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RS series helical screw geared flow meters

Manufactured to exacting standards for performance and accuracy thats unmatched the RS Flow meters offers high degree of precision that is separate of the viscosity. Whether its low viscosity oil or a thick resin, these positive displacement meters are the ultimate solution for precision flow measurement. With thousands of possible options for size bearings, tolerances, materials, coatings, electronics, resolution & ATEX, there will be an option to suit even the most demanding applications.


  • High degree of precision that is mostly independent of viscosity
  • Pulsation-free measurement
  • Lowest pressure losses
  • Short response time due to innovative rotor profile and reduced mass
  • Low Noise in relating to circular gear
  • Gentle fluid measurement

Technical Specification:

  • Flow range: Flows from 0.5 l/min up to 3000 l/min across 4 different size models
  • Max pressures: Up to 450 bar
  • Measurement Accuracy: ±0.5% (±1% in upper range) of measured with viscosity of> 21 cst
  • Repeatability Accuracy: ±0.05% with same operating conditions
  • Materials: Gray Cast Iron & Stainless Steel
  • Protection Class: IP65