KROHNE optiplex 1300 c, Руководство пользователя

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Handbook OPTIFLEX 1300 C
23 OPTIFLEX 1300 C
1.3.2 Tanks with concrete roofs
Concrete roof thickness
Install the device according to this rule;
Ød => t
where Ød is hole diameter and t is concrete thickness.
If this rule cannot be obeyed, install the device in a recessed mounting as shown below on the right.
1.3.3 Stilling wells
Applications
Use a stilling well for these applications:
•
where instructions for normal tank installation, such as the distance from the tank wall or tank internals,
cannot be followed
•
tanks with floating roofs for petro-chemical applications
•
products with foam
•
tanks with turbulent processes