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Found 1 result

  1. Hi everyone, Have just ordered a Laguna 2000 pump, rated at 7,600 LPH, it replaces my Tunze 3000 LPH in my 700 Ltr tank + 200 Ltr sump. It runs with just under 1.5 meter head, so expecting around 6,000 LPH throughput. Hagen/Laguna state it is suitable for 19/25/32/38 mm fittings. My intention is to make a dedicated PVC pipe return line, not wanting to risk using hose this time round, if possible. But I dont know what the 'ideal' size pipe to get. I suspect 25 or 32. Would running it with 19 or 38 place extra load on the pump? 38 seems like a lot of weight for it to lift, 19 seems like a lot of speed for that flow rate. Is their a formula to work out an 'ideal' pipe size for any given pump? It is good of Laguna to say what size pipes 'can' be used, I just wish I knew which size is 'best' to use. Any advice or tips are appreciated. Cheers.
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