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  1. #1
    Platinum Member Beltzington's Avatar
    Join Date
    Oct 2008
    Posts
    635
    Location
    Appling, Georgia
    Tractor
    JD 3720

    Default Pump - Trash or Semi-Trash

    Found what seems to be a good buy on CL for a 3" Semi-Trash pump from NorthStar.

    Primary use would be pond draining, silt removal and possibley watering from the pond.

    Other then the slightly larger "trash" size (only 1/2" differance) between the two pumps are there any other considerations? TIA

    NorthStar Extended Run Semi-Trash Pump — 3in. Ports, 15,850 GPH, 3/4in. Solids Capacity, 200cc Honda GX200 Engine | Engine Driven Pumps | Northern Tool + Equipment

  2. #2
    Member
    Join Date
    Oct 2012
    Posts
    38
    Location
    Red Deer, Ab
    Tractor
    Minneapolis, Farmal, Tafe, homebuilt

    Default Re: Pump - Trash or Semi-Trash

    As far as I know, the trash pumps will pass a larger solid than a semi trash. The ability to pass such objects is traded off for effective pumping - a semi trash should have slightly higher discharge pressure and rate than the same size trash pump all else being equal. Either pump should have seals capable of service in dirty or silty water - unlike a common water pump.

    High dollar trash and semi trash pumps may also have abrasion resistant lining on the inside of the housing rather than bare cast iron.

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