Wafer electromagnetic flowmeter

Approved by：CE, SIL-3, ATEX Explosion-proof certification

The Wafer Clamp Electromagnetic Flowmeter is an advanced, high-performance instrument engineered for precise and reliable measurement of conductive liquids. Operating on Faraday’s Law of Electromagnetic Induction, it provides an obstructionless flow path, ensuring exceptional accuracy with minimal pressure loss. Its defining feature is a compact, flangeless “wafer” style body designed to be securely clamped between two existing pipeline flanges using long through-bolts.

This innovative mounting design makes the flowmeter significantly lighter, more compact, and more economical than traditional flanged meters. By eliminating the need for integral flanges, it simplifies installation, reduces material costs, and allows for placement in space-constrained environments without compromising measurement integrity.

Constructed with a range of robust, corrosion-resistant materials for both its liners and electrodes, the Wafer Clamp Electromagnetic Flowmeter is a versatile and durable solution. It is engineered to deliver stable, repeatable, and accurate flow measurement across a wide spectrum of industrial processes, making it a preferred choice for modern process control and fluid management systems.

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  • Exceptional Accuracy and Performance: Delivers high-precision measurement, often with an accuracy of ±0.5% of the reading or better, ensuring reliable data for process control and monitoring. Its principle of operation is independent of fluid viscosity, density, temperature, and pressure.

  • Compact Wafer-Style Installation: The flangeless design allows the meter to be “sandwiched” between existing ANSI, DIN, or other standard flanges, significantly reducing its weight and installation footprint compared to full-body flanged meters.

  • Obstructionless Measurement with Zero Pressure Loss: The internal diameter of the meter matches the pipe, creating a smooth, open flow path with no moving parts or intrusions. This design eliminates clogging and results in virtually zero pressure drop, enhancing energy efficiency in pumping systems.

  • Superior Durability and Chemical Compatibility: A wide selection of liner materials, such as hard rubber, PTFE, and PFA, provides excellent protection against abrasion and corrosion. Electrode options include highly durable Stainless Steel, Hastelloy C, Titanium, and Tantalum to handle aggressive and corrosive conductive fluids.

  • Advanced Diagnostics and Communication: Equipped with intelligent converters that feature self-diagnostic capabilities for empty pipe detection, excitation current faults, and electrode fouling. It supports multiple communication protocols, including 4-20mA analog output, pulse/frequency, and digital options like Modbus or HART for seamless integration with PLCs, SCADA systems, and DCS.

  • Bi-Directional Flow Measurement: The meter is inherently capable of measuring flow in both forward and reverse directions, a critical function for processes involving complex loops or potential backflow scenarios.

  • Low Maintenance and Long Service Life: With no moving components to wear, break, or require routine service, the meter offers a highly reliable, low-maintenance “fit and forget” solution, resulting in a low total cost of ownership.

  • Applicable Medium: Conductive Liquids ≥ 5 μS/cm
  • Accuracy: ±0.5% of reading
  • Caliber Range: DN3–DN200
  • Pressure Range: 0.1~1.6Mpa
  • Lining Materials: PTFE, F46, PFA
  • Electrode Materials: 316L Stainless Steel, Hastelloy B, Hastelloy C, Titanium, Tantalum, Platinum-iridium alloy, Stainless Steel Coated Tungsten Carbide
  • Fluid Temperature Standard: -25°C to 80°C, Customizable: Up to 120°C or 150°C
  • Protection Level: Sensor: IP65/IP67/IP68 (optional), Converter: IP65
  • Output Signals: Frequency, Pulse, 4-20mA, RS485, Modbus (Optional: Hart protocol, Profibus DP)
  • Power supply: 85 ~ 250V AC, 45 ~ 63Hz, 20V DC ~ 36V DC

The Wafer Clamp Electromagnetic Flowmeter’s unique combination of accuracy, compact design, and cost-effectiveness makes it an ideal solution for a diverse range of industries and processes:

  • Water & Wastewater Management: It is widely used in municipal and industrial water circuits for monitoring abstraction, distribution, and discharge. Its empty pipe detection and durable liners are perfect for applications in sewage and effluent treatment plants.

  • HVAC & Building Management Systems: An excellent choice for measuring chilled and hot water in commercial and industrial heating, ventilation, and air conditioning systems, where its low pressure drop maximizes energy efficiency.

  • Chemical Processing and Dosing: The availability of chemically inert liners (PTFE/PFA) and corrosion-resistant electrodes makes it suitable for accurately measuring a wide variety of acids, alkalis, and other conductive chemical solutions in dosing skids and processing lines.

  • Food & Beverage Industry: Used for measuring process water, cleaning-in-place (CIP) solutions, and various liquid food products (provided they are conductive). Its non-intrusive design ensures hygienic operation.

  • Pulp & Paper Industry: Effectively measures process water, chemical additives, and certain types of pulp slurry. The abrasion-resistant liners can withstand the demanding nature of the media.

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