Philmac poly liner

Bury the Trash

Member
Mixed Farmer
I believe that one reason to use liners is that they present a smooth edge that slips through the O ring seal in the fitting without damaging it. If you cut the pipe using shears, the sharp edge can score the O ring or push it out of its groove.
They do the plasson ones are even tapered/angled on the flange end so that does exactly what you say.
the philmac ones arent but still add a bit of smoothness to the edge of the pipe , i still like to keep a piece of sandpaper in my pocket to just take the sharp or roughness off the very outside edge of the end of the pipe. before fitting.
 

feilding

Member
Mixed Farmer
Location
At Home
Some of the blue pipe nowadays is not round, so it needs a liner every time. Philmac every time for me 😁
Plasson are sh!t, will never buy again.
Never had a philmac to leak. Yet !!!!!!!
 

Kevtherev

Member
Location
Welshpool Powys
I always use inserts every time and fit hundreds of water fittings in a year.
Stops the pipe deforming and is an integral part of a water fitting.
If they weren’t needed then the manufacturers R&D department wouldn’t of recommended they be made.
Brass inserts always used on the old conex fittings.
Do you wear shoes without a sock????????
 

exmoor dave

Member
Location
exmoor, uk
There should be No difference between blue and black pipe of the same except the colour.
Blue is only meant to ber used for potable chlorinated water./ Black is for untreated or even waste water

Older black pipe is much thicker, think that's what they mean


Also have some kiwi black pipe that comes with some kiwi troughs, that is LDPE and is a little thicker than UK blue pipe
 

Happy

Member
Location
Scotland
There should be No difference between blue and black pipe of the same except the colour.
Blue is only meant to ber used for potable chlorinated water./ Black is for untreated or even waste water
Maybe not if you were to go buy new black metric pipe but at farm use level it’s blue metric that’s used in every situation, then often joined onto imperial black they already have and wanting to connect onto.

in that situation liner in new bit of blue pipe, no liner in your existing bit of black.
 

vantage

Member
Livestock Farmer
Location
Pembs
Not small money if you shop at Wynnstay!! 😀
This is where I got a fair few fittings for the replacement water system we’re fitting on farm currently. As an example 50mm T’s are about half the price than locally! As for liners, well anything in Wynnstay is more expensive than elsewhere!
 

Exfarmer

Member
Location
Bury St Edmunds
Older black pipe is much thicker, think that's what they mean


Also have some kiwi black pipe that comes with some kiwi troughs, that is LDPE and is a little thicker than UK blue pipe
Looking further there is a plethora of “plastic” pipes. With probably up to 8 different materials used and then there are different thickness of wall to accomodate different pressure requirements.
The main pipe used today in farming is MDPE which replaced the black alkathene use last century . While similar it is not the same and has I think a thinner wall for the same pressure class. This gives a higher flow rate for the same outer diameTer. Liners are freely available for both. It can be confused again as some of the old imperial pipes are not quite the same diameter and there will still be some imperial class B pipes around which again have thinner walls again.
 

Exfarmer

Member
Location
Bury St Edmunds
Maybe not if you were to go buy new black metric pipe but at farm use level it’s blue metric that’s used in every situation, then often joined onto imperial black they already have and wanting to connect onto.

in that situation liner in new bit of blue pipe, no liner in your existing bit of black.
I would still use a liner if I was joining an underground pipe, the liners for all shapes and sizes should be avasilable, however I guess a lot of frewsh young faces in an averageb plp;umbing store would not have a clue what you were talking about if you asked him for a liner for a 3/4alkathene class B pipe.
We used to have a 1and1/2 inch class B alkathene to my last farm and that was not the easiest to source parts for
 
Because the inserts are made for blue metric pipe. Black is mainly imperial.
I use blue and black MDPE, they are identical. Blue should go in a trench, black is more resistant to decay by UV light, so best above ground. Black "class C" is what the imperial stuff used a few years back.

Some of the blue pipe nowadays is not round, so it needs a liner every time. Philmac every time for me 😁
Plasson are sh!t, will never buy again.
Never had a philmac to leak. Yet !!!!!!!
Much of mine isn't round anymore owing to being driven over. Soon get it round again with a hammer.
 

SFI - What % were you taking out of production?

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Red Tractor drops launch of green farming scheme amid anger from farmers

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As reported in Independent


quote: “Red Tractor has confirmed it is dropping plans to launch its green farming assurance standard in April“

read the TFF thread here: https://thefarmingforum.co.uk/index.php?threads/gfc-was-to-go-ahead-now-not-going-ahead.405234/
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