Endress+Hauser NXA820 - GBT Calculation Flow Chart

Calculations Tankvision
38 Endress+Hauser
8.2 GBT calculation flow chart
The GBT standard is the standard for China.
Main difference is the hydrostatic deformation of the tank not being part of the product TCT
but in a separate table. The VCF and density calculations are based on the same ASTM/IP
tables like the API calculations.
L00-NXA82xxx-16-00-00-xx-033
Product Temp
Ref. Density
FWL
Amb. Temp
Product Temp
Insulation Type
Steel Expa. coef
FRA Mass(G)
S&W
NWA
WCF
(Ref. Density - 1.1
WCF
(Ref. Density - 1.1
NSW/Product
Mass/Total
Mass
Obs. Density
Product Temp
Ref. Density
VSPAvailVol**
RemCap**
LEVEL
Water Density
at 4°C
TOV
VCF
GOV
NSV
Level
HyDC Vol.
FWV**
CTSh**
CSW**
Ref. Density
Sump/Pipe
Volume
+
+
-
-
Calculate Tank
shell correction**
S&W
Calculation**
«»Table 59 A.b.D
Ref. Density Calc.**
Calculate Gauge
Volume**
«»Table 60 A.B.D
Calculate VCF**
Calculate FWV**
Water TCT
Product TCT
VSP Table
FRA Volume