 0.03651 0.03585 0.03506 0.03426 0.03336 215 0.04120 0.04122 0.04114 0.04095 0.04065 0.04027 0.03971 0.03926 0.03860 0.03794 0.03715 0.03635 0.03545 220 0.04335 0.04337 0.04329 0.04310 0.04280 0.04242 0.04186 0.04141 0.04075 0.04009 0.03930 0.03850 0.03760 225 0.04549 0.04551 0.04543 0.04524 0.04494 0.04456 0.04400 0.04355 0.04289 0.04223 0.04144 0.04064 0.03974 230 0.04762 0.04764 0.04756 0.04737 0.04707 0.04669 0.04613 0.04568 0.04502 0.04436 0.04357 0.04277 0.04187 235 0.04991 0.04993 0.04985 0.04966 0.04936 0.04898 0.04812 0.04797 0.04731 0.04665 0.04586 0.04506 0.04416 240 0.052200 0.052220 0.052140 0.051950 0.051650 0.051270 0.050710 0.050260 0.049600 0.048940 0.048150 0.047350 0.046450 Acceptance Factors Max Pressure P0 Min Pressure at tank PSIG P1 PSIG 5 10 12 15 20 25 30 35 40 45 50 30 0.56 0.477 0.403 0.336 0.224 0.112 40 0.64 0.548 0.512 0.457 0.366 0.274 0.183 0.091 f pressures exceed table, use formul 50 0.696 0.618 0.587 0.541 0.464 0.386 0.309 0.232 0.155 0.078 60 0.736 0.669 0.643 0.602 0.59 0.469 0.402 0.335 0.268 0.201 0.134 1 - P1+14.7 70 0.767 0.708 0.685 0.649 0.634 0.531 0.472 0.413 0.354 0.295 0.236 P0+14.7 80 0.792 0.739 0.718 0.686 0.669 0.581 0.528 0.475 0.422 0.37 0.317 90 0.812 0.764 0.745 0.716 0.698 0.621 0.573 0.525 0.478 0.43 0.382 P1 0 100 0.828 0.785 0.767 0.741 0.723 0.654 0.61 0.567 0.523 0.479 0.436 P0 0 110 0.842 0.802 0.786 0.762 0.723 0.682 0.642 0.601 0.561 0.521 0.481 120 0.854 0.817 0.802 0.78 0.742 0.705 0.668 0.631 0.594 0.557 0.52 0 125 0.859 0.823 0.809 0.787 0.752 0.716 0.68 0.644 0.608 0.573 0.537 Initial Temperature Expansion Factor Expanded Water Volume Acceptance Factor Tank Volume Required

Exp Tank Sizing

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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