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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Thanks for all the plumbing help--some parting notes..
Awl--
Yeah, awesome plumbing threads. Very helpful! Still antsy about sweating ball valves, but not *as* antsy! About heat: O/A will certainly heat up a pipe in a hurry, but man, that sort of gives me the willies, even tho I got the O/A B-tank set up, tips, etc. But then you gotta lug around the oxygen, all the gauges... My suggestion, esp. to the propane users doing more than an occasional sink, is an acetylene B-tank w/ a Goss or prestolyte air/acetylene kit, for about $100. You can get various tips, and it's just plain simple, convenient, much easier to handle than O/A, and plenty hot. The handle is also easier to use than a propane tank, imo. And, f'sure much more economical than propane, and, according to some in the other threads, kinder to ball valves, etc. Bigger stuff, like 1 1/2 or 2" copper, you might want a turbotorch/B-tank set up, but that's up around $200. 3" might warrant real O/A--altho there might be some turbo-torch setups for this--I mighta even used one, way back! B-tank/air-acetylene would be good for people like Ignoramus, serious about setting up shop, likely to do more plumbing in the future than he thinks... like me! A sink here, a sink there would be fine w/ the propane ditty. The Goss manual has an interesting little factoid: the "gap" required for sweating/brazing fittings is .003!! Howzat for specificity??!! And indeed, never really thought about it, but copper pipe/fittings really are a good fit! Proly tighter than .003, feels like ..001, altho there are probably plenty of low/high spots. I think I'm now a pro-dope/thread man.... But what a mess! Tinning flux is really neat. I think I'm a convert. Thanks. ---------------------------- Mr. P.V.'d formerly Droll Troll |
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In article , Proctologically Violated©® says...
My suggestion, esp. to the propane users doing more than an occasional sink, is an acetylene B-tank w/ a Goss or prestolyte air/acetylene kit, for about $100. You can get various tips, and it's just plain simple, convenient, much easier to handle than O/A, and plenty hot. The handle is also easier to use than a propane tank, imo. And, f'sure much more economical than propane, and, according to some in the other threads, kinder to ball valves, etc. Don't forget you can purchase an MC tank instead of the B size. You can actually do a *lot* of half or 3/4 inch fittings on one MC tank. The B and the MC regulators have different fittings though. Jim -- ================================================== please reply to: JRR(zero) at pkmfgvm4 (dot) vnet (dot) ibm (dot) com ================================================== |
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MAPP Gas, hotter than propane.
"Proctologically Violated©®" wrote in message ... Awl-- Yeah, awesome plumbing threads. Very helpful! Still antsy about sweating ball valves, but not *as* antsy! About heat: O/A will certainly heat up a pipe in a hurry, but man, that sort of gives me the willies, even tho I got the O/A B-tank set up, tips, etc. But then you gotta lug around the oxygen, all the gauges... |
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How big is MC compared to B?
IIRC, around here, it's about $20 to fill a B tank w/ acet. I'm wondering the relative costs to MAPP, as well. Altho if you already have O/A or plan on using it, proly it's most economical to go air/acet for sweating. Oh, ahm postin from Giggle cuz my ISP (RCN, took over erols.com) keeps knocking out ngs, and they don't have a clue as to what's goin on. Some characters over there believe that RCN don't support ngs!! Iny idears?? Inneresting to see how this posts up. ----------------- Mr. PV'd |
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