DN40 Gate
thingiverse
Made a DN40 gate to be able to close seperate outlets of my vacuum which is integrated under my wokbench. It can be used with an original DN40 sealing. The parts DN40_flange and slider_holder have to be glued together I made the slider_holder a little bit higher than the slider itself. Depending on the accuracy of your printer you have to sand down the height of the slider_holder a little bit to get a perfect fit for the slider.
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