Service manual

7-2
7.4 HFC134a, temperature - vapor pressure characteristics table
Temperature Vapor pressure Temperature Vapor pressure
°C kPa kg/cm
2
 G °C kPa kg/cm
2
 G
– 40.0 – 49 – 0.5015 20.0 470 4.7977
– 39.0 – 46 – 0.4734 21.0 488 4.9795
– 38.0 – 44 – 0.4440 22.0 507 5.1656
– 37.0 – 41 – 0.4135 23.0 525 5.3560
– 36.0 – 37 – 0.3817 24.0 544 5.5508
– 35.0 – 34 – 0.3486 25.0 564 5.7500
– 34.0 – 31 – 0.3141 26.0 584 5.9538
– 33.0 – 27 – 0.2783 27.0 604 6.1621
– 32.0 – 24 – 0.2410 28.0 625 6.3751
– 31.0 – 20 – 0.2023 29.0 647 6.5929
– 30.0 – 16 – 0.1621 30.0 668 6.8154
– 29.0 – 12 – 0.1204 31.0 691 7.0428
– 28.0 – 8 – 0.0771 32.0 713 7.2751
– 27.0 – 3 – 0.0322 33.0 737 7.5124
– 26.0 1 0.0144 34.0 760 7.7548
– 25.0 6 0.0627 35.0 785 8.0023
– 24.0 11 0.1128 36.0 810 8.2551
– 23.0 16 0.1646 37.0 835 8.5131
– 22.0 21 0.2183 38.0 861 8.7765
– 21.0 27 0.2739 39.0 887 9.0453
– 20.0 32 0.3314 40.0 914 9.3196
– 19.0 38 0.3908 41.0 941 9.5994
– 18.0 44 0.4523 42.0 969 9.8849
– 17.0 51 0.5159 43.0 998 10.1762
– 16.0 57 0.5816 44.0 1027 10.4732
– 15.0 64 0.6494 45.0 1057 10.7761
– 14.0 71 0.7195 46.0 1087 11.0850
– 13.0 78 0.7918 47.0 1118 11.3999
– 12.0 85 0.8664 48.0 1149 11.7209
– 11.0 93 0.9434 49.0 1182 12.0481
– 10.0 100 1.0229 50.0 1214 12.3815
– 9.0 108 1.1048 51.0 1248 12.7213
– 8.0 117 1.1892 52.0 1281 13.0676
– 7.0 125 1.2761 53.0 1316 13.4203
– 6.0 134 1.3657 54.0 1351 13.7797
– 5.0 143 1.4580 55.0 1387 14.1457
– 4.0 152 1.5530 56.0 1424 14.5185
– 3.0 162 1.6508 57.0 1461 14.8982
– 2.0 172 1.7514 58.0 1499 15.2848
– 1.0 182 1.8549 59.0 1538 15.6785
– 0.0 192 1.9613 60.0 1577 16.0793
1.0 203 2.0708 61.0 1617 16.4873
2.0 214 2.1833 62.0 1658 16.9027
3.0 225 2.2989 63.0 1699 17.3254
4.0 237 2.4177 64.0 1741 17.7557
5.0 249 2.5398 65.0 1784 18.1936
6.0 261 2.6651 66.0 1828 18.6391
7.0 274 2.7937 67.0 1872 19.0925
8.0 287 2.9258 68.0 1918 19.5539
9.0 300 3.0613 69.0 1964 20.0232
10.0 314 3.2004 70.0 2010 20.5007
11.0 328 3.3430 71.0 2058 20.9864
12.0 342 3.4892 72.0 2107 21.4805
13.0 357 3.6392 73.0 2156 21.9831
14.0 372 3.7929 74.0 2206 22.4943
15.0 387 3.9505 75.0 2257 23.0142
16.0 403 4.1119 76.0 2309 23.5430
17.0 419 4.2773 77.0 2362 24.0807
18.0 436 4.4467 78.0 2415 24.6276
19.0 453 4.6201 79.0 2470 25.1837
80.0 2525 25.7492
Conversion rate : 1kg  f/cm
2
 G=98.0665kPa