低压储罐填充器

Low pressure tank filler

2024-04-19 19:47:45

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Summary

Low pressure tank filler valve for stock tank, rain collector, garden pond, etc. Designed to fit in an outer shell of about 120mm of 50mm diameter PVC tube.

Print Settings

Printer:
Craftbot Pro Plus
Rafts:
No
Supports:
Yes
Resolution:
0.3mm for float, 0.1mm for the rest
Infill:
rectilinear, 2% for the float, 15% for the rest
Filament brand:
-
Filament color:
-
Filament material:
ASA/ABS
Notes:
0.4mm nozzle, 3 layer walls.

Post-Printing

Assembly

Requires a 8mm stainless/chrome ball (I salvaged from hamster bottle) and a ~6mm stainless washer. The washer needds to be seated for a better seal, I used a countersunk bolt with some grinding paste and a drill to make the valve seat. Do not apply any sealant grease, as it might collect debris and ruin the seal.

Dip the float in acetone for 1-2s or use acetone vapor to ensure water tightness.

The mass of the float determines the maximum opening pressure, I suggest to drill a hole to the top of the float, and fill it with water to make it ~120g, then cover the hole with a piece of tape. I tested this setup for up to about 2m water column.

Glue the washer to its place with some CA.

Apply PTFE tape to threads.