variable-area flow meter / for liquids / for gas / for steam
M21 series TECFLUID



  • Technology:


  • Fluid:

    for liquids, for gas, for steam

  • Other characteristics:

    with analog output, low-pressure, metal tube, in-line, top-mounted, stainless steel

  • Applications:

    for water treatment, industrial, for the food industry, sanitary, for the pharmaceutical industry

  • Process pressure:

    16 bar, 40 bar (232.06 psi)

  • Process temperature:

    Min.: -20 °C (-4 °F)

    Max.: 200 °C (392 °F)

  • Volumetric flow rate:

    Min.: 0.4 l/h (0.1 us gal/h)

    Max.: 1,000 l/h (264.2 us gal/h)


Variable area metal tube flowmeters for low flows of liquid, gas and steam.

Metallic construction. High performance measurement under extreme working conditions of temperature and pressure. Indication by means of magnetic coupling, low pressure drop and float damping mechanism for gas service. Flow measurement in vertical pipes.
Application areas

Suitable for all kind of industries for low flow measuring.
Technical specifications

Suitable for vertical upwards flow

Indicator housing in aluminium. Available in SS 316L on request

Measuring ranges:
0,4 l/h … 1000 l/h H2O
12 Nl/h … 30 Nm3/h air

+-4% f.s.

¼” … ¾” BSP, NPT
Sanitary connections DN10 … DN25

EN 1.4404 (SS 316L)