1-3
FM-200
®
ECS Series Engineered Fire Suppression Systems
September 2004 90-FM200M-000
Temperature (°F)
Pressure (PSIG)
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
020
40 60 80 100 120 140 160 180
50 lb./cu ft.
65 lb./cu ft.
70 lb./cu ft.
72 lb./cu ft.
75 lb./cu ft.
Figure 1-1. FM-200 Pressure/Temperature
Curve Isometric Diagram
Table 1-2. FM-200 Physical Properties,
Metric Units
Description Units Measurement
Molecular Weight N/A 170.03
Boiling Point at 760 mm Hg °C -16.4
Freezing Point °C -131
Critical Temperature °C 101.7
Critical Pressure kPa 2912
Critical Volume cc/mole 274
Critical Density kg/m
3
621
Specific Heat, Liquid at 25°C kJ/kg°C 1.184
Specific Heat, Vapor at Constant
Pressure (1 atm) and 25°C
kJ/kg°C 0.808
Heat of Vaporization at Boiling
Point at 25°C
kJ/kg°C 132.6
Thermal Conductivity of
Liquid at 25°C
W/m°C 0.069
Viscosity, Liquid at 25°C centipose 0.184
Relative Dielectric Strength at
1 atm at 734 mm Hg, 25°C
(N
2
= 1.0)
N/A 2.00
Solubility, by Weight, of Water in
Agent at 21°C
ppm
0.06% by
weight
Table 1-1. FM-200 Physical Properties,
Imperial Units
Description Units Measurement
Molecular Weight N/A 170.0
Boiling Point at 19.7 psia °F 1.9
Freezing Point °F -204
Critical Temperature °F 214
Critical Pressure psia 422
Critical Volume ft
3
/lb 0.0258
Critical Density lb/ft
3
38.76
Specific Heat, Liquid at 77°F Btu/lb-°F 0.282
Specific Heat, Vapor at Constant
Pressure (1 atm) and 77°F
Btu/lb-°F 0.185
Heat of Vaporization at
Boiling Point
Btu/lb 56.7
Thermal Conducti vi ty of
Liquid at 77°F
lb/ft-hr-°F 0.040
Viscosity, Liquid at 77°F lb/ft-hr-°F 0.433
Relative Dielectric Strength at 1
atm at 734 mm Hg, 77°F
(N
2
= 1)
N/A 2.00
Solubility, by Weight, of Water in
Agent at 70°F
ppm 0.06%