SpudFiles

Just a couple pics of my propane meter on fire. I need some more teflon tape on there.
The meter is a 3 foot long piece of 3/4" galvanized.

What im about to say is contreversial. Sweet! i like fire! Also o crap thats on fire. did you light it on fire on purpose?

pyromaniac wrote:What im about to say is contreversial. Sweet! i like fire! Also o crap thats on fire. did you light it on fire on purpose?

lol my buddie here has fire issues

Smooth

I use a lighter to leak-test my propane meter, too

Use 2-3 wraps of teflon tape on each threaded connection. When wrapping the teflon, wrap it in the same direction that the fitting will thread on - that way when you screw on the fitting, it doesn't take off the teflon.

I've occasionally had a brass fitting that won't hold 120psi (max a propane tank will put out, in my experience) no matter how much teflon you use. In that case, I just put a teeny bit of clear epoxy or superglue on the bottom of the threads, and screw it in. It'll never come back out, but it won't leak either....

Leak testing the entire thing in a bath tub before installing it on the gun is probably a good idea.

Peace,
Pete Zaria.

I was trying to pressure test my solinoid valve operated meter with propane. And the spark from connecting the battery to the valve caught a propane leak (which was like every connection, which had been leaking for like 1 minute at 120 psi). As you can guess i was engulfed in a flameball. Sustained minor burns and got yelled at for being stupid at 1am and setting part of the garage on fire. Since then i use a little dawn and water to check for leaks (and compressed air for pressure testing), if bubbles start to form and grow, its leaking. I also use liqiud teflon tape, which works wonders with leaks.

I always use teflon tape on any threaded fittings, but evidently I didn't use enough.

I thought when teflon buned it gave out toxic fumes (yes I know its the propane burning and not the teflon, but the teflon is still engulfed in flames)

I wouldn't doubt it, that's why I opened my garage door.

I guess that is one way to test for leaks...
I also use liquid tape on all my fittings where compressed gasses are concerned.

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10 wraps?

Thats a hell of a lot... The most I used when assembling my pneumatic and all the fiddly 1/4" threads was two. Thats leakproof at 200+psi for an indefinite length of time.

Mind you I have heard that gas tape is slightly thicker than the standard tape.

Bathtubs are excellent things for testing for leaks as long as the device is a metre or less long. More than that and you're probably better off with a spray bottle of water and washing-up liquid.

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Wouldn't the liquid pipe sealer be easier to get enough of?

that looks VERY safe. lol yea i say tape that thing up.