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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. Selection of saturated steam flowmeter
Model and marking instructions: LUGB □□□□□□ Stress type vortex flow sensor - ② ③ ④ - ⑤ ⑥ Serial number connection method: 1 Flange connection type 2 Flange card type tested medium: 1 Liquid 2 Gas (including steam) sensor nominal diameter: DN010-10 mm (non-standard) DN012-12.5 mm (non-standard) DN015-15 mm (non-standard) DN020-20 mm (non-standard) DN02-25 mm DN03-32 mm (non-standard) DN04–40 mmDN05–50 mmDN06–65 mmDN08–80 mmDN10–100 mmDN12–125 mmDN15–150 mmDN20–200 mmDN25–250 mmDN30–300 mmDN35–350 mmDN40–400 mmDN45–450 mmDN50–500 mm Unmarked pulse output standard flow range K pulse output extended flow range B explosion-proof M current output DC4-20mA local display 24V power supply condition various parameters XM local display 24V power supply three wire current output BM explosion-proof, current output DC4-20mA Determination and installation design of instrument caliber: 5 Instruments can be installed horizontally, vertically, or obliquely on pipelines. When measuring gases, instruments can be installed in vertical pipelines with no restrictions on gas flow direction. But if the pipeline contains a small amount of liquid, in order to prevent liquid from entering the instrument measuring tube, the airflow should flow from bottom to top. When measuring liquid, in order to ensure that the tube is filled with liquid carefully, when installing instruments in vertical or inclined pipelines, the direction of liquid flow should be from bottom to top. If the pipeline contains a small amount of gas, in order to prevent gas from entering the instrument measuring tube, the instrument should be installed at a lower part of the pipeline. When measurin