Two Column Selection
The valve can select either column 1 or column 2. The offline column is
sealed by connecting head to tail. Switching should be done when the flow
is off and the pressure is zero.
Figure 5 Column 1 Active
Figure 6 Column 2 Active
NOTE Before switching the valve, switch off the pump or set the flow to zero. Keeping the flow on
while the valve is switched can cause exceeding the maximum pressure. This will stop
method or sequence execution