Flow meter selection?
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Dear experts, our system operates on a H2 cycle, with a temperature of around 10–20°C and a pressure of 0.02–1.5 MP. How should we select a flow meter?
How about using an orifice plate, along with a differential pressure transmitter?
Ultrasonic flow meter, Rosemount Advanis 3095MFA/3051SFA mass/volume flow meter. The Aniuoba flow meter (also known as the flared venturi flow meter) is a new type of differential pressure flow measurement element developed based on the principle of velocity measurement using pitot tubes. It features a novel design, reasonable structure, high precision, low pressure loss, and ease of installation and use. The Aoniuba outputs a differential pressure signal, which is used in conjunction with instruments for measuring differential pressure; this allows for accurate measurement of various liquids, gases, and vapors (superheated steam and saturated steam) in circular and rectangular pipes. The size range of the pipes under test is from Φ20mm to 3000mm. Anuba has been successfully used in sectors such as the power industry (including the nuclear industry), the chemical industry, petrochemicals, and metal smelting industries. It is suitable for: (1) gas transportation and liquid transportation ； (2) Energy research, thermal efficiency of steam boilers, pump efficiency, gas compressor efficiency, and fuel consumption ； (3) Process control: Input/output, ratio/balance ； Cooling water or air, steam heating. (4) Feeding in the chemical industry ； (5) Load balancing: pumps, compressors, coolers, filters: (1) High accuracy and good stability; (2) Reasonable design; (3) Facilitates pipeline layout; (4) Low pressure loss and reduced energy consumption
It depends on the required precision and budget.:lol :lol :lol
OP, the pressure fluctuations in your medium are really significant – from atmospheric pressure to 15 kilograms? If it is used for control, a simple orifice plate flow meter will suffice.
Look at how high the flow rate is and how large the pressure fluctuations are; it’s not easy to choose a orifice plate for measuring pressure loss. What about a venturi tube? A transmitter would also be needed for that.
The thermal mass flow meter is an excellent choice for gases with low flow rates, as it measures mass flow directly without the need for temperature and pressure compensation