Injection Valve Symbols; Pump And Pump Flow Symbols - HACH LANGE QuikChem 8500 2 Serie Manual De Operaciones

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Figure 2 Mixing coil symbol

Injection valve symbols

Refer to
Figure
3. The injection valve is on the left side of every channel of the system unit. The
numbers around the hexagon show the six ports on the valve. The zig-zag or the coil symbols show
the sample loops. The sample loop tubing is connected between ports 1 and 4. The length of this
tubing is shown on the manifold diagram. Refer to the QuikChem method. The lines that come out of
the hexagon are the Teflon tubing connected to the valve ports.
Figure 3 Injection valve symbols
1 Primary

Pump and pump flow symbols

Figure 4
shows the reagent pump. The top arrow shows the pump flow direction. The line below this
refers to the rinse water line attached to the wash reservoir in the sampler. The wash line is
connected to the bottom nipple of the wash reservoir.
6 English
2 Secondary

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