ISA-75 - 1995 / IEC-534 - Control Valve Sizing
Valve Tag Number:
Service:
P&ID:
Piping
Upstream
Downstream
Nominal Size:
mm
Pressure
kPa(a)
Valve Body Size:
mm
Valve F
L
Coefficient:
(liquids only)
Valve X
T
Coefficient:
(Gases only)
Number of ports:
Butterfly Valves count as 2 ports
Flow Rate
kg/h
Fluid Density Upstream:
kg/m
3
Vapour Pressure
kPa(a)
(Liquids only)
Critical Pressure
kPa(a)
(Liquids only)
Viscosity
mPa.s
(Liquids only)
Cp/Cv
Leave blank for liquids
Valve Reynolds Number
Calculated Cv:
Warnings: