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Check Valve

01d83783fb06a37d8b47e1e6aba948e44fe1e79a8c.jpg Check Valve
01fbae8158b2b8c8351a121cc091e70b077f7b961e.jpg Check Valve
0175540cf5ac19eba1b39bf3027d1f42a66241138a.jpg Check Valve
01cf559204a43a769f88f222d13c0daa56ba6968fd.jpg Check Valve
Check_Valve_with_3_8ths_barbs.png Check Valve
979303321eaaa44dcf18ff98f875f722.png Check Valve
979303321eaaa44dcf18ff98f875f722.png Check Valve
4406141b27a720b119ef34308299aaf5.png Check Valve
6a14d346454ff4597f72f598314fe063.png Check Valve
Check_Valve_with_3_8ths_barbs.stl Check Valve
DownStream.stl Check Valve
Upstream.stl Check Valve
Plug.stl Check Valve
01d83783fb06a37d8b47e1e6aba948e44fe1e79a8c.jpg Check Valve
01fbae8158b2b8c8351a121cc091e70b077f7b961e.jpg Check Valve
0175540cf5ac19eba1b39bf3027d1f42a66241138a.jpg Check Valve
01cf559204a43a769f88f222d13c0daa56ba6968fd.jpg Check Valve
Check_Valve_with_3_8ths_barbs.png Check Valve
979303321eaaa44dcf18ff98f875f722.png Check Valve
979303321eaaa44dcf18ff98f875f722.png Check Valve
4406141b27a720b119ef34308299aaf5.png Check Valve
6a14d346454ff4597f72f598314fe063.png Check Valve
Check_Valve_with_3_8ths_barbs.stl Check Valve
DownStream.stl Check Valve
Upstream.stl Check Valve
Plug.stl Check Valve
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5 files Close
  • Check_Valve_w_3_eighths_barbs.f3d
  • Check_Valve_with_3_8ths_barbs.stl
  • DownStream.stl
  • Plug.stl
  • Upstream.stl

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Published to Thingiverse on:
Design number 835635
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3D printer file info

3D model description

This is a check valve designed for a 3/8" hose. I use two of them in combination with a squeeze bulb to move water (from the boat bilge to a bucket).

3D printing settings

I printed the parts using ABS and fine settings on CURA. The small, conical shaped plunger is inserted in the part with exterior threads. The point of the cone goes toward the small opening. The channels on the edge of the cone ride on ridges of the exterior-threaded piece. I use an acetone dampened cloth to wipe the end of the cone and the mating surface inside of the small piece with the exterior threads to polish them. These two surfaces provide the seal to ensure one-way flow.

With the cone inserted on the exterior-theaded piece, screw on the outer piece (with the arrow) over the piece with the exterior threads. Be sure to keep the arrow pointed up and the cone pointed down as you screw the two pieces together so that the plunger stays in the bottom fo the smaller piece.

Water will only flow one way, in the direction of the arrow (away from the point of the inner cone).

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