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Fly Sparging question
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Ben58



Joined: 14 Aug 2011
Posts: 409
Location: Hamilton, Ontario


PostLink    Posted: Tue Sep 20, 2016 10:37 pm    Post subject: Reply with quote


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rickysa wrote:
Quote:
These pumps don't have the power to blo(w)at up silicone hose usually


No, but house pressure damn sure does!! Very Happy

And, boy oh boy, that'll get your attention right quick Shocked


One big ass water balloon. Learned that one the hard way... Embarassed
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dp Brewing Company



Joined: 08 Jul 2013
Posts: 661
Location: Midwest

Drinking: Chocolate Taco, Raspberry Mango Cider, American X, Sandy Dunes

Working on: Nothing


PostLink    Posted: Wed Sep 21, 2016 11:59 am    Post subject: Reply with quote

These hoses are only rated for 10 psi. Your house pressure could be 2-3 times that.
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itsnotrequired



Joined: 15 Sep 2015
Posts: 177
Location: central wi


PostLink    Posted: Wed Sep 21, 2016 12:14 pm    Post subject: Reply with quote

glad to see i'm not the only one who has hooked up a silicone hose to house pressure! i believe the burst rating is a function of the wall thickness, i think i looked up later on that mine were rated for 18 psi. my house pressure is probably around 50 psi!
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kal
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Joined: 12 Dec 2010
Posts: 10725
Location: Ottawa, Canada

Drinking: German Lager, Electric Creamsicle, London Pride, Kolsch, Belgian IPA, Red IPA, Russian Imperial Stout, Black Butte Porter

Working on: Weizen, Belgian Quad, Wit, English Pub Ale, Electric Creamsicle


PostLink    Posted: Wed Sep 21, 2016 12:17 pm    Post subject: Reply with quote

Silicone tubing is soft and will blow up as youíve seen when subjected to house water pressures (often 50-80 PSI - where I live code stipulates it has to be below 80 PSI). Reinforced silicone hose can be used if you get into the habit of hooking the hose up to the faucet and accidentally leave a valve closed downstream. Link: http://amzn.to/2cmswLo

I donít bother myself as I never close the valve at the kettle end. As long as you donít close a downstream valve you wonít have issues.

There are some cheaper recommendations in the last paragraph of the water hose build instructions here too: http://www.theelectricbrewery.com/hoses?page=5

Kal

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rickysa



Joined: 13 Mar 2013
Posts: 136
Location: Southern Pines NC


PostLink    Posted: Wed Sep 21, 2016 3:47 pm    Post subject: Reply with quote

Quote:
glad to see i'm not the only one who has hooked up a silicone hose to house pressure


I'd like to say it only takes one time....but I'd be fibbing 'cause I did it twice! BOOOM! Mr. Green
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itsnotrequired



Joined: 15 Sep 2015
Posts: 177
Location: central wi


PostLink    Posted: Wed Sep 21, 2016 4:08 pm    Post subject: Reply with quote

my eruption was on a piece of silicone tubing from my sink faucet to my spray arm assembly. i had an existing laundry sink in my brew area that couldn't accept a proper spray arm assembly without significant modification. so i mounted the assembly on the wall above the sink, with tubing between the laundry sink faucet output and the inlet to the assembly. i originally used some non-reinforced vinyl tubing but after running some hot water through it, it became majorly deformed. i then tried silicone tubing since i figured a food-grade silicone would be 'better' than vinyl tubing. hooked everything up, turned on the water and got really low flow out of the spray assembly. i was checking connections when i noticed a portion of the silicone tubing rapidly expand. i was reaching for the laundry sink faucet when it burst.

i replaced the silicone tubing with reinforced vinyl tubing and all has been well since.
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Ben58



Joined: 14 Aug 2011
Posts: 409
Location: Hamilton, Ontario


PostLink    Posted: Wed Sep 21, 2016 10:24 pm    Post subject: Reply with quote

rickysa wrote:
Quote:
glad to see i'm not the only one who has hooked up a silicone hose to house pressure


I'd like to say it only takes one time....but I'd be fibbing 'cause I did it twice! BOOOM! Mr. Green

It only took me once that I forgot a downstream valve was closed.....
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