At 10:38 PM 3/31/2015, Ryan Perry wrote: >So was just trying to research this different valves and ran across this > >http://home.earthlink.net/~derekgore/rvroadiervfulltimingwhatisitreallylike/id44.html > >I only understand half but seems some interesting explanation on how it >works. Wow, excellent article. I think you would be well advised to ask questions until you understand all of it before proceeding. For a start, when it speaks of an "excess flow" device it's talking about the POL spud that screws into the female pipe thread on your outlet valve. POL is the old type BBQ tank connector, left hand threaded. The spud, because it's a vehicle, must be of the type called "excess flow" that costs more than the plain ones. If your downstream piping is ruptured in a crash, the rapid exit of gas will trip a mechanism in the spud that slows it way down, helping avoid the problems that can cause. It's a big deal, but they're not very expensive. Maybe $5 instead of $2 or some such. Yours, David |
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