multi N/C 2100S Function and setup
23
Fig. 9 Different Fast connector designs
In addition, so-called Fingertight screw connections are used in the analyzer
multi N/C 2100S. These flangeless fittings consist of a conical nipple and a banjo bolt.
These hose connections seal purely by tightening the plastic banjo bolt finger-tight.
2 Banjo bolt
3 hose
Fig. 10 Fingertight screw connection
3.1.3 Combustion system
The combustion system is on the rear left side wall of the analyzer.
The combustion furnace is a resistor-heated vertical furnace for digestion temperatures
up to 950 °C. Optionally a combined combustion furnace for vertical and horizontal
operation can be installed (see user manual of the integrated solids module). This
option is not available for the multi N/C 2100S pharma model.
The combustion tube (reactor) consists of quartz glass. It is filled with catalyst and
auxiliary material. If the effectiveness of the catalyst decreases, the combustion tube has
to be filled again.
The furnace head is fitted to the top opening of the combustion tube. At the bottom end
the combustion tube is connected to the condensation coil via a fork clamp.
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