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Old 05-11-2012, 03:39 PM   #11
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My Attempt at diagram:

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Old 06-01-2012, 10:03 PM   #12
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What actuated valves are you all using? I am looking at doing a similar setup to some of these and am trying to source decent 3 way, stainless, actuated ball valves at a reasonable cost (<$100). The only ones I seem to be able to find are these:
http://www.oscsys.com/3-Way-Motorized-Ball-Valve.html

I am not particularly wild about this choice because the threads are BSP and the voltage is 12V. I would much prefer NPT and 24V. I doubt there is anything affordable out there but my ideal valve would be a 1/2" actuated sanitary ball valve. Know of anything?

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Old 06-01-2012, 10:25 PM   #13
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Nope that is likely the best deal on 3-ways. I checked into them from the company I got my 2-ways from and they do not make SS versions. The KLD brand ones OSCSYS sells are quality. Plus I doubt you would notice much a difference from BSP and NPT if using silicone tape.

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Old 06-01-2012, 11:33 PM   #14
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ok Kladue... there's so much stuff there, where is the 'one touch'

Seen this before. Simply incredible!

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Old 06-02-2012, 12:04 AM   #15
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Once the malt is in the hopper, hop bags are hung, fermenter connected, you hit autorun icon on touch screen and walk away. It is the automated version of the original flash boiler brewing system, and was designed to let me do other brewery chores while it was doing the brewing. The only items that are not shelf items are the flash boiler fittings (swagelok cap and cross welded together and drilled), and the screen in the steam into wort diffuser.

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Old 06-02-2012, 04:45 PM   #16
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OK.KLD valves it is then. Do you really think you can get away with NPT male on BSP female? For some reason, I kind of doubt it... I'm going to try to source some BSPxSanitary fittings. BTW, since this is more of a schematic thread, here is my schematic. Boxes represent digital outputs/inputs (DO/DI) or analog outputs/inputs (AO/AI). Box w/ circle leading to burner represents Honeywell furnace valve...

Before I commence with purchasing... feedback would be greatly appreciated!

Kladue, I know you seem to be the expert on the Honeywell gas valve stuff... Does what I have look reasonable. From the propane, the first regulator should drop the pressure down to 10psi and the second should drop down to the low pressure (1/2 psi). From there the gas line branches 3 ways... Each path has a Honeywell VR8200 as well as a manual control valve. The burners are 23 tip jet burners. Any comments would be greatly appreciated.

Thanks!

process_diagram_3.jpg  
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Old 06-02-2012, 04:46 PM   #17
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Oh a couple more clarifying comments:
-valves w/ box and "M" are motorized, valves w/ out are manual.
-box after water supply "from hose" is plate heat exchanger and inlet/outlet are opposite corners.

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Old 06-02-2012, 05:45 PM   #18
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Ok, have you checked with brewers hardware? they might be able to weld up a 1/2" BSP pipe nipple into a tri-clover flange to make it work. The gas diagram looks right, but I would strongly advise against using jet burners, use the 10" banjo burners and save the grief of trying to make the jet burners work. Buy 10" (BG-14)for HLT and BK, and a 6" (BG-12) for the mash tun, and source the low pressure jets from One Hoppy Guy. This has proven to be the best setup for low pressure propane around, jet burners have not worked all that well because of the design and construction flaws, and most have gone on to the banjo burners.

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Old 06-02-2012, 05:56 PM   #19
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I would agree with you on the NPT versus BSP issue except on 1/2" plumbing. For 1/2" size, the threads match up very well. There are many people using them without issue. These are not high pressure systems.

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Old 06-02-2012, 06:07 PM   #20
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1/2" NPT will go about 3/4-1 turn into a BSP threaded fitting and get tight because thread pitch is different, better to get the correct threads than force it and have it gall up and ruin both the male and female threads. Working with internationally manufactured devices I am quite familiar with what works and what does not when it comes to threaded connections. If you can not get a custom fitting then an adapter from BSPT to NPT will solve the problem.

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