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SVTPerformance's Chain of Restaurants
Road Side Pub
It seems nitrous is going out of style, grrr...
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<blockquote data-quote="oldmodman" data-source="post: 10373319" data-attributes="member: 10303"><p>I am going to pick up some welding gases tomorrow and I'll see what a 120 pound bottle costs. </p><p></p><p>You don't need a "real filling station" to do it. Just 10 feet of teflon lined braided in three lengths, two inline filters, and a freezer that will hold the smaller bottle. </p><p>I used to refill all my bottles that way. </p><p></p><p>Freeze the bottle, hook it to the big bottle, put it on a scale, open the big bottles valve with the small bottles AN fitting slightly loose. Let a little gas leak out to purge the line, tighten the AN fitting, open the small tanks valve and keep an eye on the scale. When the correct weight of gas has transferred shut both valves then open the AN fitting slowly to bleed off the gas in the lines and filter. To get the last little bit of gas out of the big bottle I would leave it out in the sun with a black trash bag on it to build the pressure up enough to get all but the last pound or so out. Just remember to clean both filters after each big bottle. Those tanks are just full of crap.</p></blockquote><p></p>
[QUOTE="oldmodman, post: 10373319, member: 10303"] I am going to pick up some welding gases tomorrow and I'll see what a 120 pound bottle costs. You don't need a "real filling station" to do it. Just 10 feet of teflon lined braided in three lengths, two inline filters, and a freezer that will hold the smaller bottle. I used to refill all my bottles that way. Freeze the bottle, hook it to the big bottle, put it on a scale, open the big bottles valve with the small bottles AN fitting slightly loose. Let a little gas leak out to purge the line, tighten the AN fitting, open the small tanks valve and keep an eye on the scale. When the correct weight of gas has transferred shut both valves then open the AN fitting slowly to bleed off the gas in the lines and filter. To get the last little bit of gas out of the big bottle I would leave it out in the sun with a black trash bag on it to build the pressure up enough to get all but the last pound or so out. Just remember to clean both filters after each big bottle. Those tanks are just full of crap. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
It seems nitrous is going out of style, grrr...
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