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mistercameron 12-06-2012 04:21 AM

Propane plumbing help
 
I'm working out the plans for a single tier build and I have most of the propane plumbing figured out. The biggest question I have is about my particular regulator, which came as a Bayou Classic SP10. Keep in mind I'm trying to keep this budget tight so I can be wise with the money my wife is agreeing to let me spend on this hobby.

This is the actual part I have:
http://bayouclassicdepot.com/m5hpr_p..._regulator.htm
And the first part of the stand is going to be a 3/8" Tee so I can split off to each of the two burners.

#1: is 10PSI going to be enough to run two burners at once? So far I've been good with just one burner, so maybe this is a non-issue. My only thought was about mashing out the first batch sparge volume in the BK while warming water for the second batch.

#2: The orifice is built into the crimped swivel connection. My first thought is to just install a coupling between the orifice and the Tee (both 3/8). BUT, is it a problem that there is an orifice here and orifices downstream on the burners?

#2a: Am I just better off getting an adjustable regulator w/o the orifice, like this one? http://bayouclassicdepot.com/m5hpr1_..._regulator.htm (or an adjustable regulator?)



This is turning out to be a little bit trickier than I thought it would be. I've never dealt with propane plumbing before, so even figuring out the right combination of 1/4x3/8 fittings has been more work than I anticipated.

Thanks in advance for the help & insight!

jsmoon888 12-06-2012 12:25 PM

1 Attachment(s)
I bought the adjustable one and run it at 20 psi. I used 3/8 copper tubing for the propane lines.

mistercameron 12-06-2012 02:57 PM

I'm digging the orange stand and diamond plate! What do you have to protect the paint from the burner heat?

It's kind of hard to tell, but are you running the copper from the BK under the lower tier's top rail? My concern would be that heat from a burner might be a bit too high on the supply line.

And finally, are you using soldered fittings or compression (is compression even an option in propane)?

mrrshotshot 12-06-2012 03:39 PM

1 Attachment(s)
Quote:

Originally Posted by jsmoon888 (Post 4654815)
I bought the adjustable one and run it at 20 psi. I used 3/8 copper tubing for the propane lines.

Your stand and my stand should go on a date.

Attachment 87189

But in response to the OP it sounds like it shouldn't be a problem to go with what you are describing in either case. I would just make sure whatever you do should be spec'd out to the burners requirements. If it calls for a 20 psi regulator then use that.

mistercameron 12-06-2012 04:50 PM

Quote:

Originally Posted by mrrshotshot (Post 4655463)
Your stand and my stand should go on a date.

Attachment 87189

But in response to the OP it sounds like it shouldn't be a problem to go with what you are describing in either case. I would just make sure whatever you do should be spec'd out to the burners requirements. If it calls for a 20 psi regulator then use that.

Bayou Classic isn't quite forthright with the BTU rating on the burner (it can operate anywhere from 10-40 PSI), but the Bayou regulator I already have says it supplies up to 55k BTU/h at 10psi. One thing I'm confused about is the needle valve attached to the reg says it's 1/2 PSI. Is it really reducing the line pressure to 1/2 PSI?

So does having a needle valve (wide open) upstream from the burner valves cause any problems?

mistercameron 12-06-2012 08:03 PM

Will "utility grade" copper coil be fine for this application?

http://www.lowes.com/pd_12605-69305-...ing&facetInfo=

or this?
http://www.homedepot.com/h_d1/N-25ec...1#.UMEIcKUWlNw

mrrshotshot 12-06-2012 08:54 PM

Not sure. I just used 3/8" flex propane hose. Much easier to work with. And probably cheaper too.

mistercameron 12-06-2012 10:55 PM

Quote:

Originally Posted by mrrshotshot (Post 4656774)
Not sure. I just used 3/8" flex propane hose. Much easier to work with. And probably cheaper too.

Did you make your own? I called around and couldn't find anyone that would make custom lengths (or just buy short ones) for a reasonable price (eg, $15 for 15" hose). I have most of this stuff figured out, but there's one nagging question...

Can I screw the male flare into an FNPT fitting and get a good seal, or do I need to keep looking for a specialty fitting?

jsmoon888 12-07-2012 01:38 AM

I used flare fittings on the copper tubing. Got the valves, orifices, burners and regulator from bayou. Got the manifold to tie it all together from McMaster. The top part of the orange paint is burnt to black now but it still looks ok.

mrrshotshot 12-07-2012 02:53 AM

I went to my local propane store and they sold me the lengths. I made them myself with some barbed flare fittings. It was 2$ a foot of gas line and I cant remember what the fittings cost.

But the flare fittings will not fit NPT. You'll have to get a 3/8 x 3/8 Flare coupler to make it work if you have it coming off of black iron pipe like i do.


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