Very simple one-way or check valve with adjustable cracking pressure. The two ports are currently 1/4 inch but I am also including the SolidWorks files in case you want to modify or remix it.
With the right spring, you can very easily blow in one end but not the other.
| chamber.sldprt | 249.5KB | |
| chamber.STL | 64.5KB | |
| check_valve.SLDPRT | 1.8MB | |
| innercap.sldprt | 126.0KB | |
| innercap.STL | 47.0KB | |
| nut.sldprt | 299.0KB | |
| nut.STL | 201.1KB | |
| outercap.sldprt | 122.5KB | |
| outercap.STL | 37.6KB | |
| plunger.sldprt | 681.5KB | |
| plunger.STL | 464.5KB |
