Variable-area flow meter M21 series
for liquidsfor gasfor steam

variable-area flow meter
variable-area flow meter
variable-area flow meter
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for liquids, for gas, for steam
Other characteristics
analog output, low-pressure, metal tube, in-line, top-mounted, stainless steel
for water treatment, industrial, for the food industry, sanitary, for the pharmaceutical industry
Process pressure

16 bar, 40 bar (232.06 psi)

Process temperature

Max.: 200 °C (392 °F)

Min.: -20 °C (-4 °F)

Volumetric flow rate

Max.: 1,000 l/h (264.2 us gal/h)

Min.: 0.4 l/h (0.1 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 Accuracy: +-4% f.s. Connections: ¼” … ¾” BSP, NPT Sanitary connections DN10 … DN25 Materials: EN 1.4404 (SS 316L)


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.