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『Vortex flowmeter lu』Related information(flow rotameter|digital flow meter|balo meter|hydraulic flow meter|volumetric meter|positive displacement meter|pitot tube flow meter|displacement meter|cfm meter|variable area flow meter|inline flow meter|differential pressure flow meter|calibrated flow meter|velocity meter|paddle wheel flow meter|oval gear flow meter|anemometer hvac|multiphase flow meter|doppler flow meter|thorpe tube flowmeter|heat flow meter)
1. 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 controlled 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 field of semiconductor ultrapure water
2. Technical parameters of LUGB vortex flowmeter
· Measurement medium: a. Zentong liquid: cold water, hot water, various oil products, liquefied petroleum gas, various chemical liquid oils b. Gas: compressed air, oxygen, natural gas, petroleum gas, and various chemical gases c. Saturated steam and superheated steam with a temperature below 350 ℃ · Measurement possible range: Reynolds number of 5000~7000000 · Normal working range: Reynolds number of 20000~7000000 · Accuracy: liquid ± 1%;
; Gas and steam ± 1.5% · Power supply voltage: 24VDC (intrinsically safe flow meters must be powered by safety barriers) · Output signal trace: a. Three wire voltage pulse signal low level: ≤ Hezhoutan 1V; high level: ≥ 5V; duty cycle: about 50% b. Two wire 4-20mA current signal (circuit load ≤ 500 Ω at 24V) · Working pressure1.6MPa, 2.5MPa, 4.0MPa, 6.3MPa · Pressure loss: △ P=1.079 × 10-6 × ρ× V2, where △ P: pressure loss MPa; V: Flow velocity m/s; ρ: Fluid density Kg/m3 · Sensor material: Stainless steel (304) · Specification: DN1
5、DN20、DN2
5、DN40、DN50、DN6
5、DN80、DN100、DN150、DN200、DN250、DN300· Environmental temperature: -40 ℃~+60 ℃ (ordinary type) · Relative humidity: 5%~90% · Protection level: IP65