The units used throughout this manual conform to the SI international system of units of measurement. General Description The FL20K has been developed for use in clean pumping systems to prevent the back-migration of rotary pump oil vapour into the systems; we particularly recommend that you use an FL20K with two-stage rotary pumps.
1. If necessary, however, you can mount the FL20K in any orientation, as the sorbent is securely retained in the basket. The mass of the FL20K will be adequately supported by the pipeline connections and you can connect either port to the rotary vacuum pump.
Regular regeneration by baking the trap or renewal of the sorbent will be necessary for rapid pump-down. If the FL20K has been open to atmosphere for a long period of time, it may be necessary to carry out ...
The time taken for this to occur depends on the frequency of use and the location of the trap in relation to the rotary pump. A typical charge life is six months, although Edwards recommends that you change the charge every three months as a routine maintenance procedure.
Edwards products, spares and accessories are available from Edwards companies around the world. The majority of these centres employ people who have undergone comprehensive Edwards training courses. Order spare parts and accessories from your nearest Edwards company or distributor. When you order, please state for each part required: Model and Item Number of your equipment ...
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