Twin screw pumps - get to know everything about this pump type

What are twin screw pumps?

Twin screw pumps are positive displacement pumps with rotating 'screws' which rotate in each other contactlessly so that the liquid is displaced in the axial direction.

Screws

A twin screw pump has two screws that interlock contactlessly, creating closed spaces between the screws. The contents of these spaces are constantly moving in axial direction from the suction side to the pressure side.

The fluid constantly moves through the twin screw pump without loss of lubrication or turbulence.

Screws

Constant, pulsation-free liquid flow

The rotating screws ensure a constant, pulsation-free liquid flow. Twin screw pumps are very suitable for pumping low and high viscous liquids without solid components.

Technical specifications of twin screw pumps

Maximum capacity 200 m3 / h
Maximum temperature 130 ° C
Viscosity from 0.5 to 1,000,000 mPas
Delivery pressure max. 30 bar

Twin screw pumps: for which applications?

A very high speed range makes it possible to pump a very wide range of different media or cleaning liquids.

In addition, it is possible to empty product-filled pipes with the relevant cleaning liquid due to the high pressure up to 30 bar.

High rotation speeds during cleaning work ensure a self-cleaning effect of the pump. The design of twin screw pumps makes it the ideal pump for hygienic applications.

Media in which twin screw pumps are used:

  • Alcohol
  • Flavors
  • Beer
  • Creams
  • Protein
  • Paint
  • Fat
  • Liquid sugar
  • Gelatin
  • Glycerine
  • Honey
  • Glue
  • mayonnaise

The benefits and features

  • Suitable for pumping product as well as for cleaning
  • Self-priming
  • Low life cycle costs
  • constant pulsation-free liquid flow
  • Excellent price / performance ratio
  • Suitable for low and very high viscosity (1cP to 1,000,000 cP)
  • Very suitable for fragile and shear sensitive products
  • Low NPSH required
  • Very low noise level
  • Extremely suitable for pumping gaseous liquids

Which hygienic twin screw pumps does Inventflow supply?

We supply Hilge and Wangen twin screw pumps. The twin screw pumps are part of our hygienic pump solutions for the food, pharmaceutical and cosmetic industries.

The screw spindle pumps have been developed according to the highest hygienic guidelines 3A and EHEDG and can be cleaned CIP (Cleaning in Place) and SIP (Sterilization in Place).

Everything about twin screw pumps
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