Posting a message to the forum will remove the above advertisement
  1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.
  2. Checkout our Plumbers Insurance area - heavily discounted Public Liability Insurance and Van Insurance specifically designed for plumbers.

Discuss Pipe connection for 1940/50s imperial StopCock (1/2" copper pipe). in the Fittings & Pipes area at UKPlumbersForums.co.uk.

  1. Popsk

    Popsk New Member

    Could anyone please identify the thread and connection required to fit this old stopcock (photo attached), the problem thread is 0.894" across the thread, with 14 threads per inch.
    The feed pipe into the stopcock is 1/2" copper, and is approximately 4" long - from the concrete floor to the existing in stopcock connection. My problem is that the out connection nut is missing and I am wanting to connect a 15mm pipe to the stopcock to feed an external garden tap.
    I had previously been advised, by a friend, that I required a 1/2" bsp tap connection, purchased one - too small, a further friend advised that I would need a 3/4" bsp tap connection, again I purchased one - it was too large.
    Is there anything currently available that will fit the bill?

    StopCock thread photo.jpg
     
  2. Harvest Fields

    Harvest Fields S. Mod Trusted Plumber GSR Top Contributor!!

    Would probably be easier to fit a whole new stop tap mate.
     
    • Agree Agree x 1
  3. snowhead

    snowhead Plumber

    It's quite posibly 5/8" but you wont be able to buy a plumbing Compression nut that size nowadays.
    That size is still used in Hydraulic fittings.

    New tap as above is the solution.
    The thread was used on some bib tap originally.
     
  4. Popsk

    Popsk New Member

    Thanks Snowhead, I'll follow that one up.
    Popsk
     
  5. JCplumb

    JCplumb Plumber

    If you're desperate you could try a scrap metal merchants and ask to look through their brass bin. An old stop tap could have the part you need.
     
  6. Popsk

    Popsk New Member

    Good idea JC, hadn't thought of that, thanks.
    Popsk
     
  7. Popsk

    Popsk New Member

    Bit of a prob with that one HF, I'm having to dig-out the external stopcock, 50yrs solid soil buildup from path-cover to 3' down, and still digging with no sign of the stop valve yet!
     
  8. Harvest Fields

    Harvest Fields S. Mod Trusted Plumber GSR Top Contributor!!

    We have all been there. It’s normally about an arms length down. Keep going it is there.:rolleyes::rolleyes::mad:
     
  9. townfanjon

    townfanjon Trusted Plumber GSR Top Contributor!!

    Dont waste your time , new stoptap !!
     
    • Agree Agree x 1
  10. Popsk

    Popsk New Member

    Thanks townfanjon, I had hoped it wouldn't come to that, as the stop valve in the street is proving rather elusive.
    Bytheway, I like your hat ;-)
     
    • Funny Funny x 1
  11. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Call the water board out then say you can’t find the stop tap

    They will find it and dig it out for you
     
    • Agree Agree x 1
    • Informative Informative x 1
  12. Popsk

    Popsk New Member

    Yes everything seems tobe pointing in that direction Shaun. Would they charge for this service?
     
  13. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    They shouldn’t as you require access to the outside stop tap
     
    • Agree Agree x 1
  14. Harvest Fields

    Harvest Fields S. Mod Trusted Plumber GSR Top Contributor!!

    So why the heck have I been digging them out for years?:mad:
     
  15. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Because you can’t be bother to wait for them ? :D
     
    • Funny Funny x 1
Loading...
Similar Threads - Pipe connection 1940 Forum Date
Kitchen mixer tap pipe connections Fittings & Pipes May 15, 2019
Waste pipe connection to soil pipe in concrete floor. Bathrooms, Showers and Wetrooms Mar 10, 2019

Users found this page by searching for:

  1. imperial stop cock

    ,
  2. imperial stopcock and fittings

Users found this page by searching for:

  1. imperial stop cock

    ,
  2. imperial stopcock and fittings