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Thread: QB79 O-rings help please?

  1. #1
    Marksman

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    Default QB79 O-rings help please?

    Hi guys

    Anyone know where in JHB i can get proper replacement o-rings for my 79? IT has developed a leak by the filling seals both green o-ring have perished.(forgot to disconnect the tank after use) Any help would be much appreciated. I am on the West rand
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  2. #2
    Inactive Member

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    Just go anywhere they sell O-rings, they have 1000's of sizes and it will cost you much less than getting it from a gun shop...
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  3. #3
    Marksman

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    Don't they have to be a specific type these one's are green and feel like silcone. the black ones from places like Midas seem to be made of rubber will these last as long as the green one's?
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  4. #4
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    Yes, dont try midas, rather ask aound. I know a place in Pta called Hyroquip, and if they cant help, no one can. But you are in Jhb I see...
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  5. #5
    Protea FT Team '08

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    Any of the BMG ( Bearing man group) retailers should be able to help.
    Abes is a good supplier as well.
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  6. #6
    Marksman

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    Thanks very much will give them a try tomorrow
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  7. #7
    Inactive Member

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    SFW, SEAL & Gasket Supplies Tel 011 618 4770
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  8. #8
    Sharp Shooter
    SAFTAA FT Colours '10

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    HI SFW,

    normal o-rings wont help to replace the green ones. You should ask for o-rings that can handle CO2. normal o-rings will swell and persish very quickly. Those green o-rings are under permanent CO2 pressure. The other o-rings in the QB can be any o-rings but those two must be CO2 rated. I for the life of me cannot remember what the material is that you can use. But there are a few different types of o-rings that are fine. just not the normal rubber ones.

    edit: viton is one. I think they use urethane in pantball bottles so it should also be ok
    Last edited by JTK; 15-10-08 at 11:20.
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  9. #9
    Inactive Member

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    Nuprene and Viton are good meterials to use for PCP and CO2.
    Seal & Gasket Supplies is where I get all my O-rings.
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  10. #10
    Marksman

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    Thanks guys as always very help full. JTK are you still making silencers for the QB's
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  11. #11
    Sharp Shooter

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    R250 for a Silencer. Copied Weihrauch
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  12. #12
    Sharp Shooter
    SAFTAA FT Colours '10

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    Hi SFW,

    I unfortunately dont have access to tools atm. Hopefully one of these days again.
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  13. #13
    Marksman

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    Thanks Ian is it slip on? if it is i will definitely be interested , if I'm not mistaken the O.D of the QB barrel is 15mm can you accommodate for this?
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  14. #14
    Marksman

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    Thanks for the info guys got the right o-rings at bearing man
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  15. #15
    Protea FT Team '18/'19
    SAFTAA FT Colours '15
    MOT: Swan Air
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    Quote Originally Posted by SFW View Post
    Thanks for the info guys got the right o-rings at bearing man
    Good to know. Now we know where to look.
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