Relief Valve Sizing

Paratherm Heat Transfer Fluids

Critical Temperature, Tc(Calculated)
UnitsHR™NF©HE©OR©MR™LR™CR™
ºR1465145315801524135811741168
ºF100599311201064899714709
K814807878847755652649
Critical Pressure, Pc(Calculated)
UnitsHR™NF©HE©OR©MR™LR™CR™
ATM18.711.126.513.312.910.728.6
PSIA274163389196190157421
Critical Volume, Vc(Calculated)
UnitsHR™NF©HE©OR©MR™LR™CR™
cm3/g-mole816157972013809871327493
ft3/lb0.0370.0720.0330.0630.0450.060.023
Heat of Vaporization,DH vap
UnitsHR™NF©HE©OR©MR™LR™CR™
BTU/lb110917793115113148
Molecular Weight avg
UnitsHR™NF©HE©OR©MR™LR™CR™
MW239350445360230160133
Constants
k=Cp/Cv =1.01
C’ =316.5
R =82.06 cm3*atm/mol*K
Fb =1.0