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piston pump vs. centrifical

Discussion in 'Pesticide & Herbicide Application' started by sirsweatsalot, Mar 31, 2003.

  1. sirsweatsalot

    sirsweatsalot LawnSite Senior Member
    from MN
    Messages: 296

    im in the process of building my stray tank (just for lawns) and im trying to figure out why all the pre made skid set ups come with a piston pump that put out like 400 psi, you really don't need that much preasure nor would it be advised. how many of you run a centrifical pump? do you use a gear reduction on the pump or get like a honda motor with the 6:1 gear reducer?
  2. Thats because they don't use piston pumps they use diaphragm pumps.

    I use diaphragm pumps, run them on low pressure.

    Centrifugal has to many limits on what you can run threw them.

    Gear reduction yes.
  3. TSM

    TSM LawnSite Senior Member
    from MA
    Messages: 707

    I like (and use) diaphram pumps myself.

    But the new skid mounted setups are coming out with piston pumps rather than the diaphragm.
  4. sirsweatsalot

    sirsweatsalot LawnSite Senior Member
    from MN
    Messages: 296

    LGF so you mean on the pump or on the motor for that reduction? or don't you think it makes a difference?
  5. Reduction can be done many ways;

    Gear on engine

    Pully system

    Gearbox on pump

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