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-   -   Joint compound on brass fittings for natural gas? (http://www.diychatroom.com/f7/joint-compound-brass-fittings-natural-gas-48745/)

larrycassidy 07-13-2009 01:05 AM

Joint compound on brass fittings for natural gas?
 
Hi,
I recently had my bbq converted to natural gas. The gas is coming in on a black iron pipe with a shutoff valve and a 1/2 inch flare. I need to split the line using a T-connector (to run gas to main grill and a separate side burner). Should I use joint compound on my connections?

Thanks in advance!

Just Bill 07-13-2009 05:43 AM

Use pipe dope for non-flared fitting. Flared fittings need nothing.

Clutchcargo 07-13-2009 07:47 AM

I'd use pipe dope on all black pipe connections. Make sure you use the one that is specifically for gas.

majakdragon 07-13-2009 10:48 AM

Flare fittings are machined and need no joint compound on them.

kenmac 07-13-2009 06:43 PM

Quote:

Originally Posted by majakdragon (Post 301241)
Flare fittings are machined and need no joint compound on them.



This is correct... It just gives me that warm fuzzy feeling to use it on flared fittings

JDC 07-13-2009 08:31 PM

Gives me the warm fuzzies too. Just remember that on compression and flared fittings the threads are NOT what causes the gas/water tight seal. On compression it is the ferrule and on the flared fitting it is the mating surfaces themselves. The use of the pipe dope on ferrules and mating surfaces doesnt hurt and well I love those warm fuzzies.


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