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Ebsray® designs and manufactures a comprehensive program of positive displacement and regenerative turbine pumps for a wide range of industrial applications.

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Ebsray G Series Helical Gear Pumps Ebsray G Series Helical Gear Pumps Ebsray G Series Helical Gear Pumps Ebsray G Series Helical Gear Pumps Ebsray G Series Helical Gear Pumps Ebsray G Series Helical Gear Pumps

G Series Helical Gear Pumps G25

Ebsray® G Series Model G25 Helical Gear Pumps are designed and precision built for high-flow/high-pressure transfer of bitumen, asphalt, and bitumen products in mobile and fixed applications. These helical pumps handle a range of product viscosities and temperatures and are available in different sizes/capacities.

G25 helical gear pumps are manufactured under strict guidelines and procedures and are run tested prior to shipment in order to ensure performance in accordance with pump specifications. These high standards allow G25 helical gear pumps to provide a long and trouble-free service life while handling bitumen and asphalt.

Features and Benefits

  • Hardened helical-cut gears for extended service life
  • Internal or external tank mounting
  • Reversible rotation
  • Low maintenance
  • Extra heavy-duty build - excellent service life
  • Simple design for ease of maintenance
  • Excellent self-priming capability
  • Enlarged inlet porting
  • Balanced hydraulic axial thrust
  • High temperature shaft packing
  • Pulse-free operation
  • Shaft design options available to order 


  • Road spraying/road tankers
  • Recirculation
  • Road and rail tanker loading/unloading
  • Bulk transfer
  • Bitumen blending plants
  • Cutback and emulsion duties


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Performance Data

Performance Data (50 Hz)
Max. Flows 1,260 L/min (333 gpm)
Max. Differential Pressure 20 bar (290 psi)
Max. Viscosity 1,000,000 cSt
Temperature -25°C to 280°C (-13°F to 536°F)

Technical Data

Pump 94 kg
Part Material
Casing Cast Iron
Rotors Cast Iron/Hardened
Shaft Extra High-Tensile Alloy Steel
Inlet -
Discharge -