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Thread: Draft beer dispenser
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17-12-2005, 10:52 PM #1
Draft beer dispenser
Hi guys , a friend of mine is trying to design a draft beer dispenser for a local beer producer . . . I was wondering if anyone have experince with such machines , and where the thermostat should be placed (in contact with the beer for example) and what kind of thermnostat to use , any suggestions . . . maybe websites for such kind of thermostats manufacturers
Thanks and regards
Engineering, sciences, math, physics and my brain will generate "not responding " soon
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18-12-2005, 01:22 AM #2
Re: Draft beer dispenser
Hi botrous,
I'm not sure about the thermostat, but I am sure the pitcher goes under the beer tap.
Sorry I could not be more helpful...
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18-12-2005, 12:27 PM #3
Re: Draft beer dispenser
G'day botrous
For a beer cooler you can use an ice bank, which uses an ice bank t/stat which turns the refrigeration off when the ice bank contacts the thermostat bulb.The beer cooling lines are usually submerged in the storage tank along with the ice bank.
Alternatively you could use a glycol system which can use a standard type of t/stat (because there is no ice bank).Works similar to ice bank. I have seen several with carel controllers. Some times the glycol is pumped from the machine to the dispenser head cooling the beer along the way.
Or you could use the "Antique system" That is still used in many pubs in Australia.
"Temprites" are flooded evaporators with a low side float and an Evaporator pressure regulator known as a 750 valve which maintains a constant pressure in the evap.The beer lines sit in the liquid refrigerant.If you set the 750 valve to maintain a evaporation temp of about1 degree c your beer will be very close to that temperature.
www.actrol.com.au/ProductLookup.nsf/0/15F393ED10645FAFCA256C38000D11B2/$FILE/PAGE_93.HTM
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18-12-2005, 05:17 PM #4
Re: Draft beer dispenser
US Iceman and Temprite thank you for your replies . . .
My friend saya that the beer should attend the tempreture of -4*C , the evaporator will be in the beer tank. . . so the thermostat bulb should be in contact with the beer ????
regardsEngineering, sciences, math, physics and my brain will generate "not responding " soon
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18-12-2005, 05:20 PM #5
Re: Draft beer dispenser
I was thinking of , does a symple vapor bulb thermostat works ? if the bulb contacts the beer , and the temp is setted to -4 ? what do you think , does that work ???
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18-12-2005, 05:57 PM #6
Re: Draft beer dispenser
Originally Posted by botrouschill out it's only a fridge
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18-12-2005, 08:13 PM #7
Re: Draft beer dispenser
Won't the beer freeze at -4 deg. C?
So ? will a regular frifge thermostat works ??Engineering, sciences, math, physics and my brain will generate "not responding " soon
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18-12-2005, 08:37 PM #8
Re: Draft beer dispenser
All the systems I know of control the temp of the cooling medium.
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18-12-2005, 09:22 PM #9
Re: Draft beer dispenser
hi botrous, how are you intending to dispense the beer, if it is lager, you need co2or 50/50,60/40 mixed gas in order to maintain the correct carbonation level in the beer, if i can find the file for under counter install, i will post, cheers leffe
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18-12-2005, 10:05 PM #10
Re: Draft beer dispenser
Leffe blonde , thanks for your reply , I'll be glad if you can post the file or send it to me via email :
send2pierre@hotmail.com
All the systems I know of control the temp of the cooling medium.Engineering, sciences, math, physics and my brain will generate "not responding " soon
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18-12-2005, 10:50 PM #11
Re: Draft beer dispenser
Botrous,
Most of the beer super chiller systems over here that I have seen have been set at -2 degrees c.. It also depends on if your going to serve full strength of low strength beer out of the tap... I was talking to a brewery rep the other day and he told me light beer freezes at about -2.5 degrees c while full strength is a little lower..... If you are going to use a glycol system make sure the water glycol mix is correct around 30 percent
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18-12-2005, 11:23 PM #12
Re: Draft beer dispenser
Botrous,
Most of the beer super chiller systems over here that I have seen have been set at -2 degrees c.. It also depends on if your going to serve full strength of low strength beer out of the tap... I was talking to a brewery rep the other day and he told me light beer freezes at about -2.5 degrees c while full strength is a little lower..... If you are going to use a glycol system make sure the water glycol mix is correct around 30 percent
I've been drinking heiniken -4*c for a long timeLast edited by botrous; 18-12-2005 at 11:28 PM.
Engineering, sciences, math, physics and my brain will generate "not responding " soon
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19-12-2005, 06:16 PM #13
Re: Draft beer dispenser
I've been drinking heiniken -4*c for a long time
I find the colder the drink the more you cant taste it. Always prefer a beer at 5.3 deg c.
ChillinIF AT FIRST YOU DON`T SUCCEED.
DESTROY ALL EVIDENCE THAT YOU TRIED!
and go get a cuppa
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19-12-2005, 09:42 PM #14
Re: Draft beer dispenser
I find the colder the drink the more you cant taste it. Always prefer a beer at 5.3 deg c
Try it subzero -2*c or double subzero -4*c and tell me what you think
Cheeeers and regardsEngineering, sciences, math, physics and my brain will generate "not responding " soon
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23-01-2006, 10:54 PM #15
Re: Draft beer dispenser
hi
got some good tips for you, the keg of draught beer should be kept at no more than 7C if it is a live culture beer, the rest is so loaded with preserveatives that you can store all the way up to 10C. easiest way is with a domestic evaperator plate in a bar/ undercounter type domestic fridge with a small fan to circulate air around the keg, using a beverage type thermostat, that way you can control the temp of the beer, you also get less freezing up of the valve on the keg, couple the outlet of the beer to a flash cooler with an ice bank, at the tap or near to it, but not forgetting to insulate the pipe with the beer feed from the keg, if you can get a pump to pump small quantities of the chilled water along the inside of the insulated pipingit works even better
we got alot of those systems running here if you need photos email me
andre
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