Pressure Relief Valve

The forum for discussing all kinds of brewing paraphernalia.
Post Reply
Evanvine

Pressure Relief Valve

Post by Evanvine » Tue Nov 10, 2009 12:03 pm

I wish to vent my pressure keg at about 4psi.
Is there any type of PRV anywhere that will allow me to do this?

mbt22

Re: Pressure Relief Valve

Post by mbt22 » Tue Nov 10, 2009 1:06 pm

You could use a backpressure regulator http://www.swagelok.com/regulators/back ... lators.htm (try Parker or Tescom as other manufacturers), which might be a bit expensive if you can't find something on ebay.

A cheap and ugly alternative would be a u-tube water bubbler (like a big s-shaped airlock) made from tubing with 2.7m of water above the bottom of the tube. Maybe a 3m vertical piece of drainpipe filled with water, then run a tube from the keg gas in port to the bottom of the pipe.

In either case, I'd leave the original PRV in place to allow manual venting and stop you from damaging the keg.

Matt

Evanvine

Re: Pressure Relief Valve

Post by Evanvine » Tue Nov 10, 2009 11:47 pm

Thanks Matt
Thats given me food for thought, I'm also considering modifying an old pressure cooker dead weight valve.

Post Reply