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Duoqin Instrument (Shanghai) Co., Ltd
Vortex liquid flowmeter
NegotiableUpdate on 05/09
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Overview
The vortex street liquid flowmeter is designed for small flow and small diameter liquid working conditions, based on the Karman vortex street principle for measurement. It has a compact structure and no mechanical movable parts, suitable for small flow measurement and monitoring of clean and mildly impurity liquids.
Product Details
smallVortex liquid flowmeter
Duoqin Instrument (Shanghai) Co., Ltd. | Focused on flow meters for 20 years
1、 Product Introduction
small caliberVortex liquid flowmeterDesigned for small flow and small diameter liquid working conditions, based on the Karman vortex street principle measurement, with a compact structure and no mechanical movable parts, suitable for small flow measurement and monitoring of clean and mildly impurity liquids.
2、 Applicable media
Water, pure water, cooling water, diesel, kerosene, light oil, softened water, condensed water, various low viscosity process liquids, etc.
3、 Product Features
Good adaptability for small caliber and small flow measurement
No rotating parts, not easy to get stuck, long service life
Small pressure loss, stable operation, and easy maintenance
Fast response speed, timely tracking of traffic changes
Can be displayed locally or configured with remote signal transmission
Compact size, small installation space occupation
4、 Common Caliber and Range
DN8：1–20 L/min
DN10：2–40 L/min
DN15：3.5–50 L/min
DN20：5–100 L/min
DN25：9–150 L/min
5、 Core technical parameters
Medium temperature: 0-90 ℃
Environmental temperature: -10~60 ℃
Measurement accuracy: ≤ 1.0%
Repeatability: ≤ 0.3%
Contact material: 304 stainless steel/PPS
Pressure rating: Regular 10 bar, optional 16 bar
Connection method: threaded connection (G, Rc)
Power supply: 14-38VDC
Signal output: 4-20mA, RS485, NPN, PNP
6、 Typical applications
Small flow water supply and pure water equipment matching
Small flow monitoring of cooling system
Low flow ratio of fuel and solvent
Water treatment, environmental protection, small flow metering
Experimental equipment and OEM equipment matching
7、 Installation points
Ensure sufficient straight pipe sections to reduce flow field disturbances
The installation direction is consistent with the fluid flow direction
Avoid installation in locations with strong vibration and electromagnetic interference
The pipeline should be fully filled to avoid any impact on the measurement caused by incomplete pipes
Clean the pipeline impurities before installation to prevent foreign objects from entering
Price Description
Select and quote based on caliber, range, temperature and pressure, output signal, and material configuration.
The regular product delivery time is stable, and the non-standard customized delivery cycle is 7-15 working days.
After sales and warranty
Warranty period of 12 months (from the date of acceptance)
Provide selection consultation, installation guidance, and debugging services
Can be matched with filters, valves, installation accessories, etc
