SP Scientific Freezemobile Series, Operator'S Manual, Page: 28 / 54

Basic Operation VirTis Freezemobile 25L and 35L
18 Rev 005, 02/12
© SP Scientific 2012
Quickseal Valves
Quickseal valves are used in many methods of drying. They permit the attachment of
flasks for
in vitro
freeze-drying. They are also used to break vacuum after a cycle
completes. Quickseal valves operate as follows:
Note: Quickseal valves are an integral part of the freeze-drying process and must be
maintained as such. For information regarding upkeep and service of Quickseal valves, see
Chapter 6: General Maintenance.