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Gorman Rupp 3” x 2” Roto-Prime Petroleum Pump

$4,535.60$7,045.82

Suction 3″ (80 mm)
Discharge 2″ (50 mm)
Solids Handling 0.25″ (6 mm)
Casing Cast Steel/ Iron
Impeller/Rotor Aluminum
Seal Material Carbon/Ni-Resist
Flange ASA
Drive Type Basic
$5,800.00 $4,535.60
$9,010.00 $7,045.82

Description

These pumps feature our positive priming system that allows the pumps to run dry continuously without causing damage. The priming system virtually eliminates leaks, reducing environmental concerns and giving the unique capability to operate under flooded-suction staging conditions.

Roto-Prime priming-assisted centrifugal pumps are specifically designed for pumping petroleum products, petrochemicals and solvents. The Roto-Prime design incorporates a variable capacity vane pump which quickly and automatically evacuates air and vapor, making the pump ideal for loading and off-loading transports and stripping hoses.

Roto-Prime pumps are actually two pumps in one: a variable capacity vane pump used during the priming cycle, and a standard centrifugal pump to move the liquid. Whenever air or vapor is present at the start of the pumping operation – or when there is a loss of suction because of air or vapor during pumping – the priming pump automatically moves air and vapor from the suction line to discharge line. Once the flowing liquid from the centrifugal portion of the pump builds up sufficient pressure in the discharge system, the pressure backs up through a tube to act on the bottom of the priming pump’s movable slide block, placing it in a neutral position during normal operation.

PUMP SPECIFICATIONS

  • Size: 3” x 2” (76 mm x 51 mm) Flanged.
  • Casing: (RS2A32‐B) Cast Steel 70‐36/ (RS2A31‐B) Ductile Iron 65‐45‐12. Maximum Operating Pressure 48 psi (331 kPa).*
  • Enclosed Type, Four Vanes Impeller: Aluminum 356‐T6.
    Handles 1/4” (6,4 mm) Diameter Spherical Solids.
  • Impeller Shaft: Steel 1045.
  • Rotor: Copper Alloy C93200.
  • Bearing Housing: Ductile Iron 65‐45‐12.
  • Bearing Housing Lubrication: Grease.
  • Body Cover: (RS2A32‐B) Cast Steel 70‐36 / (RS2A31‐B) Ductile Iron 65‐45‐12
  • Center/Spacer Plate: (RS2A32‐B) Cast Steel 70‐36 / (RS2A31‐B) Ductile Iron 65‐45‐12
  • Radial Bearing: Permanently Sealed Single Row Ball Type.
  • Thrust Bearing: Permanently Sealed Single Row Ball Type.
  • Gaskets: Vegetable Fiber, PTFE and Cork.
  • Priming: Rotary Vane Type with Built‐in Spring‐Loaded Priming Assist Valve.

Additional information

Weight 169 lbs
Dimensions 17 × 16 × 14 in

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