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6.2.3 Piping of level transmitter (type
: FKE)
Check of high/low pressure sides of transmitter
The detecting unit of the level transmitter bears symbols H and L which represent high and low
pressure sides, respectively.
The high pressure side is always equipped with
fl
ange and identi
fi
ed with H letter on the label.
The low pressure side is equipped with a
fi
tting process and a drain plug.
Upon request, the low pressure can be connect with a seal (or remote seal).
Seal on mounting flange face
When mounting the
fl
ange on the high pressure side, a gasket should be inserted as follows.
L
H
Gasket
Transmitter flange
Process side flange
Minimum internal diameter of non-projection type gasket :
Flange size
Ø diaphragm seal (mm)
DN80 / 3"
Stainless steel : 73
special material : 89
DN100 / 3"
Stainless steel : 96
special material : 89
For others
fl
anges, consult Fuji Electric France.
The seal must be chosen according type
fl
ange mounted on the transmitter.
The internal diameter must be greater or equal the diaphragm seal to not
press it and effect the measure.
When measuring a highly corrosive process
fl
uid, be carreful about cor-
rosion that may occur if the
fl
uid leaks past wetted parts.
ATTENTION