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Brews & Views Bulletin Board Service * Brews and Views Archive 2003 * December 9, 2003 * Sanitizing outlet valve on brewpot < Previous Next >

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Thomas S Whithead (67.250.103.33)
Posted on Friday, November 21, 2003 - 06:54 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I have been considering the purchase of a 15 gallon keg to be used as a brew pot. Currently, I use an immersion chiller and transfer cool wort out of a 7.5 gallon pot via an autosiphon. I would like to stay with an immersion chiller vs. swithching to a counterflow chiller, but want the ease of transferring cooled wort through a valve rather than an autosiphon. My concern is this: how would I sanitize the valve? Is the heat generated during a 60-90 minute boil sufficient enough to kill off all the nasties? Or are additional steps necessary? Thanks.
 

Brandon Dachel (63.238.222.190)
Posted on Friday, November 21, 2003 - 01:25 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

If you are talking about a valve on the side of the kettle then don't worry. it'll be fine.
 

Paul Hayslett (64.252.34.35)
Posted on Friday, November 21, 2003 - 03:16 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I might have to disagree with Brandon a little. My kettle has a valve with a hose barb sticking off it. At no time during a 90-min boil does the end of the barb get too hot to touch. I can't hold my finger on it, but I can touch it without getting burnt. It can't possibly be hot enough for proper sanitizing.

I'm sure the valve itself is fine -- I don't waste a moment's thought for that little space inside the ball. But I spray sanitizer all over and into the hose barb before attaching the hose and starting to transfer.
 

Bill Aimonetti (192.55.52.4)
Posted on Friday, November 21, 2003 - 04:06 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

A local club member had an infection in 2 batches using a converted keg with a 1/2" ss ball valve. This was after some 50 batches with no problem. The valve was on a 2" pipe nipple and never got very hot during the boil. After removing the valve and boiling it for about 20 minutes his next few batches have been fine. He also has an imersion chiller. On the other hand I have brewed well over 100 batches in a keg I have and never removed the valve or had any problems but it is a little closer to the keg and I recirculate about a gallon of boiling wort prior to chilling to heat up the valve.
 

Ken Anderson (24.55.255.75)
Posted on Friday, November 21, 2003 - 04:19 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Bill, you purge off a gallon of boiling wort into a pail and then pour it back into the boil? No HSA paranoia?
Ken
 

Mike Walker (209.86.24.60)
Posted on Friday, November 21, 2003 - 04:52 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I heat my sparge water in my converted keg kettle while I'm mashing. I figure 180(ish)F water through the valve combined with the boil time is sufficient and haven't had a problem. I also use some sanitizer and aluminum foil to keep it covered until it's time to run off.
 

danno (207.225.86.219)
Posted on Friday, November 21, 2003 - 05:04 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I'm with Bill. Half way through the boil I draw off some wort to sanitize the end of the spigot. HSA isn't a concern because there's no O2 in the wort and contact is very minimal. You can also refence my thread on "HSA in Bunk" to see how someof the Belgian breweries cool their wort and see HSA effects.

I do recommend that you clean the spigot and valve out wwell after each brew session to keep any heavy build up of gunk or mold.
 

bilge rat (12.29.175.2)
Posted on Friday, November 21, 2003 - 05:10 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

before the end of the boil...just recirculate some boiling wort through the valve and your pump/hoses/QD's for about five minutes. this will sanatize them all. I use a CFC...so i sanatize this separatley w/ iodifor.
 

Vance Barnes (69.15.38.210)
Posted on Friday, November 21, 2003 - 05:44 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Just took my valve off last night and cleaned with oxiclean. There was some sticky buildup in the outer threads and on the ball itself. Do that a couple time a year. I use a 90 barb and hose to drain into the kettle. I sanitize them with Star San while brewing and screw them on just prior to draining the kettle.
 

Bill Aimonetti (143.183.121.1)
Posted on Friday, November 21, 2003 - 06:47 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

KEN, The recirculation near the end of ther boil is done with care not to splash. I have a long stainless tube with swagelok fittings that goes to the bottom of the "pail" and I pour it back in with no splashing. I don't worry about HSA in homebrew but I take care not splash just in case.

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