Dayton 3YB43


Pump, Roller Spray

3YB43 77891
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$274.48 + 3 Business Day Shipping $14.95

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ConstructionCast Iron
Shaft Dia. (In.)15/16
Length (In.)6-13/16
Width (In.)6-5/8
Height (In.)5-15/16
GPM @ 0 PSI12.018.322.5
GPM @ 50 PSI11.117.522.0
GPM @ 100 PSI10.316.921.3
GPM @ 200 PSI8.615.520.0
GPM @ 300 PSI7.113.718.0
HP @ 0 PSI0.330.891.56
HP @ 50 PSI0.741.261.78
HP @ 100 PSI1.251.952.53
HP @ 200 PSI2.263.404.2
HP @ 300 PSI3.304.906.10
Suction Lift (Ft.)Self Priming, Up to 3 Feet Head
Housing MaterialCast Iron
Inlet/Outlet NPT (In.)3/4 F
RotationCounterclockwise, Facing Pump Shaft
DesignA Scoopless Rotor, Provides Improved Priming with More Volume at Higher Pressures, while Prolonging Roller Life
For Use With Water Soluble Chemicals, Abrasive Wettable Powders and Emulsifiable Concentrates
CharacteristicsSuper Rollers do not Swell in Water and Maintain their Performance when Exposed to Chemical Carriers such as Xylene
Application For Use with Nonflammable Liquids such as Liquid Fertilizers, Insecticides, Herbicides and Soil Fumigants Up to a Maximum Temperature of 140 Degrees Fahrenheit
Includes Super Rollers, Viton Shaft Seals and Double Sealed Heavy Duty Ball Bearings
Weight 12.850000


Roller Spray Pump, Number of Rollers 8, Shaft Diameter 15/16 Inch, Construction Cast Iron, Length 6 13/16 Inches, Height 5 15/16 Inches, Width 6 5/8 Inches, 3/4 Inch Female NPT

Intermittent-Duty Roller Pumps
  • Pumps do not swell in water and maintain performance with chemical carriers such as xylene. Counterclockwise pump rotation (facing pump shaft) can be easily reversed for gas engine drivers. (Gas engines must be gear-reduced or belt-driven down to desired pump speed.) Ni-Resist alloy offers better corrosion resistance than cast iron, while SilverCast custom alloy provides corrosion resistance with harsh chemicals such as herbicides. All pumps have Super Rollers, Viton shaft seals, and double-sealed, heavy-duty ball bearings. 4-roller models also include drivers. 6- and 8-roller models adapt to tractor power take-offs. 3YB55 and 3YB56 have polypropylene rollers. For agricultural and lawn/garden chemical spraying, as well as various chemical transfer applications with nonflammable liquids, such as liquid fertilizers, insecticides, herbicides, and soil fumigants. See ads on this page for PTO quick couplings and roller kits.
  • 4-roller models are coupled to a 12VDC motor Self-priming suction lift up to 3-ft. head Max. fluid temp.: 140 F 3/4" FNPT inlet and outlet side ports

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