Chapter 2: Prerequisites
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5
optional drying train removal traps. The two valves on the transfer chamber
are used for gas inlet and vacuum outlet lines. The transfer chamber lines can
be connected together with the main chamber gas inlet and vacuum outlet
lines to simplify gas and vacuum connections to both chambers. Illustrations
for all gas, vacuum, and recirculating drying trains are shown in Figures 3-5
through 3-10 in Chapter 3.
All valves utilize 3/8" (9.5mm) compression fittings or 3/8" (9.5mm) hose
barbs for soft tubing. Both styles are offered for your convenience.
Accessory gas and vacuum tubing kits are described in Chapter 7. Should
you require automatic chamber pressure controls, see Chapter 3 for details on
the accessory Pressure Controller and Chapter 7 for ordering information.
The Pressure Controller automatically monitors and controls pressures in
both the main chamber and transfer chamber; it also automates the operation
of purging and filling each chamber (gas outlet and gas inlet) up to 199
cycles. Consult your Safety Officer should you require ventilation and/or
filtration of the vacuum pump exhaust. Filtered exhaust (0.2 micron) and
contaminate removal traps are available for the vacuum pump (see Chapter
7). See Chapter 3 for typical installation of vacuum outlet and inert gas inlet
lines and Appendix H for plumbing diagrams.
See Chapter 7 to order any valves and/or pressure/vacuum gauges for the
Precise Basic Glove Box as these features have been omitted to enable the
end user customization.
Space Requirements
The dimensions are shown in
Appendix B: Dimensions
. Adequate space to
the right of the transfer chamber is required for loading and unloading.
