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Installation
FLOWSIC100 Flare · Addendum to Operating Instructions · 8025365/V1-0/2020-05 · © SICK Engineering GmbH
51
4.8.1.1
Calculating the wetted part length for cross-duct versions
Fig. 29
Formulas for calculation of the wetted part length wL for cross-duct versions
wLCrossDuct NozzleLength
2
GasketThickness
LengthBallValve WallThickness
sin
----------------------------------------
FittingAdjust
–
+
+
+
=
β [°] = Nominal nozzle installation angle
NozzleLength [mm] = Nozzle length D1 or D2; dimension on nozzle installation tool
GasketThickness [mm] = Dimension of gasket thickness
LengthBallValve [mm] = Length of ball valve, measure from gasket surface to gasket surface
WallThickness [mm] = Wall thickness of pipe
FittingAdjust [mm] = 1 mm Compensation when tightening the self-cutting ring fitting (self-cutting ring fitting
displaces the duct probe by 1 mm when tightened)
wLCrossDuct NozzleLength GasketThickness
WallThickness
sin
----------------------------------------
FittingAdjust
–
+
+
=
Installation without ball valve (non-retractable)
Installation with ball valve (retractable)
wLCrossDuct NozzleLength
2
GasketThickness
LengthBallValve WallThickness
75
sin
----------------------------------------
FittingAdjust
–
+
+
+
=
Example for 75°
wLCrossDuct NozzleLength GasketThickness
WallThickness
75
sin
----------------------------------------
FittingAdjust
–
+
+
=
Example for 75°