Anybody know of a quick disconnect hydraulic fitting that won't introduce air in the system when it is disconnected and reconnected? Something inline and sized for typical light aircraft brake lines?
Joa
quick disconnect hydraulic fitting
Jan 06, 2005
7 Replies
Go to Parker Hannifin and look there.
you want flat face zero drip couplings , high dollar
All of them that I know of will introduce a little air when reconnected, even the 'zero leakage' ones....
even the 'zero leakage' ones....
Yes, you would have to have multiple valves to be truly zero-leakage. Are there such animals? Can somebody suggest a simpler setup than the setup I'm thinking about? I would think that you would lose a bit of fluid while bleeding, but avoid introducing air.
line-----shut-off/bleed valve------connector end--| |--connector end-----shut-off/bleed valve-----line
If you install the fittings so the female one points up you could fill it with oil before connecting then join them without getting any air into the system. My question is why do you need this.
Boeing 747 quick change brake calipers?
How would you disconnect pressurized line?
If you can deal with a little bit of air, there are a number of options.
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