KROHNE OPTIWAVE 7300C EN - Manual (Page 26)

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INSTALLATION
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OPTIWAVE 7300 C
www.krohne.com 03/2014 - 4000172405 - HB OPTIWAVE 7300 R07 en
Stilling wells - general notes
Installation in tanks containing one liquid and foam
• Drill an air circulation hole (max. Ø10 mm / 0.4¨) in the stilling well above the maximum level.
• Remove the burr from the hole.
Installation in tanks containing one liquid or more without foam
• Drill an air circulation hole (max. Ø10 mm / 0.4¨) in the stilling well above the maximum level.
• Drill 1 or more liquid circulation holes in the stilling well (if there is more than 1 liquid in the
tank).
i These holes help the liquid to move freely between the stilling well and the tank.
• Remove the burr from the hole.
Stilling wells: floating roofs
If the device must be installed on a tank with a floating roof, install it in a stilling well.
Figure 3-10: Floating roofs
1 Sediment
2 Support fixtures
3 Stilling well
4 Floating roof
5 Product
6 Tank