MDPE pipe | Join MDPE pipe
Вставка
- Опубліковано 4 жов 2024
- This video shows how to cut and join MDPE pipe using two popular types of fitting, John Guest speed fit and Melimatic Push-Loc. Compression fittings can also be used on MDPE, although push fit fittings are much easier. Brought to you by www.ultimatehan...
If you were going to run these through a slab floor or a brick or concrete wall would they need to be inside some larger pipe or conduit. Very nice to the point videos, thanks.
As a gas fitter,if I was to be fitting a whole new central heating combi system(there hasn't been many of them due to the climate)I would have no quarms whatsoever in using plastic or this type of pipe for CH Pipes,though the pipe going into the rad valve I would still use copper.
Another cool video ... so I'm inferring you guys do not have copper piping at all ... just plastic and lead?
if you're a gas fitter you should know that MDPE is used for running mains to buildings or to cwsc tanks, not for any other purpose especially CH pipes.
This was Alex Salmon before the pies..
Superb video, thanks for sharing it.
I don't suppose you know if you need a pipe insert for the older black 25mm MDPE? Seems like a smaller hole than the new blue stuff...
Yes, you normally need a pipe insert for all plastic pipe, although with some fittings such as Push-loc fittings, you do not need an insert- www.melimatic.com/12.html
Thanks for the comment 👍
Thanks for a great video. Can I ask - are the inserts always needed? I have read that "Most water utilities say they are not needed."
It depends on the fitting.
Most fittings do require inserts, but some do not require inserts- www.melimatic.com/push-loc/
Talbot (now owned by Talis) push fit all day long for small poly.
+Andy Oneup
Not seen them before, but they look good!
Thanks for the comment
Not cheap but very useful & reliable, we've been using them on blue & black for over 15yrs. Great for tight spots and can be shimmed off if needed.
+Andy Oneup
Thanks for the info, much appreciated ;-)
Thanks for anotherbrilliant video! Just wondered if you can offer some advice : we have a stop tap on roadside from which an old pipe comes under the wall to a small stop tap on our side which is leaking. The pipe from here is just copper and i'd like to replace the leaking stop tap and copper pipe with MDPE. The incoming pipe looks like iron because it's quite rusty. We had a quote to replace everything with MDPE but it's a bit steep and I was wondering if I can simply cut the iron pipe our side then use a Philmac MDPE Universal Transition Coupler? Sadly I can't easily remove the iron pipe because it's very deep on the roadside. Appreciate your advice,, keep up the great work mate!
Can you isolate the iron pipe?
A Philmac UTC would certainly allow you to connect the iron pipe to a MDPE pipe, they are very useful and can be used to connect virtually any pipe to any other type of pipe.
Thanks for your speedy reply, i had a look this morning. The stop valve our side of wall is quite bulky, and the pipe is heavy with rust. Doubt i could remove the valve without shattering the pipe. It would probably need cutting a filing down a lot to fit the Philmac? What do you mean by isloate the iron pipe, do you dig out around it all? Unfortunately the only end i can connect anything to is next to the stop valve on our side. The iron pipe runs under a stone wall which is too thick for my arm to reach through. I would have to dig down by the roadside on other side of wall to access the other end of the pipe. Is it easy and legal to connect up to the mains? It's a large white plastic quarter turn tap at the bottom of plastic chamber, similar to this ua-cam.com/video/y1YbzsxxA9w/v-deo.html Thinking about it now, I doubt they could fit the iron directly into the mains, so there might be a short length of MDPE from the chamber to the iron with an adapter on it. If that's the case I would simply need a coupler to connect my MDPE to that short length. Does that sound possible, or could the iron connect directly to the mains? As always, a big thank you in advance!
I assumed that the iron pipe, was your supply pipe.
You can't legally connect to a pipe, if it is not yours!
When I said "isolate", I meant is there a way of stopping the water, but you have now answered that, as you have said there is a stop valve.
I think you might have to get a plumber to take a look at this one 😉
@@ultimatehandyman yep, it could be a tricky one for me sadly! The pipe only supplies our house but would prefer to remove it, because we've experienced occasional rusty looking water when none of our neighbours had it. Thanks again mate, hope all going well for you!
Can I ask an odd question but will this pipe or a 20mm pipe work to make an arch for a cloche for a raised bed.
Thank you
Hi there are these fittings more secure then compression kinds from plasson and philmac. Every plumber I spoke to said always use compression for below the ground fittings but i don’t understand why not these
I think that is just because people are not familiar with the push-loc fittings. They are made in the UK, by the same company that makes lead-loc fittings. They are rated to 30Bar pressure- www.melimatic.com/push-loc/
Whoops I think I mistyped,yes I would use the normal plastic pipe for central heating.Mistake on my part.
I assume it's the same issue in the UK - here in the states, I replaced the entire basement plumbing runs with 1/2" and 3/4" (13mm / 19mm) PEX pipe; bought it in 15m coils to save money, but after installing a number of straight/parallel runs (exposed, not hidden i a ceiling), the pipe wants to stay curved, even after relaxing the curl as much as I could. It makes the job look horrible! Since then I've purchased 3m straight sections only. Any tips for straightening a curl, or should I stick with straight pieces for exposed work, and coil for in-wall?
Jo Baecker
For that very reason I only ever get coiled pipe if it's going to be hidden under floors etc.
You can get a straightening machine for coiled copper tube, but I don't think it will work on plastic pipe.
I'd stick with the straight lengths for exposed work, someone else might know a good way to straighten coiled pipe but I don't know sorry.
Hello Sir, Can you use brass 22mm compression fittings on 20mm MDPE pipe if I use inserts..?-I know you and others might say just use the plastic ones designed for the job but in this occasion I cant..thanks in advance.
No, a 22mm compression fitting is not suitable for 20mm pipe.
You either need the correct sized fitting, or a UTC - ua-cam.com/video/_k5NS5Y-KHg/v-deo.html
Thanks for the comment 👍
Hello, Can I use this mdpe pipe outside for a cold water pipe run to my air and water machine on my garage with foam insulation to protect from frost and bursting in cold winters? Also I am thinking of using 20mm mdpe what mm foam insulation would best for it? 9mm?13mm? 0r 19mm for foam thickness?
You can use this for water, no problem at all- although it is normally buried underground. If above ground, I would use the thickest insulation I could get.
Thanks for the comment
thanks
Hello sir I've just replaced the whole length of pipe from the kitchen to the mains, from the front of the house to the water meter I've used blue 20mm mdpe, underneath the house from the front to the kitchen I've used 15mm pex shrouded in the old 20mm pipe. I now need to connect the 15mm to the 20mm how does one go about that, what is the best thing to use what push connecter do I need.
You should be able to use one of these as long as you select the 15mm to 20mm version- fave.co/2iA6Z2a
Thanks mate I've learned an awful lot watching you're videos. Plumbing isn't as daunting as I thought. Well basic plumbing. Will let you know how I get on
You are welcome.
Don't forget to use a pipe insert for both pieces of pipe ;-)
Reason connecting up this way anything else will just freeze
Help! Need to live in caravan soon for about 3 months,house im doing up has outside tap,screw thread fitting type,want to know can i connect this pipe with connector to tap then other end same into caravan ,i would of course bury pipe in ground( 2foot ?),thank you
You might be able to do it using one of these (assuming your stop tap has 3/4 inch thread)- www.screwfix.com/p/floplast-492202-mdpe-male-adaptor-25mm-x/14858 and a 3/4 inch socket - www.screwfix.com/p/female-socket-x/52588
I'm not sure how well the socket will fit onto the outside tap though, as the threads are not long on the tap, You will of course need PTFE tape ;-)
Hi Ultimate Handyman, I have a tricky situation at my property. I have lead pipe upto my property which was my previous kitchen. Now that I have extended my kitchen to the rear of the property, I have no other option but to run the pipe round the property through the outside wall. Hence can you please suggest to me what type of pipe is better to avoid pipe burst in freezing weather and also is 22mm pipe advisable as my previous pipe installation after the stop cock was 15mm pipe. Thanks
+Vijay Gutta I'm not sure about that to be honest. I think most water pipes would freeze if they are left exposed!
use 25MM blue MDPE pipe from the street to your stopcock - then use 22MM copper for the pipework INSIDE your house.
How do you actually remove a push fitting like this if you need to? Many thanks
lol, cut off the pipe.
How would I join 32mm pipe to boss waste pipe?
Here is how to fit a mechanical boss- ua-cam.com/video/CCSl3S3ebgQ/v-deo.html
You might need a boss adaptor- fave.co/3p9JwGP
you can lay it in a concrete floor or screed, but you need to run it in a chase in the floor as per BS6700
Where can you buy these fittings ?
What make is your marker pen,thanks.
Is this diff from PEX ?
Yes, MDPE pipe is used in the UK mainly for underground installations.
Its often used to supply a property with mains pressure water from the utility company.I rep[laced an old lead pipe with MDPE in this video-
ua-cam.com/video/6MWSWz3YVPo/v-deo.html
Thanks for the comment
Is this a paid promotion?
No, not at all. I do not do paid promotions, although I once made a spoof video but gave £2000 of my fee to a local lad to put towards a special wheel chair- ua-cam.com/video/lHjsencf5zg/v-deo.html
Can my plpe connect this to the mains..will I need my own stop cock outside...please help
Yes, this pipe is used to connect a house to the main water supply.
Your videos are fucking boss
hi do you know how to remove this speedfist push fit adaptor i think its one of the old range www.bunnings.co.nz/speedfit-straight-adaptor-25mm-blue_p00314837
ua-cam.com/video/UxTnt9_AJGk/v-deo.html
thanks same principal. . are you still using the one you posted in your video or is there something better these days?
I tend to use Philmac UTC's as they can be used to join virtually any pipe to any pipe- ua-cam.com/video/_k5NS5Y-KHg/v-deo.html