The LWGY Series Liquid Turbine Flowmeter is a compact, high-accuracy flow meter designed for clean, lowviscosity liquids. It converts flow velocity into turbine rotation: as the liquid passes through a flow straightener and over the turbine rotor, the rotor speed becomes proportional to the volumetric flow rate. A pickup sensor detects the passing blades and generates a pulse signal whose frequency is directly proportional to flow.
With simple construction, low weight, fast response and excellent repeatability, LWGY is well-suited for batching, dispensing and general-purpose liquid metering in industrial and commercial systems. Robust mechanical design and high-pressure capability make it suitable for a broad range of applications where the medium is relatively clean and free of large particles or fibrous content.
| Item | Description |
| Measuring principle | Turbine – rotor speed proportional to liquid velocity |
| Measured media | Clean liquids (low solids content; proper filtration recommended) |
| Accuracy classes | ±0.2 %, ±0.5 %, ±1.0 % of rate (configuration-dependent) |
| Repeatability | 0.05...0.20 % of rate |
| Nominal diameters | DN4...DN200 (approx. 1/8"...8") |
| Measuring range | 0.5 to 5 m/s liquid velocity (size- and medium-dependent) |
| Turndown ratio | Up to 1:20 on medium/large sizes; up to 1:10 on small sizes |
| Process connections | Flanged, hygienic, threaded, wafer-type |
| Connection standards | DIN; ANSI/ASME; JIS |
| Medium temperature range | -20...+150 °C (per model and materials) |
| Nominal pressure ratings | PN16 / PN25; ANSI 150 / 300; JIS 10K / 20K |
| Body materials | Stainless steel 304 / 316 |
| Rotor / internals | 2Cr13, CD4MCu (corrosion- and wear-resistant alloys) |
| Protection class | IP65 (standard) |
| Explosion protection | Ex d (explosion-proof versions available) |
| Power supply options | 24 V DC; 220 V AC; 3.6 V built-in battery (local indicator version) |
| Output signals | 4-20 mA and pulse output |
| Communication | Modbus (RS-485), HART (option) |
| Electrical interface | M20×1.5; 1/2" NPT |
| Certifications | ISO, PCEC, CE, ATEX (model- and market-dependent) |
| Category | Specification / Option | Notes |
| Signal output | High-resolution pulse (up to approx. 3–4 kHz) | Supports precise batching and high-speed counting |
| Pulse stability | Good noise immunity, low zero drift | Stable reading under moderate flow fluctuations |
| Pressure capability | Compatible with high-pressure systems | Often no need to modify existing piping for pressure rating |
| Response time | Very fast | Suitable for short-batch dosing and fast control loops |
| Installation | Compact, lightweight design | Easy to install in skid systems and confined spaces |
| Electronics | 24 V DC / 220 V AC / battery-powered | Supports both panel-powered and stand-alone local indication |
| Communication | Modbus RS-485, HART | Integration into PLC, DCS and supervisory systems |
| Maintenance | Simple mechanical structure | Low maintenance when used with clean, filtered liquids |
LWGY is intended for clean, non-fouling liquids. For slurries or high-solid media, electromagnetic or Coriolis meters are usually more appropriate.
| Industry / Sector | Medium / Service | Typical Use |
| Oil & refined products | Light oils, diesel, kerosene, solvents | Transfer and consumption metering on clean liquid lines (with filtration) |
| Chemical & petrochemical | Low-viscosity organic liquids, solvents | Batching, blending and transfer in clean service |
| Food & beverage (utility/process) | Water, alcohols, thin syrups* (*viscosity within turbine limits) | Process and utility water, dosing of clean liquids |
| Oil & refined products | Light oils, diesel, kerosene, solvents | Transfer and consumption metering on clean liquid lines (with filtration) |
| Chemical & petrochemical | Low-viscosity organic liquids, solvents | Batching, blending and transfer in clean service |
| Food & beverage (utility/process) | Water, alcohols, thin syrups* | Process and utility water, dosing of clean liquids (*viscosity within turbine limits) |
As China LWGY Series Liquid Turbine Flowmeter Manufacturers and LWGY Series Liquid Turbine Flowmeter Factory, we are renowned for manufacturing professional and high-precision industrial instruments. Our expertise lies in providing unparalleled flow measurement resources, backed by over 12 years of experience solving complex applications.
Our precision flow metering devices are used by a diverse range of users, ranging from major oil and gas companies to photovoltaic providers, pharmaceutical manufacturers, and municipal services. We continuously contribute to the development of flow measurement in the domestic energy and chemical industries due to our expertise in measuring variable component gases and peculiar mediums.
In the complex world of industrial processes—from petrochemical refining to pharmaceutical manufacturing—the precise measurement of liquid flow is not merely a matter of bookkeeping; it is a critical determinant of product quality, operational safety, and cost efficiency. For yea...
READ MOREAs industries accelerate the transition toward cleaner, more efficient energy sources, both compressed natural gas (CNG) and liquefied natural gas (LNG) are playing increasingly significant roles across transportation, power generation, chemical processing, and industrial product...
READ MOREThe growing emphasis on efficiency, accuracy, and system intelligence is turning the Liquid Turbine Flowmeter—specifically the LWGY Series—into a central topic of discussion among engineering teams, plant operators, and automation specialists. Many are now asking what drives the ...
READ MORE
We offer all our products and services at international standards.
+86-18652789521
+86-18052582295
+86-0514-83633600 / 83633900
+86-0514-83633600 / 83633900
No. 11 Xingye Road, Chenji Town Industrial Park, Yizheng, Yangzhou, China
0
EN 
English
عربى
Español
русский
Turkish