Sprayer Question

Anonymous-0 · Sep 20, 2010

I posted this on Friday but evidently the moderator must have thought it was a post about a hand gun and not a pesticide gun for a crop sprayer. Has anyone tried to use a spray gun with a four roller pump? The one in question comes from Northern Tool its a turbo spray gun. Rated for 250 PSI. I was wondering if it would even work with a roller pump.

Ron Anderson · Sep 20, 2010

You won't get that much pressure with a roller pump.

ldj · Sep 20, 2010

Hummmm, I thought a roller pump had lots of pressure. In fact I thought if you shut off the nozzle, something would give, either busted hose or belt slip, engine stall. Maybe I'm wrong.

thurlow · Sep 20, 2010

An ag-use 4-roller pump will proabably pump 5-8 gpm with around 150 maximum psi. Some high end roller pumps might pump 350 psi. A piston pump will make lots more pressure.

GeneMO · Sep 20, 2010

Ron, afraid you are wrong on this one. Roller pumps put out lots of pressure, but not that much volume. Centrifigal pumps are the opposite.

I think a 4 roller, ag pump on a 540 PTO is capable of 120 psi.

Gene

JDseller · Sep 20, 2010

Your rolller pump more than likely will not go to 250 psi but should get to 100-125 psi. Just make sure you have a relief valve in the pressure side.

Sprayer Question

Anonymous-0

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Ron Anderson

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ldj

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thurlow

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GeneMO

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JDseller

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