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Schambeck - Model 7125 -Manual Sample Injector
Model 7125 is a six-port sample injection valve in which the sample is loaded through a built-in needle port in the front of the valve. Figure 1 shows the flow diagram of the valve. The circles represent the ports in the valve stator. The dark and white grooves represent the connecting passages in the rotor seal. The large circle represents the needle port.
Figure 1 shows the flow diagram of the valve. The circles represent the ports in the valve stator. The dark and white grooves represent the connecting passages in the rotor seal. The large circle represents the needle port.
The sample loop is loaded through the needle port in the LOAD position. Rotation of the knob 60° switches the valve from LOAD to INJECT. In INJECT the mobile phase flows through the loop.