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Flow Meters Overview

Flow meters are essential tools in industrial processes used to measure the flow of fluids. They are widely applied in various fields, including petroleum, natural gas, power, petrochemical, pharmaceutical, mining, metallurgy, and government projects, ensuring efficient, reliable, and safe operations. Flow measurement is a crucial part of industrial automation, helping enterprises optimize resource utilization, reduce waste, and improve product quality.

Importance

● Enhanced Production Efficiency: By accurately measuring flow, enterprises can optimize production processes, reduce energy consumption and material waste, and improve production efficiency.
● Quality Control: Flow meters help monitor and regulate production parameters, ensuring product consistency and stability.
● Safety Assurance: In applications involving hazardous or harmful substances, accurate flow measurement can prevent leaks and other potential safety hazards.
● Cost Savings: Flow meters provide real-time data feedback, helping enterprises make more informed decisions, thereby reducing operational costs.
Compliance: Many industries have stringent regulatory requirements; flow meters help enterprises comply with these standards, avoiding legal and financial penalties.

Main Functions

● Flow Measurement: Measurement of volumetric and mass flow for liquids, gases, and steam, ensuring accurate recording and monitoring.
Data Recording and Transmission: Modern flow meters typically come with data recording and remote transmission functions, facilitating centralized monitoring and management.
● Real-time Monitoring: Real-time display of flow data helps operators make timely adjustments and responses.
Alarm Function: When the flow exceeds preset ranges, flow meters can trigger alarms, alerting operators to take action.
Diagnostics and Self-check: Some advanced flow meters have self-diagnosis and fault detection features, ensuring the instrument is always in optimal working condition.
● Temperature and Pressure Compensation: In certain applications, flow measurement needs to account for temperature and pressure variations, and flow meters can perform automatic compensation to provide more accurate results.

Common Types

● Vortex Flowmeters: Suitable for measuring the flow of liquids, gases, and steam, characterized by high accuracy and a wide range.
● Ultrasonic Flowmeters: Measure flow based on changes in sound wave propagation time, applicable to various media and scenarios.
● Turbine Flowmeters: Utilize the principle that the rotation speed of the turbine is proportional to the flow rate, widely used for liquid measurement.
● Metal Tube Rotameters: Indicate flow through the position of a float, suitable for small to medium diameter flow measurements.
● Precession Vortex Flowmeters: Combine the principles of vortex and turbine meters, suitable for high-precision gas flow measurement.
● Thermal Gas Mass Flow Meters: Use heat transfer principles, mainly for measuring the mass flow of gases.
● Differential Pressure Transmitters: Calculate flow by measuring pressure differences, suitable for various complex conditions.

Conclusion

Flow meters play a vital role in modern industry by providing accurate and reliable flow data, helping enterprises achieve efficient, safe, and economical production operations. With continuous advancements in technology, the functions and performance of flow meters are continually improving, meeting the ever-growing demands of various industries.

We respond to customer needs promptly and provide professional solutions

Flow

Electromagnetic Flowmeter

Precession Vortex Flowmeter

Elbow flow meter

Target Flowmeter

Thermal Gas Mass Flowmeter

Orifice Plate

Balanced Flowmeter

V-Cone Flowmeter

Orifice plate flowmeter

Variable Area flowmeter

Summary of Flowmeters

Type	Nominal Diameter (mm)	Measurement Range	Accuracy	Temperature Range	Pressure Rating	Output	Power Supply
Electromagnetic	10-2000	0.1-100 m/s	±0.2%, ±0.5%, ±1.0%, ±1.5%	-200°C to +500°C	1.6-42 MPa	LCD, pulse, 4-20mA, RS485, Modbus	3.6V lithium battery, 24VDC
Vortex	10-6000	0.1-100 m/s	±1% of reading ±0.5% full scale	-40°C to +300°C	1.6-16 MPa	4-20mA, RS232/RS485	24VDC/600mA, 220VAC/2W, 110VAC/3W
Ultrasonic	15-6000	0-30 m/s	±1% of reading	-40°C to +160°C	1.6-16 MPa	4-20mA, RS485, pulse	AC 85-264V, DC 24V
Turbine	4-200	0.6-10000 m³/h	±0.5%, ±1.0%	-20°C to +120°C	1.6-25 MPa	4-20mA, pulse, RS485	DC 24V
Metal Tube Rotameter	4-200	0.1-150,000 L/h (water), 0.05-4000 m³/h (air)	±1.5%, ±1.0%	-40°C to +300°C	1.6-25 MPa	4-20mA, pulse	DC 24V, battery
Precession Vortex	25-300	0.5-2000 m³/h (gas), 0.1-1000 m³/h (liquid)	±1.0%, ±1.5%	-20°C to +250°C	1.6-4.0 MPa	4-20mA, pulse, RS485	DC 24V
Elbow	15-300	0.1-200 m³/h	±1.0%, ±1.5%	-20°C to +200°C	1.6-4.0 MPa	4-20mA, pulse	DC 24V
Target	25-300	0.5-2000 m³/h	±1.0%, ±1.5%	-20°C to +250°C	1.6-4.0 MPa	4-20mA, pulse, RS485	DC 24V
Thermal Gas Mass	0.1-100 Nm/s	±1.0%, ±1.5%	-40°C to +200°C	1.6-4.0 MPa	4-20mA, pulse, RS485	DC 24V	HVAC, chemical, semiconductor
Orifice Plate	15-1000	Wide range	±0.5%, ±1.0%	-40°C to +500°C	Up to 42 MPa	Differential pressure	-
Balanced	15-1000	Wide range	±0.5%, ±1.0%	-40°C to +500°C	Up to 42 MPa	Differential pressure	-
V-Cone	25-300	0.1-2000 m³/h	±0.5%, ±1.0%	-40°C to +250°C	Up to 42 MPa	Differential pressure	-
Orifice Plate Flowmeter	15-1000	Wide range	±0.5%, ±1.0%	-40°C to +500°C	Up to 42 MPa	Differential pressure	-
Variable Area	4-200	0.04-40000 L/h (water), 0.01-4000 m³/h (air)	±1.6%, ±2.5%	-20°C to +200°C	Up to 25 MPa	Analog, 4-20mA	Battery, 24VDC

Electromagnetic Flowmeter

Technical Specifications:
Nominal Diameter: Flange type: 10-600mm; Clamp type: 10-600mm; Threaded type: 10-80mm; Insert type: 100-2000mm
Nominal Pressure: 1.6-42MPa
Applicable Working Temperature: -200°C to +500°C
Accuracy: ±0.2%, ±0.5%, ±1.0%, ±1.5%
Range Ratio: 1:5, 1:10, 1:15 (for steam)
Damping Time: 0-10s (adjustable)
Non-Repeatability: ≤0.10%R.O
Power Supply: Built-in 3.6V lithium battery or external 24VDC
Signal Output: On-site LCD display; pulse; 4-20mA (two-wire) or HART protocol; RS485; Modbus (optional)
Measuring Tube Material: 304, 316L, lining, carbon steel, engineering alloy plastics
Explosion-proof Rating: Intrinsically safe (ExiaIICT1-4); explosion-proof (ExiaIICT1-5); explosion-proof Exd I (coal mine location)
Protection Level: IP65, IP67, IP68

Functions:
Suitable for measuring conductive liquids.
No pressure loss as it doesn't have any moving parts.
High accuracy and stable performance.
Used in water treatment, chemical, and pharmaceutical industries.

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Vortex Flowmeter

Technical Specifications:
Measurement Range: 0.1 to 100 m/s (20°C, 101.33 kPa)
Accuracy: ±1% of reading ±0.5% full scale
Range Ratio: Typically 100:1
Pipe Diameter Range: 10 mm to 6000 mm
Application Range: Suitable for various single or mixed gases, including dusty, sandy, moist gases, and various corrosive gases
Environmental Temperature Range: -40°C to +85°C (without display); -30°C to +70°C (with display); Humidity less than 70% RH
Medium Temperature Range: -40°C to +300°C
Sensor Diameter: ∅3, ∅2.5
Insertion Sensor Probe Diameter: ∅19 (standard), ∅16, ∅12
Sensor Material: 316 stainless steel, Hastelloy alloy, titanium
Probe Material: 316 stainless steel (standard), Hastelloy alloy
Bidirectional Measurement: Yes
Analog Output: Flow: 4-20 mA·DC; Temperature: 4-20 mA·DC; Max load: 1000Ω
Communication: Serial output RS232/RS485
Power Supply: 24VDC/600mA; 220VAC/2W; 110VAC/3W
Alarm: 1-2 relay outputs, 5A/220V, 5A/30VDC
LCD Display: Seven-digit instantaneous flow, eight-digit cumulative flow
Process Pressure: 1.6 MPa (maximum 16 MPa)
Installation Forms: Insertion type (clamp sleeve, clamp sleeve + ball valve, flange connection), pipeline type (flange, threaded connection)
Explosion-proof Level: Intrinsic safety type (iaⅡCT5), flameproof type (ExdⅡCT4)
Protection Level: IP65

Functions:
Ideal for measuring steam, gases, and liquids.
Provides high accuracy and reliability.
Commonly used in power plants, chemical processing, and HVAC systems.

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Ultrasonic Flowmeter

Technical Specifications:
Measurement Range: 0 to 30 m/s
Accuracy: ±1% of reading
Pipe Diameter Range: DN15 to DN6000
Temperature Range: -40°C to +160°C
Power Supply: AC 85-264V, DC 24V
Output: 4-20mA, RS485, pulse output, relay output
Protection Level: IP65, IP67

Functions:
Measures flow rate by detecting the effect of fluid flow on an ultrasonic beam.
Non-intrusive and suitable for a wide range of applications.
Used in water treatment, HVAC, and chemical industries.

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Turbine Flowmeter

Technical Specifications:
Diameter Range: DN4 to DN200
Flow Range: 0.6 to 10000 m³/h
Accuracy: ±0.5%, ±1.0%
Temperature Range: -20°C to +120°C
Output: 4-20mA, pulse output, RS485
Power Supply: DC 24V
Protection Level: IP65

Functions:
Measures volumetric flow by using a mechanical turbine.
High accuracy and suitable for clean liquids.
Commonly used in petroleum, chemical, and pharmaceutical industries.

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Metal Tube Rotameter

Technical Specifications:
Measurement Range: 0.1 to 150,000 L/h for water, 0.05 to 4000 m³/h for air
Accuracy: ±1.5%, ±1.0%
Temperature Range: -40°C to +300°C
Pressure Rating: 1.6 MPa to 25 MPa
Output: 4-20mA, pulse output
Power Supply: DC 24V, battery-operated
Protection Level: IP65

Functions:
Variable area flow meter with a metal tube.
Suitable for opaque and aggressive fluids.
Used in chemical, petrochemical, and power industries.

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Precession Vortex Flowmeter

Technical Specifications:
Measurement Range: 0.5 to 2000 m³/h for gases, 0.1 to 1000 m³/h for liquids
Accuracy: ±1.0%, ±1.5%
Temperature Range: -20°C to +250°C
Pressure Rating: 1.6 MPa to 4.0 MPa
Output: 4-20mA, pulse output, RS485
Power Supply: DC 24V
Protection Level: IP65

Functions:
Suitable for measuring gas and steam flow.
Provides accurate and reliable measurements.
Commonly used in chemical and power industries.

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Elbow Flow Meter

Technical Specifications:
Diameter Range: DN15 to DN300
Flow Range: 0.1 to 200 m³/h
Accuracy: ±1.0%, ±1.5%
Temperature Range: -20°C to +200°C
Pressure Rating: 1.6 MPa to 4.0 MPa
Output: 4-20mA, pulse output
Power Supply: DC 24V
Protection Level: IP65

Functions:
Uses the differential pressure principle to measure flow.
No moving parts, low maintenance.
Suitable for various industries including chemical and water treatment.

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Target Flowmeter

Technical Specifications:
Diameter Range: DN25 to DN300
Flow Range: 0.5 to 2000 m³/h
Accuracy: ±1.0%, ±1.5%
Temperature Range: -20°C to +250°C
Pressure Rating: 1.6 MPa to 4.0 MPa
Output: 4-20mA, pulse output, RS485
Power Supply: DC 24V
Protection Level: IP65

Functions:
Measures flow using a target plate deflected by fluid flow.
Suitable for viscous and dirty fluids.
Commonly used in chemical and petrochemical industries.

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Thermal Gas Mass Flowmeter

Technical Specifications:
Measurement Range: 0.1 to 100 Nm/s
Accuracy: ±1.0%, ±1.5%
Temperature Range: -40°C to +200°C
Pressure Rating: 1.6 MPa to 4.0 MPa
Output: 4-20mA, pulse output, RS485
Power Supply: DC 24V
Protection Level: IP65

Functions:
Measures mass flow of gases using thermal dispersion.
High accuracy and suitable for low flow rates.
Used in HVAC, chemical, and semiconductor industries.

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Orifice Plate

Technical Specifications:
Diameter Range: DN15 to DN1000
Flow Range: Wide range depending on plate size
Accuracy: ±0.5%, ±1.0%
Temperature Range: -40°C to +500°C
Pressure Rating: Up to 42 MPa
Output: Differential pressure signal

Functions:
Primary element for differential pressure flow measurement.
Simple design, no moving parts.
Used in various industries including oil & gas and water treatment.

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Balanced Flowmeter

Technical Specifications:
Diameter Range: DN15 to DN1000
Flow Range: Wide range depending on meter size
Accuracy: ±0.5%, ±1.0%
Temperature Range: -40°C to +500°C
Pressure Rating: Up to 42 MPa
Output: Differential pressure signal

Functions:
Provides a stable and accurate flow measurement.
Reduces pressure loss compared to traditional orifice plates.
Used in power, chemical, and oil & gas industries.

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V-Cone Flowmeter

Technical Specifications:
Diameter Range: DN25 to DN300
Flow Range: 0.1 to 2000 m³/h
Accuracy: ±0.5%, ±1.0%
Temperature Range: -40°C to +250°C
Pressure Rating: Up to 42 MPa
Output: Differential pressure signal

Functions:
Utilizes a cone-shaped element in the flow stream to create differential pressure.
Provides stable and accurate flow measurement.
Minimal straight pipe requirements.
Commonly used in oil & gas, chemical, and water industries for various applications including high-pressure systems.

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Orifice Plate Flowmeter

Technical Specifications:
Diameter Range: DN15 to DN1000
Flow Range: Wide range depending on plate size
Accuracy: ±0.5%, ±1.0%
Temperature Range: -40°C to +500°C
Pressure Rating: Up to 42 MPa
Output: Differential pressure signal

Functions:
Consists of a thin plate with a hole in the middle placed in the flow stream.
Measures flow rate by calculating the pressure drop across the orifice.
Simple design and easy to install.
Suitable for a variety of fluids including gases, liquids, and steam.
Commonly used in oil & gas, water treatment, and chemical processing.

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Variable Area Flowmeter

Technical Specifications:
Diameter Range: DN4 to DN200
Flow Range: 0.04 to 40000 L/h for water; 0.01 to 4000 m³/h for air
Accuracy: ±1.6%, ±2.5%
Temperature Range: -20°C to +200°C (depending on material)
Pressure Rating: Up to 25 MPa
Output: Analog (scale reading), 4-20mA output (optional)
Material: Glass, stainless steel, plastic
Power Supply: Battery or 24VDC (for electronic types)
Protection Level: IP65

Functions:
Measures flow rate by allowing the fluid to pass through a tapered tube and lift a float, which indicates flow rate on a scale.
Suitable for transparent fluids and gases.
Provides a direct visual indication of flow rate.
Can be used with a variety of process fluids.
Commonly used in laboratory applications, water treatment, and chemical processes.

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Advantages of Our Flow Meter Products

At JIANGSU JIECHUANG SCIENCE AND TECHNOLOGY CO., LTD., we address common pain points faced by customers in industrial applications by offering flow meter products that deliver multiple key advantages:

Accurate and Reliable Calibration

Bubble Compensation: Advanced algorithms ensure accurate readings despite the presence of bubbles, avoiding interference.
Resistance to Environmental Factors

Bubble Compensation: Advanced algorithms ensure accurate readings despite the presence of bubbles, avoiding interference.
Reduction of Electrical Interference

Enhanced Shielding and Grounding: To combat electrical interference, our products employ advanced shielding and grounding techniques to ensure signal integrity.
Built-In Filters: Integrated filters reduce the impact of electrical noise, protecting sensors and enhancing accuracy.
Corrosion and Wear Resistance

High-Quality Materials: Constructed with robust materials like stainless steel, Hastelloy, and titanium, our flow meters can withstand corrosive and abrasive liquids, ensuring long-term reliability.
Anti-Clog Design

Easy-to-Clean Pathways: Our flow meters feature anti-clog designs with pathways that are easy to clean, reducing maintenance workload and downtime.
Anti-Fouling Sensors

Coated Sensors: Sensors are equipped with anti-fouling coatings to prevent material buildup, ensuring continuous accuracy.
Easy Cleaning: Sensors are easily accessible for routine cleaning without complex procedures.
Protection Against Mechanical Damage

Durable Construction: Designed with rugged housings and shock-absorbing mounts to withstand impacts and vibrations, protecting sensor integrity.
Fluid Compatibility

Custom Material Options: Offering a variety of materials and custom solutions to ensure compatibility with various fluids, including corrosive and abrasive types, meeting diverse application needs.
Precise Flow Measurements

Comprehensive Installation Guides: Our products come with detailed installation instructions to ensure correct setup and precise readings.
Real-Time Diagnostics: Equipped with real-time diagnostic functions to provide instant performance feedback, ensuring reliability and reducing the risk of erroneous readings.

By addressing these common industrial challenges, our flow meters enhance operational efficiency, reduce maintenance costs, and provide reliable and accurate measurements across various applications. This commitment to solving customer pain points sets our products apart, ensuring long-term satisfaction and success in industries such as oil, natural gas, and power.

Flow Meters Overview

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Summary of Flowmeters

Advantages of Our Flow Meter Products

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