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Old 12-15-2011, 03:50 AM   #1
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Default BG12 Burner use in a Natural Gas System

Hi, thanks for your help in advance.

I am wondering if there is a special orifice is needed for use with the BG12 in a natural gas system. I would rather buy one off the shelf than drill one out. Does anyone know where I can find this online?

Also, if I am unsuccessful finding one of these off the shelf, what size do I have to drill into a normal orifice?

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Old 12-15-2011, 04:54 AM   #2
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Tejas Smokers has them. Look for the 1/8" NPT x (your desired threading) towards the bottom of the page.

Brass Fittings, Valves, Brass Nipples, Disposable Cylinder Adapter, Gas Orifice, Gas Manifold Parts

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Old 12-15-2011, 01:31 PM   #3
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Bump, anyone know the answer?

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Old 12-15-2011, 03:30 PM   #4
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Williams brewing has an orifice for the hurricane burner, maybe email and ask if they know if it would fit?

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Old 12-15-2011, 03:55 PM   #5
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They are not compatible, that is why I am curious if someone knows where to find one that does. The BG14 and the BG12 have different size threading. I see a bunch of folks out there using these BG12 burners, so there has to been an answer.

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Old 12-15-2011, 04:47 PM   #6
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The NG orifice used on the BG 14 is 1/8" /.125 / 3.175 mm

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Old 12-15-2011, 05:13 PM   #7
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Do you know the size of the BG12, several websites have conflicting sizes, and/or what model do you use in your bad ass two stands.

I have a buddy here in Germany who is trying to build a system that needs this.

Theoretically the drilling size in the orifice would be the same for both bg14 and bg 12 right even though they have different thread sizes, right? What is the size of the hole that needs to be drilled?

I also noticed that the some of the bg12 orifice are at a 90 degree while the bg14 are straight, does this make a difference?

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Old 12-15-2011, 05:39 PM   #8
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The BG12 has a thread size of 1/8 NPT
The pressure of NG in the U.S.A. may not be the same as in Germany. Also, there are a few states that have started using a higher pressure.
NG is very low pressure in CA and the fitting is more of a large hole than what I would consider a restrictive orifice.
The drill size here would be .125" / 3.175 mm

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Old 12-15-2011, 10:05 PM   #9
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Checkout this link. I want to try it when I get the time.
http://www.homebrewtalk.com/f51/6-lo...urners-227767/

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Old 12-15-2011, 10:44 PM   #10
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Much cheaper an easier to drill out the orifice to 1/8" as opposed to drilling and tapping cast iron. (BTW, the BG14 opening is 1/4" NPT)

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