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pump pressure on a solo backpack sprayer

Discussion in 'Pesticide & Herbicide Application' started by grassmasterswilson, Mar 22, 2010.

  1. grassmasterswilson

    grassmasterswilson LawnSite Platinum Member
    from nc
    Messages: 4,968

    Any idea what the pump pressure is on a solo backpack sprayer? I usually walk and constantly pump. Got a few laws that must be treated that way. What nozzles are you guys using in the back packs? Floodjets?
  2. RigglePLC

    RigglePLC LawnSite Fanatic
    Messages: 13,727

    Depends on how fast you pump. Why not install a pressure guage. or a pressure regulator valve? It is best to keep the pressure low and the mix at a high concentration--so you can cover more ground per tank. Add a gallon of water and spray cement to find out how many sqft you cover with one gallon.
  3. Scott's Lawn Maintenance

    Scott's Lawn Maintenance LawnSite Senior Member
    Messages: 326

    If I am not mistaken the solo backpacks have a pressure adjustment that you can make by turning a regulator on top of the pump inside the tank . They are numbered 1,2,3,4, 1=15 psi ,2=30 psi, 3=45 psi , 4=60 psi .

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