On Tue, 18 Nov 1997, John T. Blair wrote:
> > Sooo... anyone know where I can pick up a small pressure blasting gun?
>
> There's no such thing. A pressure blaster is usually a large heavy steel
> canister that stores the sand and is pressurized by the compressor. It's
> not just the gun as with paint spray guns.
I went and did some sandblasting at a place where you can rent a blast
cabinet, and blast by the hour. In addition to their siphon feed cabinet,
they also had a pressure blaster made from a 30" piece of 4" Schedule 40
ABS plumbing pipe. The top (loading end) had a cleanout adapter glued to
the end, which is an adapter with a screw-in pipe plug. It also had a
hose fitting in the side of the adapter to pressurize the pipe. The bottom
end (feed end) had a cap glued to the pipe, and a hose fitting for the
sand outlet. It worked quite well. It ran with 100 psi.
Martin Scarr
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