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Emerson Process Management GmbH & Co. OHG
2-7
2
Installation
X-STREAM XEFD
Instruction Manual
HASXEDE-IM-EX
07/2017
2.4 Installation – Gas Connections
The number of gas connections and their
configuration varies according to the installed
options. All gas connectors are labelled and
can be found on a label inside the analyzer.
Should it be necessary to open the gas lines,
the gas connectors should be sealed with
PVC caps to prevent pollution by moisture,
dust, etc.
Fig. 2-3:
Labelling of gas connectors (example)
Pressure control valve
Flow sensor
Exhaust
Exhaust
Analyzer
Sample gas pump
Filter
Fig. 2-4:
Installation in bypass mode
The analyzer should be mounted close to the
sample gas source to minimize transporta-
tion time. A sample gas pump can be used to
reduce the response time; this requires that
the analyzer be operated in bypass mode or
fitted with a pressure control valve to protect
against excessive gas flow and pressure
(Fig. 2-4).
Note!
X-STREAM gas analyzers feature at maxi-
mum eight gas connectors. So, parallel tubing
is not possible for five channel configurations
(at least two out of five channels need to be
tubed in series)!