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Thread: O-ring breach seals.

  1. #1
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    Default O-ring breach seals.

    Just in case anyone is interested, the newer model Diana Air rifles (T06) also use O-ring breach seals. Not sure if any of the other earlier models also do though. Quite a few of the T06 rifles use the same size O-ring which is a 8mmx2,5mm. I've found that the 90 durometer are a little harder than the 70(standard) and last a lot longer, but any variant from 70-90 durometer will work fine. I've also replaced the breach seal on my LGV with the 90 durometer variant, but it's size is a 7x3mm.

    Anyway, just some odd info I thought might be useful to some.

    Cheers.
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  2. #2
    Sharp Shooter
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    Is that first measurement ID or OD?
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  3. #3
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    When measuring O-rings, one only quotes the ID and the wall thickness. So for example when written/quoted as a 7x3mm O-ring, it's actually a 13mmODx 7mmID and a 3mm wall thickness.
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  4. #4
    Sharp Shooter
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    Thanks Malligheid,

    Now I can pretend I know what I am talking about next time I walz into my local Nut & Bolt for spares..
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  5. #5
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    I actually had to read "malligheid" twice, I thought, huh, WTF?? Then it dawned apon me
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