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Old 06-18-2013, 10:06 AM   #10
wraprail
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Join Date: Sep 2010
Location: Lake Havasu City Arizona
Posts: 863
Re: Aluminum Air Line to Braided Stainless Line

Yea thing about those compression to -AN fittings is they are only rated at like 50psi as is most aluminum hard line.
(maybe not Swaglock but your standard Aeroquip, Russell, Earls, Jegs are only 50psi)
Tube nut and sleeve with a 37 degree flare will handle more pressure than the aluminum hard line ever will. 1000+psi.

Some aluminum hard line is rated to 100psi. but most is not.
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