Variable area flowmeters SITRANS F VA 250


The SITRANS F VA 250 variable area flowmeters (rotameter)  with a standard length of 250 mm (9.84 inch) and their completely metal design can be used to measure many different types of liquids and gases passing through closed piping. The robust design of the rotameter means that they can also be used in harsh conditions. Different types of flanges, liners and float materials satisfy the requirements of the pharmaceutical and chemical industries.  

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  • Standard design available at short notice

  • Robust all-metal fitting with impact-resistant housing cover

  • Can also be used for corrosive and flammable media

  • Use possible at high pressures and temperatures

  • Product and percentage scales

  • Can be optionally fitted with heating and cooling sheaths

  • Contamination-insensitive guiding of float 


 Ambient Temperature
From -40 to 80 °C
 From -40 to 176 °F
 ± 1.6% for liquids
 ± 2.0% for gases
EN 1092-1
Stainless steel 1.4404/1.4571
 Stainless steel 1.4404/1.4571  
Enclosure Ratings
 IP 65
 IP 66

Variable area flowmeters application examples: Chemical industry, Water, Power generation and distribution

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Any medium, any pipe size - SITRANS F has you covered

Monitoring your processes with accurate flow measurement leads to higher transparency, improved productivity - and a better bottom line. To optimize every operation, Siemens offers a comprehensive selection of flow sensors and transmitters as well as complete flow systems across all technologies, including electromagnetic, Coriolis, ultrasonic, vortex, variable area, rotary piston and differential pressure.

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