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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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Blast furnace parts, Natural gas, Kiln igniter
I am attempting to repair a gas-fired kiln that is used to fire the
shell moulds at a bronze foundry. The fire clay nozzles cracked and caused heat to destroy the ignition transformers. The problem is I can't find any supplier that carries these transformers. The brand is Webster and I see many cross-references at other manufactures sites but no one that carries Webster. This kiln was made at the shop from commercially available (at the time) components, but the maker and his sources are long gone. Any help with suppliers would be most appreciated. Thanks |
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Any reason not to use an "equivlanet" transformer from another
manufacturer, particularly when you have some cross-references available? There probably isn't anything critical about that particular transformer. Bob |
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In the interest of brevity, I failed to emphasize that I am looking for
a source of supply for all things kiln-furnace-gas valve-high temperature control etc. I do the maintenance at the foundry and there is numerous gas fired ovens and blast furnaces. I was hopping to appeal to the amateur "metal melters" or gas "kiln builders" out there to find out if they had discovered such a source. It would also be nice if located in northern California but that may be asking too much. The kiln I am repairing also needs a new 4" long spark plug, and other odd stuff like that. Eugene |
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You might check on parts for oil-burners as used in home heating furnaces
and in the "torpedo" type space heaters as these use high energy spark ignition. Don Young wrote in message ups.com... In the interest of brevity, I failed to emphasize that I am looking for a source of supply for all things kiln-furnace-gas valve-high temperature control etc. I do the maintenance at the foundry and there is numerous gas fired ovens and blast furnaces. I was hopping to appeal to the amateur "metal melters" or gas "kiln builders" out there to find out if they had discovered such a source. It would also be nice if located in northern California but that may be asking too much. The kiln I am repairing also needs a new 4" long spark plug, and other odd stuff like that. Eugene |
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On Fri, 10 Jun 2005 22:20:25 -0500, "Don Young"
wrote: You might check on parts for oil-burners as used in home heating furnaces and in the "torpedo" type space heaters as these use high energy spark ignition. Right. It isn't really a spark, but more of a soft arc: about 20 KV open-circuit voltage and about 1000 to 1500 volts at about 25 mA once the discharge is established. They'll ignite a popsicle stick in a second or two. In an oil burner the arc is blown into the combustion region; the electrodes are not directly exposed to flame. |
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