Pipe sleeve's

[AllyBongo]

When i did some work for BG, they supplied pipe sleeve's for 22mm pipe, it was white and fitted tightly over the pipe, meaning drilling a smaller hole. Anyone seen this anywhere??

 

[tweakyboy]

I think B.E.S do them, pretty sure I seen them in one of their books. I'll have a look for you in a minute.

 

[AllyBongo]

Cool, handy wee things!!

 

[tweakyboy]

Can't edit other post so here is the link, knew I seen them somewhere! Gas Meter Housings & Accessories

 

[dancinplumba]

you could use 28 mm hep its a perfect fit for 22 and you can use 28mm core drill

 

[EPH]

you could use 28 mm hep its a perfect fit for 22 and you can use 28mm core drill

You cant use hep as a sleeve??

 

[dancinplumba]

why not ?

 

[dancinplumba]

is it cos its not fireproof

 

[EPH]

Am i getting fished here?

 

[dancinplumba]

nope.

 

[EPH]

Though the regs stated a sleeve has to be suitable for the safe carriage of gas?

 

[tweakyboy]

As far as I'm aware the sleeve must be of a suitable material to carry gas, think thats what I was told when I spoke to GS once. As it was a bit of a grey area on what you can and can't use.

 

[dancinplumba]

it is a grey area, the sleeve will be open at one end to allow gas to escape so the sleeve (hep) will not be under any great pressure where it would then perhaps permeate through the sleeve. imo just use 28 copper then lol

 

[tweakyboy]

I use copper on any sleeve, but I did have a few on some new installations ran in 32mm waste pipe which was why I questioned it but GS did say that it was ok. :goofy:

 

[EPH]

It's not a grey area unfortunately it's in black and white.

If it makes sense or not may certainly be up for but debate but it definitely states all sleeves must be suitable for the safe carriage of gas.

I always use copper, seen loads of waste pipes and overflow used when doing CP12's and always gets noted.

A lot of specs for bigger jobs we do also state the sleeve should be two pipe sizes larger than the pipe passing through it. So for a 22mm pipe you'd use a 35mm sleeve, dont think that's anything to do with GSR though.

 

[EPH]

I would also like to add, I'm normally wrong about most things!!

 

[dancinplumba]

lol me too

 

[dancinplumba]

the issue with a copper sleeve is it could corrode in contact with cement ??

 

[kirkgas]

i prefer plastic for sleeve, if you sleeve with copper then cement it in then surely the copper will corrode (and its not cheap) a post above mentioned using a sleeve 2x the dia of the pipe, i dont agree with this size, better to keep the sleeve just large enough to seal between the pipe and the sleeve

 

[nicro3]

Any sleeve should be made of the same material of what's going through it