Hi, I need to buy a hosepipe that is 250m long. Is there somewhere that I can buy one, perhaps straight from a factory or something?
- posted
18 years ago
Hi, I need to buy a hosepipe that is 250m long. Is there somewhere that I can buy one, perhaps straight from a factory or something?
What is it for, and why such a length?. My estimation is 820ft.
Anyway you have two choices, first to make it out of standard lengths bought from a wholesaler or DIY store and use couplers. Or get a list of various makes as supplied from your local DIY store, and search the web for the contact details, and ring the sales office for price.
J
Try a farmer's store - where they sell cow pruners, sheep openers and the like. These are great fun to shop in - all manner of weirdness, and the proces are often good too (3kg of copper sulphate for a tenner!)
However 250m is _very_ long. You may need significant water pressure and you'll still get poor flow. Make sure the hose is big enough diameter. If possible, use a shorter hose with couplers - when you can, just used the short length alone.
At that length you might be better of with a larger bore irrigation piping system in ldpe - see
A cheap flexible hose that length will put up quite a bit of flow resistance.
Good luck coiling it up neatly after use. My 10m one fights enough. ;-)
There are a number of useful calculators on the web (e.g.
Andy
250m. Comparing to a 30m length of hose, that's 8 times longer. Or if a standard mains pressure is 3 bar, or 30m of water pressure, you're looking at about 4m of water pressure. About equivalent to a normal length of hose on a tap fed from a cold water tank in the house.
Probably not even that good.
I got a new 30m hose on a reel earlier this year (how _did_ I cope with all that excitement at once?!!!) & being a lazy toad & eager to use it I connected the existing hose (about 13m long, for some reason) to the input.
The flow rate drop was dramatic - one of those sprinkler gun things on the end of it went from being "very good" to "usable but not great" in an instant.
And that was with a mains feed to the cold tap & pretty decent water pressure.
The numbers are right. Flow rate depends only on pressure drop per unit length (well, apart from the fact that a hose may bulge at high pressure). Some hozelock-type connectors, especially some "stop" fittings can gramtically reduce flow rate.
Machine Mart can/used to be able to order in extra long lengths on the hoses they stock.
unless it is of substantial diameter the flow ill be very poor. Probably better to get a roll of pastic mains water pipe, and use that instead.
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