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Thread: Aluminium tubes torque
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11-03-2014, 07:29 PM #1
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Aluminium tubes torque
Hi
To aluminium tubes conexion (1/4 or 3/8"), should be applied same torque as copper ? Any special recommedation when dealing with aluminium ?
I imagine copper is better but I want to try aluminium.
Moises
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11-03-2014, 09:35 PM #2
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Re: Aluminium tubes torque
would have thought -same tightening torque- different brazing rods
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09-04-2014, 02:19 PM #3
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Re: Aluminium tubes torque
The torques that we use for Aluminium are:
20 NM for 1/4"
30 NM for 3/8"
It is recommended that an Aluminium flare nut is used and a small ammount of thred tape is placed on the thread only to prevent galvanic corrosion, if you use a Brass nut then a self adhesive heat shrink should be applied to cover the whole joint.
