G Series Helical Gear Pumps

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

Performance and Specifications

  • 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)

Part

Casing

Rotors

Shaft

Material

Cast Iron

Cast Iron/Hardened

Extra High-Tensile Alloy Steel

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