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Thread: FWB P44 cylinder

  1. #1
    Join Date
    Feb 2014
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    Chelmsford
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    FWB P44 cylinder

    One of the two cylinders of my P44 has developed a leak. If I pressurise it to full pressure in the evening, by the following morning the gauge shows about half has leaked away.

    Is it possible to have a cylinder repaired - new seals or whatever - or do I have to buy another?

    If it is repairable, does anyone know of a company/person who is able to do this?

    Aubrey

  2. #2
    Join Date
    Jun 2016
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    maidstone
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    885
    They should be just seals.... Not sure how difficult it would be...

  3. #3
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    Apr 2023
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    Cambridge
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    18
    I doubt they are repairable especially if over the 10 year age. 200 bar is a huge pressure, and any mistake could be catastrophic. Can’t imagine any professional would want the risk.

    I replaced my P44 short cylinders this year, got two older working ones if you want to buy one!

  4. #4
    Join Date
    Jun 2016
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    maidstone
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    Most modern PCPs work at 200bar or 3000psi some even 4000 so totally feasible to reseal if you can get them apart...
    Nikonos has the seals on the bay of E for around £30
    Last edited by AC all day; 12-09-2023 at 10:00 PM.

  5. #5
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    Feb 2014
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    Quote Originally Posted by AC all day View Post
    Most modern PCPs work at 200bar or 3000psi some even 4000 so totally feasible to reseal if you can get them apart...
    Nikonos has the seals on the bay of E for around £30
    I was hoping there maybe someone or a pcp specialist who could replace the cylinder seals but it looks as though I will need a special 4-pin tool to remove the end cap and this is something that the manufacturers would discourage I suspect but thanks for your suggestion.

    Aubrey

  6. #6
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    Feb 2014
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    Quote Originally Posted by BlueAngel57 View Post
    I doubt they are repairable especially if over the 10 year age. 200 bar is a huge pressure, and any mistake could be catastrophic. Can’t imagine any professional would want the risk.

    I replaced my P44 short cylinders this year, got two older working ones if you want to buy one!
    I would be interested in purchasing one of your old cylinders - I have pm'd you.
    Aubrey

  7. #7
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    Feb 2014
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    The spare cylinders BlueAngel57 have are for the compact model unfortunately and so I am still looking for the full length (200 mm long approx) cylinder and if anyone has such an item for sale I would be willing to purchase it.

    Failing that I will need to buy a new replacement.

  8. #8
    Join Date
    Aug 2015
    Location
    bolton
    Posts
    591

    Cylinder seals

    Try bob clevely at checkmate guns, he resealed a fwb cylinder for me recentley.

  9. #9
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    Feb 2014
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    Quote Originally Posted by XDRIVER View Post
    Try bob clevely at checkmate guns, he resealed a fwb cylinder for me recentley.
    Thanks for that info - I will contact them tomorrow.

  10. #10
    Join Date
    Feb 2014
    Location
    Chelmsford
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    Many thanks to Chris Lacey of Lacey's Shooting Services for replacing the seals on my P44 cylinder; it arrived back here safely this afternoon.

    A satisfactory conclusion and thanks to all those who offered advice.

    Aubrey

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