are these on sale in the UK?

Discussion in 'Filters, Filtration and Pumps' started by JamieH, 27 Jun 2008.

  1. JamieH

    JamieH Member

    27 Apr 2008
  2. zig

    zig Member

    4 Jul 2007
    Dublin Ireland
    Bet all those right angles on the piping curtail the flow of water. Although I do like the double intake section on that unit with the 2 strainers, I believe the more surface area for the inlet pipes the better as this will help maximise flow intake IMHO. Only a theory on my behalf but I bet its not too far off the mark without having tested it.
  3. Ed Seeley

    Ed Seeley Member

    3 Jul 2007
    Ehiem do an intake/outlet set that are modular but not quite the same. I agree with Zigs' comments though about the bends. A recent test done in a Koi Magazine (Koi Nations) found that swept 2" bends gave a 12% improvement in flow when compared to 90 degree 'knuckle' bends. 12% is a big difference IMO and it makes me think about how much we restrict flows in tanks and ponds. I have to admit I'm looking at my pond filter return with an eye towards being more efficient.

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