Siemens OCM III - Page 54

SIMPLE EXPONENTIAL DEVICES, P3 = 0
KHAFAGI VENTURI
For rated flows under free flow conditions, the head is measured 15 cm (6") upstream
from the beginning of the converging section.
* The transducer must be above the maximum head by at least the
blanking value, P47.
15 cm (6")
plan
0
head
front
side
transducer *
7ML19985AB01 OCM III 55