17
8.0 Pressure fill chamber
Under certain conditions, when barrier fluids other than water are used, a pressure
chamber can be fabricated from readily available fittings that allow the barrier fluid to be
fed under pressure to the inlet of the system. Users may wish to fabricate a device
based upon this sketch which will aid in the setup of the pressure-based system.
Pressure inlet
Upper valve
Fluid chamber
Lower valve
Fluid outlet, to
reagent head
Figure 9 – optional fill chamber