Krahnen NEF CR 230 Vacuum - Clean Machines
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Krahnen NEF CR 230 Vacuum

The NEF model CR is designed to accommodate production of wet debris and fluids in cleanrooms of ISO Class 5.


The NEF model CR 230 has a convenient drop tank for rapid emptying of the dirt container. The standard model has 5 filter stages, which are due to the modular principle optional use. The first stage is a float switch, which prevents overfilling of the waste container. Filter stage 2 consists of a polyester with PTFE membrane filter to trap coarser particles. The third stage filter – activated carbon filter in an electrically conductive body made of PE – is required when gases and vapours to be trapped. The two fine filter (H14 / U15 99.999%) are even installed in front of and behind the electric motor. The filter prevents the dirt portions of the engine or the cooling air into the environment. The motor head can be separated easily and quickly by means of a Quick Connect system from the vacuum cleaner housing. The complete unit is easily disassembled and cleaned. Collecting tank, filter chamber, float switch and accessories are autoclavable.


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