BY2GXT Type Very high Viscosity Liquid Transfer Pump

When transporting high-viscosity media, it is highly efficient, energy-saving, and has a low failure rate, and can transport extremely high-viscosity chemical materials.

This twin screw pump is suitable for conveying almost immobile liquids of various extremely viscous materials.


Stable Pressure And No Pulsation

Stable conveying pressure and constant flow rate. No pulsation or stirring medium, continuous and smooth supply.

Low noise and long life

Low vibration, no direct mechanical wear, low noise and long service life.


Excellent self-priming performance. Even if the conveyed medium has a high viscosity.

Wide Range Viscosity And Property

Convey extremely high-viscosity chemical materials and transport medium in high temperature, corrosion, etc.


The screw pump is by far one of the most ideal conveying pumps for conveying high viscosity, gas-liquid mixed, and liquefied medium.

Twin-screw pumps can completely replace the use of other products, such as replacing centrifugal pumps, sliding vane pumps, etc. for high-viscosity liquid delivery.
We know that when the viscosity of the centrifugal pump exceeds 20cSt, the efficiency drops sharply, while the screw pump still has high efficiency even when the liquid delivered reaches 1 million cSt, especially the extremely high volumetric efficiency. Therefore, the higher the viscosity of the conveyed medium, the more consideration should be given to selecting a screw pump to achieve the purpose of saving energy and reducing consumption.

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Performance Range of High Viscosity Liquid Pump:

  • Flow: 2~20 m3/h
  • Inlet pressure: -0.05~0.8 MPa
  • Outlet pressure: 0.1~4.0 MPa
  • Medium temperature: -20~200 ℃
  • Media viscosity: up to approx. 5 million mm2/s
  • Speed: 50~300 r/min

The inlet and outlet directions of the pump are in the upward and rearward (code “i”) structure.

This high viscosity liquid pump is a single-suction cantilever structure of a twin-screw pump(a type of positive displacement pump).

In this structure, the two screws of the pump do not contact each other in the bushing, and a constant gap is maintained between the tooth sides. The transmission of the two screws is completed by synchronous gears. There is independent lubrication in the gearbox, which is separated from the working chamber of the pump;

  • Application example:

Glass glue conveying in chemical industry.

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