The file 'Check Valve For Gravity Pump 3D Printer Model' is (STL) file type, size is 1015.0KB.
This is a check valve with a spring to use in a gravity pump, like in this video:
https://www.youtube.com/watch?v=_II8img-Nas
You will need just a M3 screw, big enough for your spring, one big washer to hold down with tension the spring, three M3 nuts like the first cross section image.
Parte_I.STL | 1004.6KB | |
Parte_II.STL | 1.2MB | |
Vedação_Cônica.STL | 65.9KB |