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-   -   10" banjo burner on NG with gas coontrol valve and a pilot light ? (http://www.homebrewtalk.com/f11/10-banjo-burner-ng-gas-coontrol-valve-pilot-light-292346/)

brewman ! 01-06-2012 04:47 PM

10" banjo burner on NG with gas coontrol valve and a pilot light ?
I want to run a 10 inch banjo burner like this:


on natural gas using a gas control valve and a pilot light.

Has anyone done it ?

This guy has...
Not many details though.

OneHoppyGuy 01-06-2012 05:01 PM

It's been done.
You need to change out the orifice (the brass fitting in the photo) to one designed for NG (larger hole).
Your pilot orifice needs to be sized for NG as well.
Other than that, it's identical.

brewman ! 01-06-2012 05:12 PM

Any quick links to inexpensive gas control valves that work well ?

I don't think the guy in the youtube vid has any sensor on his pilot light. He is just using a regular solenoid valve to turn the gas on and off and hoping that the pilot is there.

That seems pretty risky to me... I've blown out burners with a bad boil over... I'd want the gas to not start if the pilot is gone.

Furthermore, I might brew outside from time to time. Wind might blow out the pilot.

OneHoppyGuy 01-06-2012 05:20 PM

Here is an all-in-one gas valve that will do what you're looking for.
We won't install standing pilot or simple solenoid gas systems on our stand for those very reasons. Dead home brewers aren't much fun.

brewman ! 01-06-2012 05:26 PM

One Hoppy: You have very nice brewstands ! Thanks for sharing your expertise here.

That control valve is an expensive little beastie. Anything less expensive ?

OneHoppyGuy 01-06-2012 06:45 PM

Thank you!

Insert maniacal laugh... unfortunately Gas Valve are expensive when you get into the 'right' way of doing things. By the time you buy a less expensive valve and the others parts separately, it costs about the same. Smart Valves take the headache out of it.

brewman ! 01-06-2012 09:35 PM

Here is a Honeywell universal gas valve that would appear to work just as well.

- controlled by 24VAC
- takes a common thermocouple
- has an outlet for the pilot light
- 1/2" x 1/2" inlet/ outlet.
- 130,000 BTU

$69 with a 24 inch thermocouple

Honeywell product web page. The installation guide is at the bottom.

Applicable related documents

The difference between the 8500 and the 9500 you listed is that the 9500 is capable of lighting its own pilot light. ie Direct Hot Surface Ignition.
The 8500 works with a standing pilot light.

I'd rather manual light mine. Less to go wrong. The pilot assembly for the 9500 is also more expensive.

I'll need a 24VAC transformer and some relays to control it from the computer, but I would have needed that with any valve.

I'm ordering.

OneHoppyGuy 01-06-2012 10:02 PM

That will work, you had stated earlier you didn't want a standing pilot.
Amazon.com: ELECTRONIC PUSH BUTTON IGNITOR: Home Improvement are a nice add-on and inexpensive. Beats having to reach underneath with a lighter.

brewman ! 01-06-2012 10:03 PM

I'm also pulling the trigger on this PID controller.

Amazon.com: Dual Digital Display PID Temperature Controller. Great for Sous vide: Industrial & Scientific

$38 each. They have 2 outputs, one of which will directly drive the gas valve.

They take a wide range of temp sensor inputs. Almost any type of temp sensor you can think of.

And they SELF TUNE, easily. I think that would be very handy for my system because the brewing volumes will go up and down, ambient temp will change, etc.

On the mash tun, one could get the pump flowing, set the burner valve for a nice flame and let the PID controller learn for a few minutes and then let it take over.

Plus I don't have to write any software to make this all work.

OneHoppyGuy 01-06-2012 10:07 PM

Very nice!
Use an RTD, they're slightly more expensive but more accurate.

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