Emerson Process Management GmbH & Co. OHG 1-1
1
Techn. Description
X-STREAM X2FD
Instruction Manual
HASXMDE-IM-EX
01/2015
Chapter 1
Technical Description
1.1 Overview
The new X-STREAM X2FD gas analyzer is
designed to be used in hazardous areas.
Its flameproof enclosure can be installed
at Zone 1, Zone 2 and Division 2 locations
without the need of any additional protective
measures, e.g. purge gas supply.
1.2 Design Features
Packaged into a cast aluminum enclosure,
the X-STREAM X2FD gas analyzer provides
all the measurement options available for ge-
neral purpose instruments, but for installation
at locations, where explosive gas atmosphere
might be present frequently (Zone 1) or occa-
sionally (Zone 2, Division 2).
The basic concept used to protect the sur-
rounding atmosphere from being ignited if an
internal failure results in high temperatures,
fl ames or even an explosion, is to keep the
explosion inside the enclosure and quench all
fl ames possibly passing through the fl ange.
To provide adequate explosion protection the
X-STREAM X2FD analyzer features:
•
a cast aluminum enclosure, designed to
• withstand an internal explosion,
• quench fl ames resulting from an internal
explosion (thus preventing a surroun-
ding explosive atmoshere from being
ignited).
• fl ame arrestors avoiding fl ame transmissi-
on from the gas paths into the surrounding
atmosphere.
• approved cable glands (option: conduits),
protecting the cable inlets and outlets.
Fig. 1-1: Frontal View
1: Enclosure base
2: Screws
3: Enclosure cover
4: Flange
5: Eyebolts for lifting
6: Hinges
1
2
3
5
4
6
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