You Professional Electromagnetic Flowmeter Suppliers！
Dongyi Company will be a professional manufacturer of liquid level meters, flow meters, online water quality analyzers and pressure transmitters integrating R&D, design, production, sales and after-sales.
Why Choose Us
Our Factory
The company has a factory building of nearly 2,000 square meters and is professional There are more than 10 technical staff and more than 20 utility model patents.
Production Equipment
Our production facilities are equipped with advanced tools, including ultrasonic and radar testing devices, laser welding equipment, flow calibration devices, pressure debugging equipment, high and low temperature aging boxes, and circuit aging devices.
Our Certificates
We hold several certifications, including utility model patents, design patents, software works, and quality management system certifications.
Electromagnetic Flowmeter - Overview
Electromagnetic Flowmeter is a transducer that measures fluid flow by the voltage induced across the liquid by its flow through a magnetic field. A magnetic field is applied to the metering tube, which results in a potential difference proportional to the flow velocity perpendicular to the flux lines.
Product Specification
We offer the following Specifications：
|
Nominal diameter |
DN10, 15, 20.25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 500, 600……..1800 |
Effective measurement flow rate range |
0.3m/s to 10m/s (0.5 level accuracy) |
|
Nominal pressure |
0.6, 1.0, 1.6, 2.5, 4.0 MPa |
Power supply |
18-36VDC or 85-265VAC, power less than 8W |
|
Process connection |
Flange connection, flange standard GB/T9119-2000 |
Output |
4-20mA, frequency output (0-10KHZ), pulse equivalent |
|
Structural forms |
Integrated type (IP65), split type (IP65 and IP68) |
Excitation methods |
Three amplitude low-frequency rectangular wave excitation and high-frequency excitation |
|
Lining materials |
Polytetrafluorohexene PTFE (≥ DN25 or above), chloroprene rubber (≥ DN65 or above), F46, polyurethane |
Excitation current |
160mA |
|
Electrode materials |
Platinum, tin, Hastelloy, titanium, 316L, tungsten carbide |
Minimum conductivity of the required medium |
≥ 0.5 μ s/cm2 |
|
Measurement tube material |
304 stainless steel |
Electrical interface |
M18 × 1.5 |
|
Shell and flange materials |
Carbon steel (standard), stainless steel (non-standard customization) |
Protection level |
IP65 (single type, split type), IP68 (split type) |
|
Fluid temperature |
≤ 180 ℃ |
Grounding method |
Grounding ring (user specified) or grounding electrode, pipeline grounding |
|
Explosion proof sign |
Not explosion-proof |
Display mode |
Display resolution FSTN mode 128 × 64 |
|
Accuracy level |
0.5 level (within the range of 0.3m/s to 10m/s) |
Power outage data storage time |
Power outage memory EEPROM, the set parameters and flow accumulation data are permanently not lost after power outage |
|
Repeatability |
0.15% |
Mean time between failures |
MTBF=30000h |
|
Measurable flow rate range |
0.05m/s-12m/s |
|
|
Advantages of Electromagnetic Flowmeter
Highly Accurate
Mag meters are highly accurate when compared to other flow meters. Accuracy over a wide flow range is estimated to be ±0.5% of flow rate or better, compared to the inaccuracies of ±1 to 2 percent of rate that come with ultrasonic meters.
Cost-Effective
Mag meters are a cost-effective solution for a variety of reasons:By producing extremely accurate measurements, electromagnetic flow meters reduce excess cost.Installation is simple and straightforward. Mag meters can be retrofitted to existing systems and installed without diverting flows or shutting down systems.
Measure Bi-directional Flow
SPI Mag Insertion Flow Meter for Municipal and Industrial Flow ApplicationsBi-directional flows are not common in many industries, but for those who work with these systems, measuring flow has historically been difficult. Other types of flow meters only measure flow in one direction, so measuring bi-directional flow required two meters installed, facing opposite directions.
Insertion Magnetic Flow Meters
Insertion magnetic flow meters offer flexible, cost-effective solutions for large pipe diameters or retrofit applications. They can be installed through a ball valve (hot tap technique) or by drilling a hole in the pipe.
In-Line Flow Meters
In-line magnetic flow meters (or full-bore magmeters) are permanently installed by replacing a section of pipe. For accurate measuring and leak-free operation, the diameter of the flow meter sensor should precisely match the existing pipe, or suitable adapters and flanges must be used.
Low Flow Magnetic Flow Meters
Low flow magnetic flow meters are specifically engineered to detect extremely slow-moving liquids—even in systems using pulsating metering pumps or fluids with entrained particles. Their robust design prevents clogs, blockages, and ensures compatibility with a broad spectrum of fluid viscosities and densities, making them well suited for challenging industrial and process environments.
Application Of Electromagnetic Flowmeter
Water and Wastewater Treatment
Electromagnetic flow meters excel in handling clean water, raw sewage, sludge, and chemicals used in treatment processes.They offer high accuracy and no pressure drop, which is essential for large-scale municipal water management.
01
Chemical Processing
Magmeters can measure aggressive and corrosive liquids – like acids, alkalis, and other chemical solutions without being damaged.They are available with corrosion-resistant linear materials (e.g., PTFE, PFA) to withstand harsh chemicals. No obstruction in the flow path means they do not get clogged or affected by sedimentation.
02
Food and Beverage Industry
Used for measuring milk, beer, juices, syrups, and other food-grade liquids that require hygienic conditions. Magmeters can be designed with sanitary fittings (e.g., stainless steel) to met FDA and EHEDG standards. Their non-intrusive design ensures there is no contamination or disruption in the production process.
03
Pulp and Paper Industry
Capable of handling high-viscosity and fiber-laden fluids – such as pulp slurries and coating solutions. No moving parts means minimal wear and tear – even when dealing with abrasive slurry. Provides consistent measurement despite fluctuations in fluid density and composition.
04
Mining and Mineral Processing
Used for measuring the flow of mineral slurries and abrasive fluids in extraction refining operations. Their rugged construction allows them to withstand harsh environmental conditions.
05
Precautions
Do not operate a magnetic flow meter near its electrical conductivity limit because the flow meter can turn off. Provide an allowance for changing composition and operating conditions that can change the electrical conductivity of the liquid.
In typical applications, magnetic flow meters are sized so that the velocity at maximum flow is approximately 2-3 meters per second. Differential pressure constraints and/or process conditions may preclude application of this general guideline.
For slurry service, be sure to size magnetic flow meters to operate above the velocity at which solids settle (typically 1 ft/sec), in order to avoid filling the pipe with solids that can affect the measurement and potentially stop flow. Magnetic flow meters for abrasive service are usually sized to operate at low velocity (typically below 3 ft/sec) to reduce wear.
In abrasive slurry service, the flow meter should be operated above the velocity at which solids will settle, despite increased wear. These issues may change the range of the flow meter, so its size may be different than the size for an equivalent flow of clean water.
Customization process
Design Confirmation and Quotation
Our process begins when a customer sends us specific product details such as the specifications and dimensions of the product they want. We will provide a quote for the entire process according to customer requirements.
Sample Making
After agreeing the quotation, Our designers will make samples for you in the shortest time, after the samples are finished, we can send them to our customers by post for testing, or provide you some pictures for your reference.
Mass Production & QC
Once the samples are finalized, the design will be forwarded to our factory to start mass production. Our dedicated quality control team monitors every step of the process to ensure that every product meets our standards before it leaves the factory.
Delivery
Once the order has been manufactured, we will arrange for delivery of the product to the customer, thus completing the process.
Packaging & Delivery
Certificate
FAQ
We're well-known as one of the leading electromagnetic flowmeter manufacturers and suppliers in China. Please feel free to buy high quality electromagnetic flowmeter made in China here from our factory. Contact us for customized service.
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