bk Posted January 16, 2012 Report Share Posted January 16, 2012 A quick question for you wise men. I've got a barn approx 175m from the mains and I'm getting it connected to the water. At some point in the future I'm wanting to convert it into a cottage. If I was to use a 25mm mdpe will that be okay for future plans?? Quote Link to comment Share on other sites More sharing options...
sako751sg Posted January 16, 2012 Report Share Posted January 16, 2012 Sorry fella.I tried to read your post but couldnt concentrate long enough.Im sure some gay plumber will come along shortly and manage though. Quote Link to comment Share on other sites More sharing options...
mikky Posted January 16, 2012 Report Share Posted January 16, 2012 i wouldnt mind sorting her plumbing out mikky Quote Link to comment Share on other sites More sharing options...
bobt Posted January 16, 2012 Report Share Posted January 16, 2012 Thats his daughter? yup 25mm is plenty for a house supply. Quote Link to comment Share on other sites More sharing options...
bk Posted January 16, 2012 Author Report Share Posted January 16, 2012 Even over such a distance? Quote Link to comment Share on other sites More sharing options...
Blackpowder Posted January 16, 2012 Report Share Posted January 16, 2012 Depends on your mains pressure, but 25mm is usually enough for a single domestic dwelling. Blackpowder Quote Link to comment Share on other sites More sharing options...
Tim Kelly Posted January 16, 2012 Report Share Posted January 16, 2012 Should be big enough as long as you're taking it from the meter. If you're taking it from your house and the supply is limited you might end up starving both dwellings at times of high demand. Quote Link to comment Share on other sites More sharing options...
bk Posted January 16, 2012 Author Report Share Posted January 16, 2012 Nope, its going to be a new supply to a trough for pigs initially. I went for 25 just in case the distance would make a difference. Would 20mm be okay then? Quote Link to comment Share on other sites More sharing options...
bobt Posted January 16, 2012 Report Share Posted January 16, 2012 we have a 15mm pipe that runs 500m and the pressure/flow is fine. Quote Link to comment Share on other sites More sharing options...
bk Posted January 16, 2012 Author Report Share Posted January 16, 2012 15mm OD? Quote Link to comment Share on other sites More sharing options...
-Mongrel- Posted January 16, 2012 Report Share Posted January 16, 2012 Nope, its going to be a new supply to a trough for pigs initially. I went for 25 just in case the distance would make a difference. Would 20mm be okay then? I wouldn't, if you want to maintain flow rates then 25mm minimum. A lot depends on how much pressure you have on the supply. Less than 3 bar and it would have to be 25mm in my opinion, close to 1 bar, you may want to consider 32mm. Don't get me wrong, you CAN supply a place with 20mm, but you won't be fitting power showers or similar and expect water starvation issues with more than one outlet open. Quote Link to comment Share on other sites More sharing options...
fern01 Posted January 16, 2012 Report Share Posted January 16, 2012 Hi, Why not put 32mm in, the cost of the laying the pipe is the same but the pipe is only pennies per metre dearer Quote Link to comment Share on other sites More sharing options...
Davva Posted January 16, 2012 Report Share Posted January 16, 2012 Don't forget to bury the pipe a min of 750mm and not exceeding 1350mm for frost protection & regs. ;-) Quote Link to comment Share on other sites More sharing options...
bk Posted January 17, 2012 Author Report Share Posted January 17, 2012 Hi, Why not put 32mm in, the cost of the laying the pipe is the same but the pipe is only pennies per metre dearer I called UU up today and it would be the same to connect a 32 as a 25 so it looks like Ill go for the 32mm. Im struggling to get 200m in a single piece though Quote Link to comment Share on other sites More sharing options...
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