Rubber/silicone stopper/bung

Frodv · Nov 16, 2017

Hi, does anyone know where I can get som stoppers for bottles? I'm trying to build a bottlefiller and need something that fits inside the bottleneck and make a tight seal but dont't get stuck. I need a stopper/bung that are tapered, and has a hole in the middle. I've tried the usual stoppers but they get stuck in the bottle so I need something with a bit flatter angle than the standard stoppers.

Anyone knows?

Something like this picture. 14-15mm diameter at the narrow end.

auburntsts · Nov 16, 2017

Have you tried a #2 drilled stopper? You shouldn't have to push it that far down into the bottle to make the seal for bottling. Here's an example from Northern Brewer: https://www.northernbrewer.com/no-2-drilled-stopper-5-pack

Frodv · Nov 16, 2017

auburntsts said:
Have you tried a #2 drilled stopper? You shouldn't have to push it that far down into the bottle to make the seal for bottling. Here's an example from Northern Brewer: https://www.northernbrewer.com/no-2-drilled-stopper-5-pack

That is the ones I mentioned that I've tried. They don't have a flat enough angle, and get stuck in the bottle.

auburntsts · Nov 16, 2017

Frodv said:
That is the ones I mentioned that I've tried. They don't have a flat enough angle, and get stuck in the bottle.

How far are you pushing it into the bottle? It only needs to go in a little, not near as far as if you were trying to make friction fit so that wouldn't back out without effort. There a number of youtube videos showing the process.

Frodv · Nov 16, 2017

auburntsts said:
How far are you pushing it into the bottle? It only needs to go in a little, not near as far as if you were trying to make friction fit so that wouldn't back out without effort. There a number of youtube videos showing the process.

It's an automated filler that uses pneumatics. The problem is that the bottle gets lifted when the cylinder retracts with these stoppers.