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Thread: Pressed metal plugs ( like a welch plug) where to get?

  1. 16th January 2011, 11:00 AM #1
    It'sNotWorthComplaining! Guest

    Pressed metal plugs ( like a welch plug) where to get?

    I'm looking for pressed tin plugs of approx 10mm diameter and approx 5mm deep. Sort of like a welch plug or the plugs you see on oil pump pressure relief valve ends. I tried googling, but with out knowing the techical name for them it's a bit more difficult.
    any idea where to source?
    thanks
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  2. 16th January 2011, 11:16 AM #2
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    clubagreenie
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    I know the plug you're referring to but unsure as to where to get them i that size. Is it an option to thread and plug with a grub screw? There are also plus called "koenig" plugs which push in and have a ball punched into the centre to expand it.
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  3. 16th January 2011, 02:51 PM #3
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    They are called Welch/Welsh plugs, you should be able to buy them from parts suppliers, Repco and the like, they are knocked in with a socket that fits snugly inside the cup and it is advisable to use a sealant like Stag, Regards Frank.
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  4. 16th January 2011, 03:19 PM #4
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    Other names that they go by are:- Expansion plugs and Frost plugs,depending where you come from.

    Wayne
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  5. 16th January 2011, 05:21 PM #5
    It'sNotWorthComplaining! Guest
    I'd be suprised if Repco and the like had them in such a small size.
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  6. 16th January 2011, 06:33 PM #6
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    clubagreenie
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    I know the one's you mean they are pressed in and often you see 3 or 4 marks around the outer edge where it's punched to lock against the housing material. Unfortunately I don't know of a low pressure press in alternative, apart from the koenig plugs I mentioned. They are used in hydraulic manifolds to seal cross drillings.

    HP plug (with ball,450bar) Low Pressure (no ball, 60bar)


    Sun hydraulics seem to distribute here

    Part no etc
    850 005 010 PLUG 10mm EXPANDER $14

    By memory you're in Vic, try

    Sun Hydraulics
    94-98 Kirkham Road West
    Keysborough VIC 3173
    (03) 9769 1112

    Hopefully they can help
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  7. 16th January 2011, 10:40 PM #7
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    Quote Originally Posted by It'sNotWorthComplaining! View Post
    I'd be suprised if Repco and the like had them in such a small size.
    Have you tried? BTW most Welch plug sets have 2 or 3 that size included for the oil galleries, Regards Frank.
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