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  • Inlet Hose length

    Well, we've got a bit of a debate happening here in the brewhouse. One of the brewers thinks that a shorter an inlet hose (5 ft), the better it is for the pump as it is meant to push not pull. The other two of us think that it is perfectly fine to use a 20 ft hose as an inlet thus not needing to drag the pump around the brewhouse as much. To settle this, we've turned to you. Thoughts?
    Cheers
    Jon Berens
    Neptune's Brewery
    Livingston, MT
    Cheers
    Jon Berens
    Owner/ Head Brewer
    Neptune's Brewery
    Livingston, MT
    jon@neptunesbrewery.com

  • #2
    Sorry. He/she is right.

    Shorter is better. Bigger is better. Pumps ARE meant to push. You could do some research on your pump to see what your NPSH is. Besides, short hoses keep the floor less cluttered. Easier to clean and less of a trip hazard. Move the pump to where you need it.
    Phillip Kelm--Palau Brewing Company Manager--

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    • #3
      The longer the hose, the more resistance to flow. Its not a huge deal on the output because you are putting the fluid under pressure, on the input you are putting the fluid under vacuum. This will reduce the boiling point and can lead to pump cavitation if the vacuum goes to high. This is why it is always recommended to have a larger inlet and as short of runs as possible. Also, if you are pumping carbonated beer, it can cause the carbonation to come out.

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      • #4
        Inlet--suction--hose for a pump should be the dia. of the pump inlet or larger, and as short as practical. Cavitation can result from a restricted inlet, and cavitation can eat a pump in a very short time.
        Timm Turrentine

        Brewerywright,
        Terminal Gravity Brewing,
        Enterprise. Oregon.

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        • #5
          Suction Side Hose Length

          The best rule of thumb is try to match the inlet size of the pump with the hose size on the suction hose, second, use the shortest possible length of hose. This is more to do with cavitation that can happen when the pump is being starved from suction hose that is to small in size (ID) and/or too long. Caviation is when you hear pinging noise coming from the pump, this will cause premature wear on the seals as well. The discharge hose can be longer and sometimes smaller than the outlet of the pump however I would always try to stay with matching hose size to port size. Hope this helps.

          Tony













          Originally posted by KingNeptune View Post
          Well, we've got a bit of a debate happening here in the brewhouse. One of the brewers thinks that a shorter an inlet hose (5 ft), the better it is for the pump as it is meant to push not pull. The other two of us think that it is perfectly fine to use a 20 ft hose as an inlet thus not needing to drag the pump around the brewhouse as much. To settle this, we've turned to you. Thoughts?
          Cheers
          Jon Berens
          Neptune's Brewery
          Livingston, MT
          Your CPE Systems Team!
          CPE Systems Inc.
          800-668-2268
          CPEsystems.com
          Thinkpumps.com
          sales@cpesystems.com

          Comment


          • #6
            Thanks for the feedback

            Thanks for all of the feedback. Guess the smarty pants was right.
            Cheers
            Jon Berens
            Owner/ Head Brewer
            Neptune's Brewery
            Livingston, MT
            jon@neptunesbrewery.com

            Comment

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