Installation and maintenance manual
INFINEE chillers
TECUMSEH EUROPE S&L
2 av. Blaise Pascal, 38090 Vaulx Milieu
Tel.: +33 (0)4 74 82 24 00 - www.tecumseh.com
ENGLISH
29
Version: 2020-01
Properties of R290 Propane
Highly flammable fluid propane (A3 according to EN378-1).
Characteristics
Units
Value
Chemical Formula
CH
3
-CH
2
-CH
3
Molar mass
g/mol
44,09
Boiling temperature
under 1,013 bar
°C
-42.1
Liquid volumetric mass
Vapor volumetric mass
at 20°C
at 20°C
kg/dm
3
kg/dm
3
0.500
0.018
Absolute pressure
at 20°C
bar
8.5
Critical temperature
°C
96.67
Critical pressure
Absolute
bar
42.5
Superficial tension
(liquid/vapor interface)
At +10°C
At -50°C
dyne/cm-1
8.35
13.59
Flamability lower limit
Flamability higher limit
In the air at 20°C under
1,013 bar
% volume
2.2
9.5
Self inflamation temperature
°C
480
Thermodynamic properties
Tempe
rature
Absolute
pressure
Density
kg/m
3
Volume
m
3
/kg
Enthalpy
kj/kg
Entropy
Heat
sp
e
c
p
°C
mPa
Liquid
Vapor
Liquid
Vapor
Liquid
Vapor
Liquid
Vapor
-70
0.02435
612.6
1.5505
39.06
492.05
0.3253
2.5551
2.131
1.308
-60
0.04261
601.6
0.92303
60.59
504.0
0.4285
2.5088
2.168
1.358
-50
0.07046
590.5
0.57907
82.49
515.97
0.5287
2.4713
2.210
1.412
-40
0.11100
579.0
0.37968
104.86
527.92
0.6265
2.4410
2.257
1.471
-30
0.16770
567.2
0.25840
127.74
539.80
0.7221
2.4168
2.309
1.536
-20
0.24439
555.0
0.18147
151.18
551.55
0.8160
2.3976
2.367
1.607
-10
0.34516
542.4
0.13087
175.24
563.11
0.9086
2.3825
2.432
1.685
0
0.47434
529.1
0.9649
200
574.39
1.0000
2.3706
2.506
1.771
10
0.63648
515.2
0.07246
225.54
585.30
1.0907
2.3613
2.590
1.868
20
0.83631
500.4
0.05522
251.96
595.73
1.1810
2.3537
2.687
1.980
30
1.0788
484.6
0.04258
279.39
605.49
1.2714
2.3471
2.802
2.113
40
1.3692
467.4
0.03309
307.97
614.35
1.3621
2.3405
2.942
2.279
50
1.7130
448.6
0.02582
337.92
621.99
1.4539
2.3330
3.122
2.498
