On 23/03/2021 21:44, Robin wrote:
On 23/03/2021 20:50, SH wrote:
I had a 10 pack of 3m x 22mm diameter White PEX barrier pipe lying
about in the garage.

It has now been used as part of a 30 m long irrigation system clipped
to a dark brown wood fence with 22mm Push fit equal tees at 3m intervals.

I thought I might as well use the 10 pack of plastic Pex rather than
buy a 10 pack of 3m copper tube and teh PEX pipe is better at taking
in the undulations of the fence than the copepr tube would ever be.

The Tees serve to join up the 3m lengths of white Pex pipe and allow a
copper manifold with 4 washing machine valves to be fitted.

Hozelock tap connectors are then screwed onto the washing machine valves.

The idea being that each washing machine valve then feeds a bradas
dripper hose via a hozelock hose connector

The main 22mm white PEX pipe run is then controlled by a water timer
connected to 25mm blue MDPE pipe.

Now, SWMBO has objected to the white plastic pipe against the dark
brown fence.

So I've been looking at:

https://www.toolstation.com/polyprop...conduit/p47607

Does anyopne know if 22mm plastic pipe will fit within the flexible
25mm conduit? If so, I can then temporarily disconnect the Tees and
slide on 3 m lengths of flexible conduit and then reclip using 25 mm
diameter conduit pipe clips.

25mm is the outside diameter and it's corrugated so the internal
diameter is a lot smaller so I'd say next to no chance..

And come to think of it sellers with more time for specs than TS
probably tell you.Â* Ah yes:

https://contactitsolutions.co.uk/cable-management/flexible-conduits?limit=100


18mm

https://www.cef.co.uk/catalogue/products/1781070-25mm-polypropylene-flexible-conduit-50m-reel


19mm

I can well believe the TS one is thinner but not /that/ much thinner.

Look at 32 mm flexible conduit - c. 27 mm internal.

And worth checking it is UV stable (which IIRC PEX ain't so SWMBO may
have done you a favour).



I've come across split conduit.....

https://www.cef.co.uk/catalogue/prod...nduit-50m-reel

That does have the advantage of not needing to disassemble the Equal
Tees or pulling the PEX pipe out of its pipe brackets. I can then add
black round conduit brackets to hold the PEX-Conduit assembly to the
fence.....

FWIW, the PEX pipe is at the bottom of the 6ft high fence on teh north
facing side and doesn't get any direct sunlight......