Problems with gear pumps in short-distance evaporators
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I would like to ask the experts here: I am planning to build a laboratory-scale short-path evaporator. The feed material needs to go from normal pressure to a vacuum state, and the output material needs to move from a vacuum state back to normal pressure. Additionally, the pump required needs to have insulation. There are photos for reference; does anyone know where this type of pump is manufactured? It would be great if any manufacturers could get in touch with me; thank you!
Is there no nameplate or markings on the pump? What about random data?
Replying to the person above: The key label was torn off by someone else; otherwise there would have been no need to bother all of you experts. Thank you