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Propeller Flow Meters

Propeller flow meters are mechanical flow measurement devices commonly used for measuring liquid flow in large-diameter pipelines. They work by placing a rotating propeller in the fluid stream; as the liquid flows through, it spins the propeller, and the rotational speed is directly proportional to the flow rate.

These meters are especially popular in agriculture, water utilities, and industrial water systems due to their simple construction, cost-effectiveness, and long service life. Their ability to reliably measure flow in clean water applications has made them a trusted standard in irrigation and municipal water distribution systems.

Have a particular application or project in mind? We’d welcome a call on +44 (0) 1189 169 420 or email: info@247able.com

Key Advantages:

  • Cost-Effective: A highly affordable option for liquid flow measurement compared to more complex technologies.
  • Simplicity & Durability: Mechanical design with minimal moving parts ensures long-term reliability.
  • Low Maintenance: Requires only occasional calibration and simple servicing.
  • Large Pipe Compatibility: Ideal for monitoring flow in large-diameter pipelines.
  • Reliable for Clean Water: Performs well in clear or slightly dirty water conditions.

Limitations:

  • Liquid Only: Not suitable for gas or steam measurement.
  • Wear Over Time: Propeller components may degrade in abrasive or high-solids flows.
  • Full Pipe Required: Accuracy depends on a full-pipe condition without air pockets.
  • Less Accurate at Low Flows: Best performance occurs at moderate to high flow rates.

Common Applications:

  • Irrigation Systems: Ideal for measuring flow in agricultural water delivery networks.
  • Municipal Water Supply: Helps monitor and manage flow in distribution mains.
  • Industrial Water Systems: Used in cooling water circuits, wastewater flows, and general water processing.
  • Hydraulic Installations: Suitable for monitoring water movement in industrial fluid systems.

The McCrometer McPropeller – Trusted Mechanical Flow Measurement

The McCrometer McPropeller Flow Meter is a robust and cost-effective solution for measuring water flow in a wide range of applications. With a mechanical design based on a flexible drive train and sealed ball bearings, it offers reliable performance with minimal maintenance.

It includes an instantaneous flow rate indicator, a 6-digit totalizer, and is built to AWWA C704-08 standards. The meter requires no external power or batteries and is easy to service in the field. Designed to handle solids in water without clogging and without tight internal tolerances, it is particularly well-suited to irrigation, municipal water, and industrial processing applications.

Whether for new installations or retrofits, the McPropeller is a lightweight, accurate, and economical choice for liquid flow monitoring—delivering dependable data where you need it most.

ABLE – McCrometer’s Exclusive Sales & Service Partner for the UK & Ireland

As McCrometer’s exclusive representative in the UK and Ireland, ABLE Instruments is uniquely positioned to support you and your customers across all stages of a flow measurement project. Our team provides:

  • Application expertise for correct product selection and system integration.
  • Factory-trained engineers offering post-sale technical support, service, and maintenance (with contracts available).
  • McCrometer product training, available in-person or via video call.

In addition, ABLE can design and deliver custom flow solutions tailored to your specific requirements.

To discuss your project or request support, contact us at info@247able.com

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