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Why You Should NOT Buy PVC Pressure Pipe for Ponds…
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- čas přidán 11. 11. 2023
- In this video, we demonstrate and show proof of why a koi pond does not need PVC pressure pipe. PVC Pressure pipe has been designed for extremely high-pressure industrial systems, not garden ponds. We also show that all pond filters or pond pumps on the market barely get close to the 10 bar pressure limit...
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#koipond
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#gardenponds
The only thing I would say is, the range of fittings, valves etc, are not available in waste pipe plastic.
If you have a lot of pipework in a filter house, PVC gives you a wider choice and a neater job.
Yes, it can be expensive depending where you buy it but, if you want a good looking job then if definitely looks the best ! 👍
I love your honesty. Thanks. Please do more pond build videos. They are fantastic
Thanks! Will do!
Thank You for honestly telling the truth about what koi dealers are scamming us on overprice products.
I built my filter systems with regular plumbing materials at local Home Depot with a UV lights systems & my pond war we is crystal clear
No problem many thanks for the comment
Koi keeping is the same as marine reef keeping, comes with a manufacturer tax and "you must have" envy advertising, thanks for this information makes perfect sense.
Many thanks for the comment
I am not a dealer nor a plumber/engineer and I don't have your experience. All I would say is that empirically (with limited experience) pressure piping for that part of a gravity system before the filter is something I feel comfortable with. This is only because piping may get a little gunked over time and a good blast (maybe a pull-through with a strong pump) to clear things now and then seems a good idea. I'm not telling, I'm thinking aloud about something I want to last and last over many moons with minimum potential for failure. In my scenario, the run of pressure pipe (and associated extra expense) to the start of the filtration would be short.......................................Hmmmm.............Great vids BTW and this is the first time I am still wondering even if I do so with ZERO engineering figures for latent defect calcs.
Many thanks for the comment. Like I said in the video do what makes you feel comfortable but you are wasting your money on pressure cheers
Polypipe waste pipe is tested to 1 bar and manufacturers say it’ll easily cope with 1.5 bar, ABS PIPE is strong and durable and can even be driven over. Don’t confuse this with the push fit waste from diy outlets.. great work
Never used push fit only solve weld waste cheers. Thnx for the comment
Been a plumber/ heating engineer for 38 years so have some idea in the pipe work area. 👍
@RobMeacher cheers didn’t say you weren’t just said we only use solvent weld waste not push fit cheers
Great video. What pipe would you suggest for underground? i have to run pipes from a bottom drain and skimmer that will be buried?
had my 31000 oase pressure filter and 12000 liter pump installed by perfect ponds they used corrugated pipework. seems to be working fine. it would be good to see a video on winter care for your pond and fish for us new people to the hobby.
Thanks for sharing will do cheers
I used to scuba-dive, you have to go 90 meters (almost 300') deep to experience 10 bar of pressure -not that I ever dived that deep and I doubt anyone builds ponds that deep either! I still think that a PN10 pipe from a bottom drain though is so stupidly robust it is unlikely to fail even if there is some subsidance, a flimsy plastic pipe on the other hand over the years may get brittle and a bit of flex may cause it to crack. So I would spend a few extra bob for the peace of mind that any buried pipes are robust, no issues using the cheaper stuff on anything that is not sitting under the whole pond
There would only be pressure on your bottom drain pipework if there was an air gap on the other side of the pipe. If buried or in most cases cemented in there is no additional force on that piece. It’s like dropping an empty piece of pipe to the bottom of the sea, nothing will happen until you fill it with air.
Love the truth. If a pipe is good enough for your household sanitation, then it is good enough for some fish.
Thnx for the comment
Great help, thanks.
You're welcome!
Pentey swimmey 33m has a max head of 20metres and pumps at less than 50lpm at this head... so that bit was a little misleading
I'll do cold temperature tests with waste and pressure pipe and share the results, we have many more customers encounter failures in winter with waste pipe cracking in the cold, uv also degrades ABS which PVC doesn't have an issue with so long term pvc wins the time test too
Waste pipe has no pressure rating and is dedigned for open systems not closed, this is why it's reccomended as no pump fed or gravity system is closed
lol temp tests 🤣 save your self some time mate abs is made for colder weather, pressure can become brittle, it’s public knowledge mate just google it. If you leave water in any pipe it can freeze and crack
I agree with you mate, but soon as you mention the word kol...koi tax kicks in
Thnx for the comment!
what i have learned is that every 10 meters of water is 1 bar, so if you got a pond 2 meters deep you got 0.2 bar on your pipework. I dont know how the swimmingpool pump will get it over 30 meters with only 2.4 bars, but mabye somebody can explaine this to me.
If you place your pipework 2m above your pipework your pump would struggle as the head has increased because the water gets heavier the higher it goes. There’s hardly any pressure in your pipework if you place them at the same level as the water for gravity setups or slightly higher than water level for pump setups. There will be more pressure on the bottom of the walls of the pond and base if it was 2m deep but it won’t be the same pressure in the pipe work per square in as in the pond. It’s quite complicated but basically the higher you go the more pressure you get. Thnx for comment. It doesnt make any sense the 10m of water is one bar because you haven’t said the actual water volume. 10m of water in a 1 1/2” pipe is massively different to 10m of water in a 10” pipe.
@@thep0ndman this is what they learned me: P=ρ⋅g⋅h and in that case for pressure it does not mather if the pipe is 1 inch or a 1000 inch.
@@martijn6505 it does when it is above water height cheers
this video is wrong waste pipe is not abs pipe its made out of pvc yes you can by abs pipe but dont confuse that with pvc waste pipe. as for pvc pressure pipe its stronger and more resistant to uv vs waste pipe that has a thinner wall.
It’s abs: www.floplast.co.uk/soil-and-waste/abs-solvent-waste