Technical R-407A Guidelines - in the following sizes Pressure-Temp Chart-40-35-30-25-20-15-10-5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 ...

Download Technical R-407A Guidelines -   in the following sizes Pressure-Temp Chart-40-35-30-25-20-15-10-5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 ...

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  • Available in the following sizes

    Pressure-Temp Chart

    -40-35-30-25-20-15-10-505

    101520253035404550556065707580859095

    100105110115120125130135140

    3.96.49.2

    12.215.619.223.227.532.237.342.848.755.162.069.377.285.694.6104114125137149162175190205221238255274293314335358382406

    Physical Properties of RefrigerantsEnvironmental Classification

    Molecular Weight

    Boiling Point (1 atm, F)

    Critical Pressure (psia)

    Critical Temperature (F)

    Critical Density, (lb./ft^ 3)

    Liquid Density (70 F, lb./ft ^ 3)

    Vapor Density (bp, lb./ft ^ 3)

    Heat of Vaporization (bp, BTU/lb.)

    Specific Heat Liquid (70 F, BTU/lb. F)

    Specific Heat Vapor (1 atm, 70 F, BTU/lb. F)

    Ozone Depletion Potential (CFC 11 = 1.0)

    Global Warming Potential (CO2 = 1.0)

    ASHRAE Standard 34 Safety Rating

    Temperature Glide (F) (see section 2)

    Refrigerant Reference Guide 5th Edition 201035

    R-407A Technical

    Guidelines

    R-407AHFC

    90.1

    -49.9

    658.6

    181

    31.4

    72.6

    0.291

    100.8

    0.3554

    0.1967

    0

    2110

    A1

    10

    Applications: Medium and low temperature commercial and industrial direct expansion refrigeration

    Performance: Slightly lower discharge temperature Closest capacity match Similar PT and flow properties = no component changes

    Lubricant Recommendation: Compatible with polyolester lubricant

    Temp(F)

    R-407A25 LB. CYLINDER

    100 LB. CYLINDER925 LB. CYLINDER

    1550 LB. CYLINDER

    Replaces: R-22

    R-407A (R-32 /125 /134a) (20 / 40 / 40 wt%)

    Liquid(psig)

    Vapor(psig)1.01.03.35.88.5

    11.514.918.522.526.931.636.742.348.354.861.869.477.486.195.3105116127139152165179194210227245264284305327350375

    R-407A

    Retrofitting to: R-407A in R-22 Refrigeration page 94

  • Refrigerant Reference Guide 5th Edition 2010

    Technical Guidelines

    THERMODYNAMIC PROPERTIES OF R-407ATemp

    [F]

    -60-55-50-45-40-35-30-25-20-15-10-505

    101520253035404550556065707580859095

    100105110115120125130135140

    PressureLiquid[psia]

    10.812.514.316.418.621.123.926.930.333.937.942.246.952.057.563.469.876.784.091.9100109119129140151164176190204220236252270289308329350373396421

    Density Liquid

    [lb/ft3]

    88.8188.2687.7287.1786.6186.0585.4984.9284.3583.7783.1882.5981.9981.3980.7780.1579.5278.8878.2377.5776.9076.2175.5274.8174.0873.3472.5871.8071.0170.1969.3468.4867.5866.6565.6964.6963.6462.5561.3960.1758.87

    DensityVapor

    [lb/ft3]

    0.1640.1890.2180.2500.2850.3250.3680.4160.4690.5270.5910.6600.7360.8180.9081.0051.1111.2251.3491.4821.6261.7821.9492.1302.3252.5342.7603.0033.2653.5483.8534.1834.5394.9255.3455.8016.2986.8437.4438.1068.843

    Enthalpy Liquid

    [Btu/lb]

    -6.1454-4.6163-3.0826-1.54400.000

    1.54963.10524.66726.23587.81149.394510.9912.5814.1915.8117.4419.0720.7222.3824.0525.7327.4229.1330.8532.5934.3536.1237.9139.7241.5543.4045.2747.1749.1051.0653.0655.0957.1659.2861.4563.69

    Enthalpy Vapor

    [Btu/lb]

    95.4196.1296.8297.5298.2198.9099.59100.3100.9101.6102.3102.9103.6104.2104.8105.4106.0106.6107.2107.8108.3108.9109.4109.9110.4110.9111.3111.7112.1112.5112.9113.2113.4113.7113.9114.1114.2114.2114.2114.1113.9

    EntropyLiquid

    [Btu/R-lb]

    -0.01496-0.01117-0.007410.003690.000000.003660.007290.010880.014460.018000.021520.025020.028490.031950.035380.038800.042190.045580.048940.052300.055640.058970.062290.065610.068920.072220.075520.078820.082130.085430.088740.092060.095390.098740.10210.10550.10890.11240.11590.11940.1230

    EntropyVapor

    [Btu/R-lb]

    0.24340.24180.24040.23900.23760.23640.23510.23400.23290.23190.23090.22990.22900.22810.22730.22640.22570.22490.22420.22350.22280.22210.22140.22080.22020.21950.21890.21820.21760.21690.21630.21560.21480.21410.21330.21250.21160.21070.20970.20860.2074

    PressureVapor[psia]

    7.68.9

    10.311.913.715.718.020.423.226.229.633.237.241.646.351.457.063.069.576.584.192.1101110120130142154166180194209225242260279299320342365390

    36

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