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Rotary Gear Pump Head, 3/4 In., 1 HP

Price $337.50 / each

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  • Item # 4KHJ8
  • Mfr. Model # 4KHJ8
  • UNSPSC # 40151551
  • Catalog Page # 3783
  • Shipping Weight 10.0 lbs.
Country of Origin IndiaCountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemRotary Gear Pump Head
  • Duty RatingLight
  • DesignPedestal
  • Pump Body MaterialCast Iron
  • Port Size3/4"
  • Pump RPM1725
  • Temp. Range-20 Degrees to 210 Degrees F
  • Max. Pressure100 psi
  • Max. Viscosity550 SSU
  • GearSteel Spur
  • Length5-1/4"
  • Width5-3/4"
  • Height4"
  • O-Ring MaterialViton
  • Relief ValveWithout
  • SealViton Lip
  • Shaft Dia.0.63"
  • Shaft Height3-9/16"
  • Shaft MaterialSteel
  • GPM @ Freeflow20.6
  • HP @ Free Flow1-1/2
  • GPM @ Freeflow @ 1725 RPM20.6
  • HP @ Free Flow @ 1725 RPM2 1/9
  • GPM @ 20 PSI19.6
  • GPM @ 25 PSI20.5
  • HP @ 25 PSI1-1/2
  • GPM @ 40 PSI19.4
  • GPM @ 50 PSI20.3
  • HP @ 50 PSI2
  • GPM @ 60 PSI19
  • GPM @ 75 PSI20.2
  • HP @ 75 PSI2
  • GPM @ 80 PSI18.5
  • GPM @ 100 PSI19.8
  • HP @ 100 PSI2
  • Suction Lift15.2 ft.
  • Suction Lift @ 1725 RPM15.2 ft.
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Compliance and Restrictions



Dayton rotary gear pump features self priming and positive displacement, designed to handle high viscous fluids. The rotary gear pump is used in wide variety of applications including industrial, agricultural, marine, domestic, and commercial apartments. In addition to being bidirectional, the cast iron pump is designed to handle oil-based fluids, not used with water-based fluid. The pump can be used for low speed operation and pulseless flow.

Repair Parts

Displaying repair parts for model:
  • 4KHJ8

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