G pump series

G pump series


Screw pumps with enlarged inlet funnel and lead screw.

  • Max. capacity: 40 m3/hr
  • Max. capacity: 667 l/min
  • Max. capacity: 40000 l/hr
  • Max. discharge head: 480 m
  • Max. pressure: 48 bar



This series is ideal for pumping very viscous, sticky liquids. The enlarged inlet funnel with straight walls ensures that the liquid easily flows into the pump and then a the lead screw pushes the liquid into the rotor casing chamber. The large inlet funnel with straight walls ensures that no bridging can occur.

Depending on the liquid to be pumped, and the desired pressure, there are various kinds of rotors and rotor casings available in various constructions and kinds of material. For the mechanical seal there are also a lot of possibilities, including various materials for a gland seal, or single mechanical seal with, if necessary, a grease or oil chamber or a flushed double mechanical seal in various material combinations. For the housing you may choose from cast iron, stainless steel AISI 304, AISI 316 or special alloys.

The pumps are supplied with a relatively long drive shaft with 2 cardan joints in which the rotation of the angle is kept as small as possible which improves th lifetime.

The pumps are available with a motor/gearbox that has a fixed speed, a motor with a mechanically variable speed or a variable frequency control which enables the speed to be controlled electronically.



  • Cast iron
  • Hastelloy
  • Stainless steel AISI 316

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