Integrated flangeless trap LI-800 is installed inside the diffusion pump instead of the standard oil deflector, without increasing the overall dimensions of the diffusion pump.
The LI-800 trap performs the function of an oil deflector, is placed instead of a standard oil deflector in pumps, has an additional number of cooled screens for trapping oil backflow vapours (more than the MU trap), covers the entire area of the inlet high-vacuum flange.
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