5.6.1 MVB-K
Solenoid valves
screwed in manifold
Solenoid valve
manifold (to analyzer)
Sample gas inlets
The standard solenoid valve block compact is a further development of the standard block. Due to the
new design the solenoid valves are mounted on opposite sides of the block. This reduces the length of
the block by half. The solenoid valve block can now be equipped with up to 20 gas inlets. New is also
the continuously purging of the solenoid valves. These rapid switching solenoid valves have a very
long life time – tested over 500 million switching operations. The connections for the individual sample
gases and the calibration gases are made by flange adapters, which have integrated sinter metal fil-
ters. 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 concentrations this flange will be changed by
a capillary for a very low split flow.
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