Cyclone

**Slave** · 20th September 2020, 08:21 PM

Just to put another option out there, I was lucky enough to be going to the local transfer station and picked up a cardboard tube, 500mm in diameter with a 16 mm wall thickness. Made a top and bottom out of cheap ply, silicone on the bottom to seal it and foam tape and screws for the top, works great.

**dmorse** · 20th September 2020, 09:34 PM

Originally Posted by betchern0t

...The other thing people do is create a relief valve. .... One uses a compression spring on a bolt to hold the valve closure against the barrel ... into the barrel ...Hang it over the side of the barrel....

Cheers Paul

The relief valve will have about the same effect no matter where in the system it's located. As has been mentioned, putting an opening in the barrel will allow the barrel contents to be sucked out the top of the cyclone. The best place for a relief valve is the duct between the cyclone and the vac. No problem with air flow through the barrel with that location.

**mature one** · 21st September 2020, 07:36 AM

Not easy to get as they are over the regulation weight for OH&S may be able to get some from a friendly painter .

**Lappa** · 21st September 2020, 08:27 PM

Maybe Bushmiller could chime in and tell us the type of plastic buckets he has supplied. I got one from him a couple of years ago and use it on the cyclone. No problems what so ever re collapsing - one solid bucket!

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