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Thread: Sievert Nozzle still hot after 24hr

  1. #1
    Join Date
    Jul 2017
    Posts
    16

    Default Sievert Nozzle still hot after 24hr

    Hello, I hope anyone has an insight as to why my Sievert nozzle is still very hot after more than 24hr after using it??
    I'm a bit worried as I've had a bit of a trouble with it before - (not tightened nut resulted in the gas leaking and a brief blow up - which scared me A LOT).

    To give you the context I have been melting scrap gold and when I turned it of the yesterday morning the regulating knob was super hot - which I found strange. Also it took longer for the flame to die down, brief sparks came out at the time of turning it off.
    Since I had the problem with a loose nut before I tightened nozzle again.

    When I came in the afternoon I accidentally touched the nozzle and it was pretty hot!
    What could be the reason?
    I'm worried to use and I'm worried to leave it!

    I would be very grateful for any help!!
    Also if you guys have any tips on how you maintain your Sieverts - what do you do regularly to avoid any nasty hot surprises - I'd be keen to know. I'd rather not learn by trial and error...

    Thanks in advance,
    Monika

  2. #2
    Join Date
    Dec 2014
    Location
    South Australia
    Posts
    1,722

    Default

    Seems like it may have not extinguished leaving a tiny flame burning, faulty shut off valve on the handle, may just need cleaning, could just be loose fittings or my need a service kit, probably just fit a service kit, then you are sure, while you have it pulled down remove the burner and give a clean with Acetone, or I believe it is possible to use WD40.
    Maintenance is just matter of keeping the burner clean and all the nuts firmly tightened.
    Last edited by china; 08-08-2022 at 03:09 PM.

  3. #3
    Join Date
    Mar 2011
    Location
    Manchester UK
    Posts
    877

    Default

    Whats it resting on ?

  4. #4
    Join Date
    Jan 2021
    Location
    Bristol
    Posts
    105

    Default

    Quote Originally Posted by china View Post
    Seems like it may have not extinguished leaving a tiny flame burning, faulty shut off valve on the handle, may just need cleaning, could just be loose fittings or my need a service kit, probably just fit a service kit, then you are sure, while you have it pulled down remove the burner and give a clean with Acetone, or I believe it is possible to use WD40.
    Maintenance is just matter of keeping the burner clean and all the nuts firmly tightened.
    Yes I've done this - thought it was out but there was still a tiny flame.

    I always make sure I have the gas turned off at the tank as well before leaving it unattended.

  5. #5
    Join Date
    Jul 2017
    Posts
    16

    Default

    I have a metal stand that I rest it on whenever I don't use.
    Thanks God I did otherwise the whole studio would've even gone by now ��*��

  6. #6
    Join Date
    Jul 2017
    Posts
    16

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    This is so scary, I never would have thought this can be possible... I'm a bit concerned, it doesn't feel safe. I definitely tightened the regulating knob properly...

  7. #7
    Join Date
    Dec 2014
    Location
    South Australia
    Posts
    1,722

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    It is safe if every thing is in good order as I explained above, to check if there is a tiny flame switch lights off in the area and you will see if it still has a flame, normally it will be just at the injector as said above always turn off at the cylinder at the end of the day.

  8. #8
    Join Date
    Feb 2011
    Location
    Scotland
    Posts
    3,258

    Default

    Also if you remember to turn off the tank it will Go out if that’s the problem.

  9. #9
    Join Date
    Feb 2016
    Location
    East Anglian
    Posts
    495

    Default

    Yes, yes and YES. Turn off right back to the bottle(s).


    Sent from my iPad using Tapatalk

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