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Fire tubes

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Peter Simpson 3	26/10/2021 10:37:45
122 forum posts 2 photos	What fit should be achieved when fitting fire tubes to the tube plate prior to silver soldering ? I have my 5" gauge fire box fabricated and I'm now looking to assemble the tube stack. As per other info the tubes pass through both front and rear tube plates with out rubbing, Do the tubes require swaging into position. If so how do you swag the fire box end of the tubes with the fire box fabricated ?
duncan webster	26/10/2021 13:26:25
5307 forum posts 83 photos	Buy a copy of Keith Hales book from Cup alloys. Don't listen to anyone who says to make them a tight fit
fizzy	26/10/2021 21:38:10
1860 forum posts 121 photos	I wouldnt take advise from anyone other than a boiler maker - feel free to pm me.

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