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Discuss Is white PTFE tape allowed on gas fittings these days? in the Gas Safe Register Forum - Public Forum area at UKPlumbersForums.co.uk.

  1. Application

    Application New Member

    Ex gas fitter here. I haven't worked on gas for at least a decade so I'm not up to speed on any changes there may have been since I last worked in the industry.

    However, I have recently gone to a family members house who has had a new kitchen fitted. I couldn't help but notice that the gas cooker bayonet fitting she's just had refitted has white tape on it rather than yellow gas rated tape I used to use.

    Before I tell her to make a complaint, can any of you gas safe guys tell me if the regs have changed and are you now allowed to use white tape on gas fittings?

    I've attached a photo of the fitting so you can see what I saw.

    Thanks for any replies.

    IMG_20190413_172806065~2.jpg
     
  2. Best

    Best Trusted Plumber

    Are you sure it is ordinary thin ptfe tape?
    Gas tape is white but just thicker, - isn’t it?
     
    • Agree Agree x 3
  3. scott_d

    scott_d Plumber GSR Top Contributor!!

    Gas ptfe can be white
    Why are you removing a cooker in a new kitchen? Smells fishy
     
    • Like Like x 1
    • Agree Agree x 1
    • Useful Useful x 1
  4. Application

    Application New Member

    I can't be sure if it's thin or thick. But I always thought the whole point of there being a colour distinction between the two types of tapes was to stop gas fitters putting water rated tape on gas pipework by mistake.
     
    • Agree Agree x 1
  5. Application

    Application New Member

    Scott d. I haven't removed any cooker. In fact, right now there is no cooker. The previous cooker was taken out and scrapped by the same gas safe registered fitter who refitted this bayonet. He had to do this because the existing pipework needed to be moved to allow the electrician to run some trunking.

    The new cooker is being delivered next week and she has paid £85 to have it fitted by a gsr fitter via John Lewis.

    I can assure you that there will be no illegal gas work taking place in this property. I just want to know if this ptfe is safe, or if she's had a cowboy take a short cut. Because when I worked in the industry it was a definite no no to use white tape on gas fittings.
     
    Last edited: Apr 13, 2019
  6. Darren Jackson

    Darren Jackson Plumber GSR

    As previously stated gas PTFE is white nowadays but a lot thicker than ordinary PTFE. It is in a yellow dispenser though so as to not get confused and stated for gas use or at least what I use is from my local merchants is anyway.
     
    • Agree Agree x 2
  7. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    You can use normal just takes more / double ish
     
    • Disagree Disagree x 2
    • Dislike Dislike x 1
    • Agree Agree x 1
  8. kozak1968

    kozak1968 Plumber GSR

    I've seen a similar thing with Loctite 55 in the early days. It looked like someone had put hawkwhite and hemp on barrel pipework. The supervisor confirmed it was Loctite 55 and not hemp.
     
  9. Application

    Application New Member

    Ok that's good to know. However, I still have some concerns. On closer inspection this tape does look like thin water only rated tape that has been wrapped around the thread multiple times.

    I mean it's probably safe enough. I've seen the paperwork and it's passed the tightness test. But when I was in the industry the thicker yellow gas tape was only ever wrapped one and a half times around the thread. This thread has been wrapped multiple times, which would indicate to me that it's not gas rated PTFE.
     
    Last edited: Apr 13, 2019
  10. Application

    Application New Member

    Is that legal, to use water only rated PTFE tape on a gas fitting, as long as it's wrapped around the thread more? Because that seems to be what he's done here.
     
    Last edited: Apr 13, 2019
  11. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    its ptfe and ptfe is approved gas tape is recommened but aslong as it seals and you do the tests i wouldnt have a problem with it

    hell we used to use string
     
    • Agree Agree x 1
  12. scott_d

    scott_d Plumber GSR Top Contributor!!

    What about the bayonet being left unplugged for how ever many days!
     
    • Agree Agree x 1
    • Disagree Disagree x 1
  13. Application

    Application New Member

    If it's a permanent move to an electric cooker then I'm sure it's best to have it capped off, but isn't a self sealing bayonet ok? At least in the short term?
     
  14. scott_d

    scott_d Plumber GSR Top Contributor!!

    That’s not what it’s meant for. It’s for short term removal and refitting eg cleaning behind the cooker.
    A decent Gas safe registered person would leave it like that.
     
  15. Application

    Application New Member

    Define short term? And if a gas cooker has been removed and a new one is to be installed the following week, is there an actual regulation that says that a self sealing bayonet isn't ok for this purpose? Im not arguing. I just want ammunition, because I'm not happy either.
     
    Last edited: Apr 13, 2019

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