ABB EL3000 Series Manual page 92

92
Maximum length of the sample gas line
Provide for sample gas line purging
EL3000 CONTINUOUS GAS ANALYZERS
Connection of the sample gas line
Sample gas line (heated or unheated, PTFE or stainless steel tube with
1
inside/outside diameter 4/6 mm)
Connection either with
O-ring 6.02 x 2.62
2
Socket
3
O-ring 12.42 x 1.78
4
or with
5 Male fitting G¼"
or with
6 Socket
Tapered ring
7
Compression fitting
8
Exhaust gas tube for 19-inch housing
9
Exhaust gas tube for wall-mount housing
10
The maximum length of the unheated sample gas line (inside diameter
4 mm) is 50 m.
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.
| CI/EL3000-EN REV. B