A Coriolis flow meter is a device used to measure the flow rate of a fluid, such as a gas or liquid, in a pipe or conduit. It operates on the principle of the Coriolis effect, which is the apparent deflection of moving objects when viewed from a rotating reference frame.
In a Coriolis flow meter, the fluid flows through a tube that is oscillated back and forth by a driver unit. As the fluid flows through the oscillating tube, it causes a phase shift in the oscillation of the tube, which is detected by the mass flow sensors. By measuring this phase shift, the Coriolis meter can determine the mass flow rate of the fluid, which is independent of its viscosity, temperature, and pressure.
Coriolis flow meters are widely used in various industries, such as oil and gas, chemical, and food processing, due to their high accuracy, repeatability, and ability to handle a wide range of fluids, In year 2023, Coriolis mass flow meters have received increasing attention, and for more complex applications and higher accuracy measurements enquire the use of Coriolis meter.
Due to the outstanding advantages of Coriolis mass flow meters, more and more users are purchasing Coriolis meter. Here are the top 10 best Coriolis mass flow meters for year 2023.
Classic Coriolis mass flow meter with nominal diameters ranging from DN3 (1/8”) to DN250 (10 inch), U-shaped tube design, excellent and stable performance, has been put into the measurement market for more than 30 years. It can measure various complex media and is often used as paint flow meter, ultra-low temperature nitrogen flow meter, syrup flow meter, palm oil flow meter, mud flow meter, liquid ammonia flow meter Slurry mass flow meter, high viscosity mass flow meter, greases flow meter,flow measurement of Dichlorosilicon dihydrogen; Trichlorosilane; Silicon tetrachloride; Water and a very small amount of silicon powder; SiHCl3, SiH2Cl2, SiCl4, Low boiling; Azeotropic; Triple A; Methylsiloxane; DMC dimethyl carbonate., etc, in year 2023 ,there is obviously demanding request for the classic Coriolis flow meter.
A sanitary Coriolis flow meter is a type of Coriolis flow meter designed for use in applications where hygiene and cleanliness are critical, such as in the food, beverage, pharmaceutical, and biotech industries. These mass flow meters are constructed with materials that are suitable for use in sanitary environments and can be easily cleaned to prevent contamination of the process.
Also sanitary mass flow meter should be in a hygienic process connection, such as tri-clamp or Food Industry fitting DIN11851, etc.
Sanitary Coriolis flow meters can measure the mass flow rate and total mass flow in a wide range of fluids in a hygienic and accurate manner. These flow meters are commonly used in applications such as:
Food and beverage production: Sanitary Coriolis flow meters are used to measure the flow rate and mass of various food and beverage products, such as milk, beer, and wine, palm oil; starch lotion; syrup flow meter; fruit juice; peanut oil; yogurt, chocolate flow meter, molasses fow meter ,edible oil for daily use; food essence; alcohol , Fermented milk products (kefir, fermented baked milk, sour cream, milk) during processing and packaging.
Pharmaceutical and biotech production: These flow meters are used in the production of pharmaceuticals and biotech products, such as trimethylamine; medicinal liquid; enonitrile aldehyde; cyclopentadiene; hydrogen peroxide solution; VC; pure water vaccines and drugs, to measure the flow rate and mass of liquids.
Personal care product manufacturing: Sanitary Coriolis flow meters can be used to measure the flow rate and mass of liquids used in the production of personal care products, such as shampoos and lotions.
Chemical processing: These flow meters can be used in chemical processing applications to measure the flow rate and mass of chemicals and other liquids.
In addition to flow rate and mass measurements, some sanitary Coriolis flow meters can also provide additional measurements, such as concentration, density, viscosity, and temperature, which are useful for process control and monitoring.
Coriolis flow meters are often used to measure bitumen due to their ability to accurately measure highly viscous fluids, such as bitumen. Asphalt is a dense, highly viscous liquid (even under 135 degree C temperature, the viscosity can be around 699 Cst) that can be difficult to measure using traditional flow meters. Also bitumen measurement is often under very high temperature, such as 160-180 Celcius , Coriolis mass flow meter can be made into high temperature construction to bear that high temperature. Under such high temperature of bitumen , users often need have some heating jacket over the flow meters, jacked mass flow meter is also demand. Bitumen mass flow measurement is often used large size Coriolis mass flow meter, such as 3” inch asphalt mass flow meter, 4 inch mass flow meter for bitumen, 5inch bitumen flow meter, 6 inch jacketed mass flow meter for asphalt flow meter, 8 inch asphalt flow meter or 10 inch. Normal request flow rate of bitumen mass flow meter is around 0~500 Mt/h,0-400 t/h, 0~122 lb/s, 0~42 kg/s,0-100 t/hr and so on. Coriolis flow meters work by measuring the mass flow rate of asphalt directly, without the need for additional calculations or conversions. This means that they can provide highly accurate and reliable measurements, even for bitumen with varying densities and viscosities.
A high pressure Coriolis flow meter is a type of Coriolis flow meter that is designed to operate at high pressures, typically above 230 psi (16 bars). These flow meters are used in applications where accurate flow measurement is required at high pressures, such as in the oil and gas industry, chemical processing, and high-pressure research applications.
For example Refrigerant -R32, R134a, R-410 flow measurement at 40 bar or higher pressure, fuel oil 8 inch mass flow meter running at 40 bar pressure, CNG mass flow meter, 152A, Iso butane.up to 3700 lbs with flow rate 10-50 lb/hr; high pressure crude oil, measure the refrigerant flow in VRF system,LPG flow meter between LOG tank and boiler.
High pressure Coriolis flow meters are constructed with materials that can withstand the high pressures and temperatures encountered in these applications. They typically have thicker walls and reinforced sensor supports to prevent damage from the high pressure and vibrations.
A micro Coriolis flow meter is a type of Coriolis flow meter that is designed for applications where very low flow rates need to be measured with high accuracy. Micro Coriolis flow meters are typically used in industries such as medical devices, pharmaceuticals, lab, and chemical processing, where precise flow measurement is critical.
The main difference between a micro Coriolis flow meter and a standard Coriolis flow meter is the size of the flow tube. Micro Coriolis flow meters have much smaller flow tubes, typically ranging from a few hundred micrometers to a few millimeters in diameter, which allows for very low flow rates to be measured accurately, for example fluid Hydrocarbon additive, ink, paint, polymer in solvent, Liquid Additive running at low flow, such as 0~40 g/h, 0~10 kg/hr, 0~50 kg/hr and so on.
Despite their small size, micro Coriolis flow meters can provide highly accurate flow rate and mass measurements, typically with an accuracy of +/-0.5% to +/-1% of the measured flow rate. Some micro Coriolis flow meters can also provide additional measurements such as temperature and density, which are useful for process control and monitoring.
Micro Coriolis flow meters are ideal for applications where the fluid being measured is expensive, hazardous, or difficult to handle, as they can accurately measure very small amounts of fluid. They are also useful in research applications where precise flow measurement is required, such as microfluidics and lab-on-a-chip devices.
A bent tube Coriolis flow meter is a type of Coriolis flow meter that uses a V-shaped tube to measure the flow rate and mass of fluids. The tube is typically made of metal, such as stainless steel, and is bent into a shape that allows the fluid to pass through twice, in opposite directions.
As the fluid flows through the bent tube, it is subjected to a Coriolis force that causes the tube to twist in proportion to the mass flow rate of the fluid. The degree of twisting is measured by sensors located at the inlet and outlet of the tube and this measurement is used to calculate the flow rate and mass of the fluid.
Bent tube Coriolis flow meter is goods use for large size, such as 12” Coriolis flow meter, 10 inch Coriolis flow meter, 8” mass flow meter .etc, it can save more installing space comparing to U-tube Coriolis flow meter.
Coriolis flow meters are commonly used to measure refrigerant in HVAC (heating, ventilation, and air conditioning) systems, particularly in commercial and industrial applications, refrigerant including: R32, R134a, R410, There are several reasons why Coriolis flow meters are preferred for this application:
Refrigerant flow rates must be measured accurately to ensure the HVAC system is operating efficiently and to prevent costly damage to the system. Coriolis flow meters provide highly accurate measurements, typically with an accuracy of +/-0.1% to +/-0.5% of the measured flow rate.
Mini Coriolis flowmeter can be used for refrigerant low flow measurement, such as 1/4” tubing, 1/8 inch, 1/2” etc. flow running at low flow, such as 0~ 10 kg/h, 0~50 kg/h .etc.
Overall, Coriolis flow meters offer a reliable and accurate solution for measuring refrigerant flow rates in HVAC systems, ensuring efficient operation and preventing costly damage to the system.
High viscosity Coriolis flow meters are designed specifically for measuring the flow rate and mass of high viscosity fluids, such as crude oil, molasses, and honey, resin, glue, paint,bitumen,. These types of fluids present a challenge for many flow meters because their high viscosity can cause flow disturbances and pressure drops, which can affect the accuracy of the flow measurement. Coriolis flow meters are able to handle high viscosity fluids with viscosity up to 200000 cp, due to their unique operating principle for viscous liquid.
Coriolis flow meters are commonly used to measure compressed natural gas (CNG) due to their high accuracy and reliability. CNG is used as a fuel in vehicles and requires accurate measurement for billing and custody transfer purposes. CNG Coriolis flow meter can measure mass flow accurately, also can bear high pressure rating of CNG , such as 3600 PSI, also Coriolis flow meter can measure dirty CNG mass flow meter or liquid and gas mix state fluids.
Coriolis flow meters are commonly used to measure fuel oil due to their high accuracy and reliability. Fuel oil is used in various industries, including power generation, marine, and transportation, and requires accurate measurement for billing and custody transfer purposes. Here are some reasons why Coriolis flow meters are preferred for fuel oil measurement:
Fuel oil flow rates must be measured accurately to ensure that the correct amount of fuel is being delivered and to avoid overcharging. Coriolis flow meters are highly accurate and can provide precise measurements even at low flow rates.
Coriolis flow meters measure the mass flow rate of fuel oil, which is important for fuel oil applications where the fuel is sold by weight, positive displacement flow meter is
Wide range of flow rates: Coriolis flow meters can measure a wide range of flow rates, from low to high, which is important for fuel oil applications where flow rates can vary widely depending on the size of the vessel or power plant being fueled, normal request size is 12 inch fuel oil mass flow meter, 10” Coriolis mass fuel oil flow meter, 8 inch oil flow meter, DN200 oil flow meter.
Overall, Coriolis flow meters offer a reliable and accurate solution for measuring fuel oil flow rates, ensuring efficient operation and preventing overcharging.
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