ABB EL3000 Series, Руководство пользователя

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92 EL3000 CONTINUOUS GAS ANALYZERS | CI/EL3000-EN REV. B
Connection of the sample gas line
1 Sample gas line (heated or unheated, PTFE or stainless steel tube with
inside/outside diameter 4/6 mm)
Connection either with
2
O-ring 6.02 x 2.62
3
Socket
4
O-ring 12.42 x 1.78
or with
5 Male fitting G¼”
or with
6
Socket
7
Tapered ring
8
Compression fitting
9 Exhaust gas tube for 19-inch housing
10
Exhaust gas tube for wall-mount housing
Maximum length of the sample gas line
The maximum length of the unheated sample gas line (inside diameter
4 mm) is 50 m.
Provide for sample gas line purging
Install a shut-off valve in the sample gas line (definitely recommended with
pressurized sample gas), in order to provide a means for purging the gas
line system by feeding in an inert gas, e.g. nitrogen, from the gas sampling
point.