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Working Principle of Positive Displacement Flow Meter

2025-11-04

Latest company news about Working Principle of Positive Displacement Flow Meter


M Series Positive Displacement Flow Meter for Liquid Control


The M Series meter is a high-precision positive displacement flow meter designed for accurate liquid measurement in both transfer and process control applications. Its robust construction ensures easy maintenance and versatility, making it suitable for a wide range of industrial uses, including chemical processing, petroleum, water management, and food & beverage industries.


Key Features

  • Positive Displacement Mechanism: Measures liquid volume directly by mechanically dividing fluid into fixed volumes.

  • Durable Rotor Design: Two bladed displacement rotors and a central blocking rotor rotate in synchronized motion within three cylindrical bores.

  • No Metal-to-Metal Contact: Ensures long-term durability and reduces wear.

  • Capillary Seal Technology: The blocking rotor creates a continuous seal between unmetered upstream fluid and metered downstream fluid for high accuracy.

  • Timing Gear System: Each rotor shaft includes a timing gear; the blocking rotor gear has twice the teeth of the displacement rotor gears and rotates at half the speed, ensuring precise synchronization.


Advantages

  • Reliable and highly accurate liquid flow measurement.

  • Handles a wide range of flow rates and viscosities.

  • Easy to maintain due to its simple, robust design.

  • Suitable for industrial and process control environments.


Applications

  • Chemical and petrochemical industries

  • Fuel and oil metering

  • Water treatment and distribution

  • Food and beverage production


The M Series positive displacement meter combines precision, reliability, and ease of maintenance, making it an ideal solution for industrial liquid metering where accuracy and consistency are critical.







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