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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. Top 10 Brands of Vortex Flowmeters in China
There is no official unified ranking of "Top 10 Brands" in the Chinese vortex flowmeter market, but according to industry recognition and market performance, the following are the main representative brands and their core characteristics
1. Chuanyi Co., Ltd. - established in 1965, a state-owned holding enterprise with comprehensive product line coverage - the core product PA300 series has a pressure resistance of 42MPa and has passed explosion-proof certification (Ex), suitable for flammable and explosive environments such as natural gas and refineries.
WELLTECH - Shanghai WELLTECH Industrial Automation Co., Ltd. focuses on the field of industrial automation - its products have strong stability and are widely used in industries such as power and chemical Maxonic is a well-known brand in the industry, with products covering a variety of industrial automation instruments. Vortex flowmeters are widely used in metallurgy and environmental protection fields Qingtian Teke Instrument - National High tech Wheel Technology Enterprise, focusing on intelligent water and chemical fields - Measurement error ≤ 0.5%, using corrosion-resistant materials such as 316L stainless steel/Hastelloy, MTBF>50000 hours Shanghai Aisite Instrument - a well-known manufacturer in the industry, with strong anti vibration performance and support for high temperature and high pressure working conditions - intelligent temperature and pressure compensation vortex flowmeter with an accuracy of ± 1%, widely used in the petroleum and chemical industries Hangzhou Miko Sensing - with a market share of 14% by 2025, breaking through the import monopoly in the fie