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I realize the air pressure quick disconnects are self-sealing, but do they seal on both the male and female end ? or is it only one way?

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  • Would you want your disconnected nailer to have one last shot available from the compressed air trapped in the 50 foot hose?
    – DJohnM
    Oct 2, 2016 at 1:55

2 Answers 2

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No. Only the female end self seals. The male stays open, at least on my cheapo version.

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Pressurize it, take it loose and find out (TL;DR: No. ;)

Pro-tip: Kink the hose like you do with garden hoses, and let the air out slowly (pointed away from yourself) when you disconnect a male end. Don't let it 'fire-hose' itself and flail all about, which can damage it or you. However, unlike garden hoses, NEVER put your finger over the end to try and stop the flow of air.

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  • I'd never risk damaging a hose by kinking it. If you want a soft release, get a safety coupler like the Milton ("Milton S-99705 1/4" FNPT M Style Safety Coupler") or even a Husky from home cheapo. Oct 1, 2016 at 3:55
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    Neat, they do make these. "Reduces the risk of possible injury or damage due to accidental air line disconnect. Uses double click to engage properly. First click locks coupler and plug; second click engages air pressure. When disconnecting, first click will relieve air pressure; second click allows coupler and plug to be safely disengaged."
    – Mazura
    Oct 1, 2016 at 4:02

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