5.6. Design and functions of solenoid valve manifold
5.6.1 MVB-S
Solenoid valves
screwed in manifold
Solenoid valve
manifold (to analyzer)
Sample gas inlets
The standard solenoid valve block of 1.4305 is used for stream switching up to 10 different streams. It
has rapid switching solenoid valves, which have a very long life time – tested over 500 million switch-
ing operations. Due to the small design the solenoid valve block can be installed in an 19“-rack directly
behind the analyzer.
The connections for the individual sample gases and the calibration gases are made by flange adapt-
ers, which have integrated sinter metal filters. In addition the sample gas inlet can be equipped with a
continuously bypass to minimize the total response time. The valve block has a common tubule which
is connected to the analyzer. The other side of the tubule has a blind flange. Alternatively at low con-
centrations this flange will be changed by a capillary for a very low split flow.
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