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best size for euro cylinder

Discussion in 'Windows and Doors' started by wrathkeg, 27 Sep 2014.

  1. wrathkeg

    wrathkeg

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    I am looking to replace the euro cylinder on a uPVC door. The one currently installed is 50/50 but it sticks out a bit on the outside (about 3mm). I know that protruding cylinders can be more vulnerable to attack. Is it best to replace it like for like, or with a 50/45, which would mean the cylinder would sit slightly behind the backplate?

    Thanks!
     
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  3. Like for like, replacing a 50/50 with a 50/45 won't work.
     
  4. phatboy

    phatboy

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    How so? I have done this before.
     
  5. crank39

    crank39

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    Euro cylinders are sized in 5mm increments, I know you know that so if the cylinder sticks out past the handle 5mm or more then yes you can reduce the length by 5mm to try and get it closer to flush with the handle, if its only sticking out 3mm as has been said then reducing it by 5mm will most likely leave the cylinder below the face of the handle, I think that's what Eddie means
     
  6. wrathkeg

    wrathkeg

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    Thanks for the responses. Looks like I'll go for like for like (50/50), though like phatboy I am curious as to why a couple of having it set a couple of mm back would be a problem? Especially as too much protrusion seems to be a no no.
     
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  7. wrathkeg

    wrathkeg

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    Thanks for the link.

    In fact, I was looking to replace the preinstalled tat with those very cylinders (ABS)! Like you say they aren't cheap, which is why I'm taking extra care to get the right ones.
     
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