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Thread: EMAG quad oring

  1. #1
    Join Date
    Oct 2010
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    Troy, NY
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    EMAG quad oring

    How important is it to use the quad oring when using an emag? Does using the stock RT on/off assembly orings hurt the lowers at all?
    Thanks,
    -Rob

  2. #2
    Join Date
    May 2001
    Location
    South Carolina
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    398
    You're gonna run into problems; , more than likely it won't fire at all our your ROF wil be greatly reduced. I think a normal RT oring has too much friction the on/off pin to move properly.
    No gun

  3. #3
    Join Date
    Jun 2009
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    Kentucky
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    4,146
    You'll be fine. I have 2 emags that don't use them. The on/off pin will need to be a tad bit longer though.

  4. #4
    Join Date
    Dec 2000
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    7,211
    and your battery life will be shorter.
    Email me for low prices on ALL AGD Products and more. tunaman5@verizon.net
    Tunamart

  5. #5
    You can achieve the same ROF, if not greater, with a mechanical setup. Everything in the valve is the same, the only difference with the Emag is the way the sear is tripped in E-mode. So there's no problem with excess friction by using a teflon o-ring. Like Ando said, though, the on/off pin may need to be slightly longer to compensate for where the o-ring seals. A quad ring has two separate inside sealing surfaces, while the teflon ring only has one.

  6. #6
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    Oct 2010
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    Thanks guys,
    Then I guess I'll be looking for some,
    -Rob

  7. #7
    Join Date
    Jan 2002
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    Halifax, N.S., Canada
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    Its not teflon. Its urethane.

    The quad oring requires a 0.712" on-off pin and the standard urethane oring requires a 0.725" pin. The original emags did have urethane orings. You will have more consistent operation with the quad oring than the urethane one if things are not perfectly tuned. The urethane one grips the pin a bit tighter. If the sear assembly and solenoid plunger are properly adjusted and the battery is in good condition, you won't have any issues with the urethane orings. The quads just have a better range of operation.
    Except for the Automag in front, its usually the man behind the equipment that counts.

  8. #8
    So is the teflon o-ring only used in the classic on/off? After your post I looked at the exploded views of the classic valve and the retro valve, and noticed that the explo of the retro on/off just mentions a desogrin o-ring, while the classic clearly shows a teflon o-ring. I had thought that the X-valve still used a teflon o-ring in the on/off assembly.

  9. #9
    Join Date
    Jan 2002
    Location
    Halifax, N.S., Canada
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    Yes, the teflon oring is only used in the classic valve.

  10. #10
    Join Date
    Oct 2000
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    North Plains, OR
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    The reason for the Teflon orings was to be more tolerant to CO2. Urethane orings won't seal when they get really cold. Emags and RTs are HPA only hence no teflon. I remember the days of the power tube oring leaking down the barrel from being frozen by CO2 and the fix was to pull and hold the trigger to keep gas out of the dump chamber and let the oring warm up... man those were the days...

  11. #11
    Join Date
    Dec 2000
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    Hey Black! How the hell are ya?! Great to see you around here!

  12. #12
    Quote Originally Posted by BlackVCG
    The reason for the Teflon orings was to be more tolerant to CO2. Urethane orings won't seal when they get really cold. Emags and RTs are HPA only hence no teflon. I remember the days of the power tube oring leaking down the barrel from being frozen by CO2 and the fix was to pull and hold the trigger to keep gas out of the dump chamber and let the oring warm up... man those were the days...
    Mystery - solved. Thanks for the explanation, it makes perfect sense now.

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