Pressure test day!
All of the plugs are cut and fit to the boiler with a little Teflon tape.
The pickling paste cleaned the stainless welds nicely by removing the surface layer of metal that was oxidized during the welding and brazing.
The 1/4" ply wood blank end started leaking at about 10 psi. I must not have had enough coffee - don't know what I was thinking.
Same blank plate, this time made from a scrap of unidentified aluminum (from Nortel!).
Using a regulator, a manual valve and a check-valve I can up the pressure gradually and keep it there for a bubble test in the sink. 54 psi on the dial - which is 3.75 times the working pressure and more than twice the maximum pressure (the safety valve opens at 1.5 bar). I will not be pressure testing all the way to failure ;-)
The boiler is done!
All of the plugs are cut and fit to the boiler with a little Teflon tape.
The pickling paste cleaned the stainless welds nicely by removing the surface layer of metal that was oxidized during the welding and brazing.
The 1/4" ply wood blank end started leaking at about 10 psi. I must not have had enough coffee - don't know what I was thinking.
Same blank plate, this time made from a scrap of unidentified aluminum (from Nortel!).
Using a regulator, a manual valve and a check-valve I can up the pressure gradually and keep it there for a bubble test in the sink. 54 psi on the dial - which is 3.75 times the working pressure and more than twice the maximum pressure (the safety valve opens at 1.5 bar). I will not be pressure testing all the way to failure ;-)
The boiler is done!
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