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Fluidyne Control System (P) Ltd

Acid Flow Meter

Acid Flow Meter

Business Type : Manufacturer, Exporter

Product Details

Technology Positive Displacement with oscillating piston
Accuracy ± 0.25% of reading
Repeatability ± 0.01% of reading
Pipe Size 6mm - 80 mm
Flow Rate Compatibility 3-30,000 Litres per Hour
Output Signal Options Data on cloud services RS485/Modbus 4-20 mA Data on Mobile Phone
UI LCD with backlight LCD without backlight
Flowmeter Construction Aluminum LM04 SS 304

Preferred Buyer From

Location Worldwide

The Configuration of Acid-resistant Flowmeters

Flow meters to measure the flow of strong hot corrosive acids like sulfuric acid and hydrochloric acid have always been a challenge. The combination of acid-resistant tantalum surfaces with high-performance flow meters solves this problem and creates the most corrosion-resistant flow meters available to the industry.


By stopping the corrosion of critical surfaces in differential flow meters, sensitive measurements can be obtained and made reliable.


The acid-resistant flowmeters provided by Fluidyne are explicitly built for monitoring acid flow, as regular meters couldn't survive like sulfuric and hydrochloric acids. They are the most corrosion-resistant meters available in the industry.



  • Unobstructed flow without moving parts
  • No added pressure drop
  • Typically flow profile insensitive, just short inlet and outlet parts needed
  • Unchanged by shifts in temperature, viscosity, density, concentration, as well as electrical conductivity
  • A convenient choice for chemically corrosive or abrasive measuring liquids
  • Unaffected by contamination and coatings and low maintenance
  • A linear correlation between flow rate and measured variable



Acid flowmeters are advised for application along with acids or chemically aggressive liquids. Titanium dioxide is a compound used in the making of paints, certain plastics, cosmetics, etc., and is treated either with chlorine or sulfates.


Hydrofluoric acid is an aggressive chemical used in creating Teflon. Acid flowmeters used along with this highly corrosive liquid must be lined with specialty plastics like in our flowmeters. Fluidyne supplies acid-resistant flow meters to regulate the flow of strong corrosive acids like sulfuric acid, hydrochloric acid, and nitric acid while also measuring weak organic acids like acetic acid, formic acid, etc.



The Fluidyne acid flowmeters are based on the time-tested oscillating piston mechanism. A single moving component in the assembly ensures extremely reliable operation for long periods. Use of state of the art solid state magnetic sensor, ultra-low powered electronic sensors, provides for all the simplicity of a mechanical P.D. meter and the reliability of electronic sensing and read outs. The acid flowmeter comes with inbuilt 149 micron SS mesh reusable filter element

  • Wide operating flow range of 3 to 24,000 LPH
  • Maximum operating temperature – 150 °C
  • Guaranteed accuracy of ±0.5% of reading
  • Low-pressure drop allows gravity head operation
  • Does not require external power source due to self-powered electronics
  • Built-in high-capacity reusable wire mesh filter
  • Choice of certified weatherproof and flameproof enclosures
  • S.S. Hastelloy and durable plastic moving parts option builds to suit corrosive liquid

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