Northern Brewer Polysulfone QD's

PitsPale · Aug 11, 2009

Does anyone use a male (or female, I guess) polysulfone disconnect (as sold by NB) on a brew kettle ball-valve?

Any issues with heat from the burner?

I had a brass QD failure and am searching for a different solution.

Andy

olllllo · Aug 11, 2009

I have no issues with the heat. A little foil might be an inexpensive insurance policy.

PitsPale · Aug 11, 2009

Yeah, I was thinking a wet dishtowel or rag wrapped around it.

foil might be easier/better.

Boerderij_Kabouter · Aug 11, 2009

Stainless tri-clover fittings. That is an option to consider. I source mine from KLG stainless on Ebay.

Orangevango · Aug 11, 2009

foil man, foil.

PitsPale · Aug 11, 2009

I mean, I figure if the rubber coated handle on the ball valve is okay, the fitting, which is designed to handle hot liquid, should be too, right?

olllllo · Aug 11, 2009

Yea these are safe for hot liquids.

If you use a big burner where the flames lick up the sides, then you might get into a situation where the QDs get soft and may be damaged.

But really, if you're running that inefficiently or you are not shielding the flames from drafts, then you should wrap 'em up in foil and you deserve to have melty QDs for being so careless.

MSUConrad · Aug 11, 2009

It depends on your setup. I built a Brutus 10 (with wood instead of metal). The "channel" that is created forces heat over the rubber sleave on the ball valve, and melted that sucker right off!

I soldered up an extension tube and put my QD further away from the burner for insurance, and easy access.

Northern Brewer Polysulfone QD's

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