Slyh13
08-10-2010, 03:06 AM
Is double flare necessary for copper tube flares or is a single flare good enough?
Tesla
08-10-2010, 07:51 AM
Single flare used to be the only one with the old R22, R12, R502 and R11. But some of these newer refrigerants operate at higher pressures and have a smaller molecular size - hence the need for a double flare. Of course the double flare used to be used for brake lines on cars due to higher pressures.
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