Turbine Flow Meters for Pharmaceutical Applications (HM-TRI)

  • Measuring ranges:
    0.3 to 400 l/m
  • Viscosity: 
    0.1 up to 100 mm²/s
  • Linearity:
    ±2 % of actual value
  • Pressure:
    up to 16 bar 
  • Fluid temperature:
    –25 up to +150 °C
  • Repeatability‚Äč:
    ± 0.1%  
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For sanitary and purity reasons HM…TRI turbines have the following features:


Thread less tube fittings type „Tri-Clamp“as per DIN 32676

Special construction eliminating dead spots

Slide bearing with lateral bores to enable flush processes


Short response time (> 50 ms)

Dynamic measuring system

Different internal nominal diameters

Non-threaded pipe connections

Pressure: as per DIN 32 676

Design without dead space

Slide bearing of PTFE with possibility of flushing

General Specification
Measuring ranges 0.3 to 400 l/m
Viscosity range 0.1 up to 100 mm²/s
Linearity ±2% of actual value
Pressure Up to 16 Bar
Repeatability  0.1 % 
Accuracy Up to 0.1%

As per DIN 1.4571 (AISI 316 Ti)

Internal parts As per DIN 1.4571 (AISI 316 Ti)
Wheels As per DIN 1.4460 (AISI 329)
Bearings PTFE
Medium temperature -25 to +150°C (higher temperatures on request)


Tap and demineralized water


Liquefied gases

Pharmaceutical liquids

Fuel oil


Hydraulic oil