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1. Qingdao Aobo ORB-LUGB Vortex Street Steam Flow Meter 80 Size
Qingdao Aobo ORB-LUGB Vortex Street Steam Model World Watch Flow Meter DN80 Specification Parameters and Selection Guide
1. Core Parameters nominal diameter: DN80 (flange mounted) Measuring medium: steam (saturated/superheated), gas, liquid Accuracy level: liquid ± 1.0%, gas/steam ± 1.5% Pressure resistance level: standard 1.6MPa/2.5MPa, customizable 4.0-10.0MPa Temperature range: -20 ℃~350 ℃ (special calibration required for high temperature steam) Body material: 304 stainless steel (contact medium part)
2. Key Features 1 Wide range ratio: usually up to 1:10~1:15, suitable for scenarios with large flow fluctuations No moving parts: using piezoelectric sensors to reduce wear and maintenance requirements Integrated display: On site LCD screen displays instantaneous/cumulative traffic in real-time Signal output: 4-20mA analog signal+pulse output, supporting RS485 communication (MODBUS protocol)
III. Selection precautions • Steam type: saturated steam requires temperature compensation, superheated steam requires temperature and pressure compensation • Installation requirements: front and rear straight pipe sections are recommended to be 20DN/5DN (to ensure measurement accuracy) buried • Protection level: IP65 (outdoor rain and dust protection), explosion-proof type can be selected Ex d Ⅱ CT6
IV. Typical application scenarios • Boiler steam metering (condenser required) • Chemical process steam consumption monitoring • Food processing industry high temperature medium flow control Data source: Qingdao Aobo Instrument 2023 version product technical manual, specific selection needs to be based on actual working conditions paramete
2. Characteristics of Vortex Flow Meter
1. The structure is simple and sturdy, with no movable parts, high reliability, and very reliable for long-term operation.
.Secondly, installation is simple and maintenance is very convenient. Thirdly, the detection sensor does not directly contact the measured medium, with stable performance and long lifespan. 4. The output is a pulse signal proportional to the flow rate, with no zero drift and high accuracy. 5. Wide measurement range, with a range ratio of up to 1:10. 6、 Less pressure loss, lower operating costs, and more energy-saving significance. Within a certain Reynolds number range, the output signal frequency is not affected by the physical properties and composition changes of the fluid. The instrument coefficient is only related to the shape and size of the vortex generator, and there is no need to compensate when measuring the fluid volume flow rate. After replacing the accessories, there is generally no need to recalibrate the instrument coefficient. Widely applicable, the flow rates of steam, gas, and liquid can be measured. The verification period is two years. The inner diameter range of the LUGB type vortex flow sensor is 25-300mm (full tube type), and the inner diameter range of the KTLUI type insertion vortex flow sensor is 350-1200mm (insertion type). The full tube type measures liquid with an accuracy of 1%, steam and gas with an accuracy of 1.5%, the insertion type measures liquid with an accuracy of 2%, and steam and gas with an accuracy of 2.5%. The measured medium temperature is -20~150 ℃, -40~250 ℃,+100~350 ℃ (tube type only), and the output signal is a broken three wire voltage pulse. The three
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