INSTALLATION
2
22
DR5200
www.drexelbrook.com
DR5200QS-LM, EDO#6-13-112 - Issue #3
2.8.4 Standpipes (stilling wells and bypass chambers)
Use a standpipe if:
•
There is highly conductive foam in the tank.
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The liquid is very turbulent or agitated.
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There are too many other objects in the tank.
•
The device is measuring a liquid (petro-chemicals) in a tank with a floating roof.
•
The device is installed in a horizontal cylindrical tank.
For more data, refer to the Handbook.
Figure 2-30: Installation recommendations for standpipes (stilling wells and bypass chambers)
1
A stilling well solution
2
A bypass chamber solution
3
Air circulation hole
4
Level of the liquid
CAUTION!
You can drill an air circulation hole if the stilling well is in a closed space (a metallic container).
This condition is necessary to obey TLPR standards. For more data, refer to the handbook.