Brass quick disconnect for hoses

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Permalink Reply by Mike Neilson on January 9, 2010 at 11:31am

Yip but im using 12mm lines chich are to big, if anything I would switch to 10mm and use barbed quick realease, and make them all 'Neta" made ones. The screw type ones havnt failed (yet) but you can see the angle of the hoses so there must be pressure on them and imagine them spraying 100deg wort all over you.

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Permalink Reply by Horace on January 9, 2010 at 7:24pm

I had the same problem with my hoses. The thread on those is quite short and is hard to get done up over a 12mm id hose, I guess being designed for garden hose which has a thinner wall. 10 mm worked quite well but the backnut was prone to loosening. I think the Neta ones have a longer thread and hold a lot better, but were considerably more expensive

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Permalink Reply by James P on January 9, 2010 at 12:22pm

Thanks Mike, so you hoses are 12mm OD (like 1/2")?

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Permalink Reply by Mike Neilson on January 9, 2010 at 12:31pm

Yip.

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Permalink Reply by denimglen on January 9, 2010 at 12:29pm

I'm using some nickel plated steel ones from HCD flow tech. But they're pretty shit and I'm looking to change them. I haven't had any real problems with them but they're getting some rust on them, must be crappy plating on them or something.

Brass garden hose fittings seem the go but I don't think they'll fit over my silicon hose, and I don't trust the screw clamp thingy on them - had them fail on the garden hoses too many times.

Stainless ones are pretty expensive last time I checked, like >$30 for a male female set. To fit the whole rig with them would be a wallet killer, but at least they'd last.

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Permalink Reply by James P on January 9, 2010 at 12:42pm

What size if your hose DG?

I was thinking of using polysulfone disconnect components like these:

Disconnects

US $13 each + hose tails etc. They are rated up to 137C, and although they do not specifically say food grade they are resistant to nearly everything!

Probably overkill.

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Permalink Reply by denimglen on January 9, 2010 at 1:02pm

I believe they are foodgrade, Morebeer sells them, and I think they have them as an option on their sculptures.

That price isn't too bad actually. Where ever I saw them last, probably MoreBeer, they were similar in price to SS.

I'm using the thick walled silicone. 12.7mm ID x 20mm OD.

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Permalink Reply by Chris Mills on March 10, 2011 at 5:07pm

Where did you source your thick-walled silicone hose from?

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Permalink Reply by denimglen on March 10, 2011 at 6:00pm

craftbrewer.com.au.

 

HCD Flow Tech over here have it also, might work out cheaper locally if you're not ordering anything else from Craftbrewer.

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Permalink Reply by Chris Mills on March 10, 2011 at 5:12pm

http://store.proflowdynamics.com/modules/store/-Couplings-for-Homeb...

Priced in USD and they were very willing to ship to NZ. I had to negotiate it all over email and paid with PayPal as their web site did not like my NZ CC.

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Permalink Reply by Horace on March 10, 2011 at 6:21pm

You could try somewhere that sells Skellerup products. i.e. RD1 or Farmlands or similar.

 

10mm id single air tube http://www.skellerup.co.nz/catalogue/dairy-nz/silicone-tubing obviously made to handle hot caustic washes and has to be food grade for the dairy industry

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Permalink Reply by vdog on March 11, 2011 at 8:50am

Found it here - quite a lot cheaper than the $100/m I remember HCD asking for when I last looked!

http://www.crt.co.nz/en/Shopping/Products/?pcid=DARWMT

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