G

Note: following are snapshot values.

FDG1 : 574 mmWc

FDG2 : 575mmWc

FPG3 : 17.30 Kg/Cm2

FQG : 1.17 Kg/S

FQKGDB : 76

FQKGG : 1.046

FQKGSG : 0.608

FQKGSL : 737

FTG : 53 Deg C

Orifice details available from performance guarantee test calculation sheet given at the commissioning time are as follows:

Diameter of Pipe @ 20 Deg C : D' = 0.154051 m

Diameter of Pipe during test : D = 0.154109842 m

Flowing Temp : FT = 54.95 Deg C

Beta : 0.582160533

Problem: the FQG calculated by Mark V is 1.17 Kg/s. using a Daniel's flow calculator for these values the gas flow reading is 1.46 Kg/s. (I'm not sure if the Daniel's flow calculator that I have is a licensed version.)

Given these facts, is there a reason to believe that Mark V's FQG may be wrong and needs some change of constants?

Thanks.