30 GPM Variable Volume Control Close Coupled Pump – Tri-Rotor Model 20CPV

  • Tri-Rotor Variable Volume Control Head Pump Model 20CPV
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Tri-Rotor Pump model 20CPV, along with model 20DV, is the smallest in the family of Tri-Rotor Variable Volume Control Head pumps that provide variable flow rates.  This pump, with its unique design, allows the end user to adjust the flow rate of the pump from 0% to 100% through either the Manual Flow Control (MFC) or the more precise metering Vernier Flow Control (VFC) without changing motor speed.  The pump serves a wide range of industrial markets and applications.  Examples of the 20CPV model’s diverse applications include pumping waste oil, diesel fuel, and biodiesel.

This portable, close-coupled, double “C-flanged” mounted pump will provide years of trouble-free operation.  By properly bolting the motor feet, this unit requires no base plate and is self-aligning.

The pump is designed with side suction and top discharge threaded ports and is available in both clockwise (CW) and counterclockwise (CCW) rotations for pump installation flexibility.  Materials of construction for the 20CPV model include Iron Fitted, All Iron, Bronze Fitted, or All Bronze configurations.

Specifications of Tri-Rotor Pump Model 20CPV:
  • Flow rate:  4 to 30 GPM
  • Viscosity range:  4 to 21,625 cPs (40 to 100,000 SSU)
  • Inlet and Discharge Port size:  1-½” NPT Ports (std.) or 1-¼” NPT Ports
  • Operating temperature range:  -40 °F to 650 °F
  • Maximum operating pressure:  100 PSI
  • Pump displacement per revolution:  0.0176 gal/rev
  • Pump speed range:  240 to 1800 RPM
  • Solids passage available:  0.023 in.
Do you know your system parameters and would like us to quote the best pump model?  Please fill out the Pump Systems & Analysis Sheet.
Configure Your 20CPV Variable Volume Control Head Pump
Part Number:
20CPV
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Other Options for Pump Model 20CPV:
  • Other Materials of Construction options:
    • Shaft:  Steel (std.), Stainless Steel, or Hardened Stainless Steel
    • Piston:  Iron (std.), Bronze, or Steel
    • Body and Variable Control Head Gasket options:
      • Standard  {to 250 °F (121 °C)}
      • Heat Resistant  {to 650 °F (345 °C)}
  • Shaft length:  “CFM” (3-15/16”)
  • Shaft seal:  Type 68 Mechanical Seal – Viton  {-40 °F to 300 °F (-40 °C to 150 °C)}
  • Variable Control Head Spring options:
    • Standard  {to 35 PSI}
    • Heavy Duty  {to 100 PSI}
  • Shuttle design:  Formed Shuttle only
  • Relieved Rotor Group (for higher viscosities: >10,000 SSU/2,150 cPs)
  • Sanitary Preparation of pump internal components for food applications
  • Lubrication:  None required (lubricated for life)
  • Exterior Protection:  Orange Paint (std.), Black Paint, White Lacquer, or 316SS Epoxy Coating
The bare weight of the pump is approximately 25 lbs.  The estimated shipping weight is 30 lbs.

Besides offering just a bare pump only for the Model 20CPV, Tri-Rotor offers a complete mounted pump system, including motor drive assembly and mounting.  Replacement parts for all Series 20CP pumps can be found here.