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Paddlewheel Flow Meters

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About Paddlewheel Flow Meters

Paddlewheel flow meters have a paddle wheel that is perpendicular to the flow path. The rotor axis is positioned to limit contact between the paddles and the flowing media. There are many different types of paddlewheel flow meters. Examples include gas flow meters, air flow meters, liquid flow meters, and water flow meters. A gas flow meter is used to determine the flow of a moving gas in an enclosed pipe or passage. An air flow meter is used to measure airflow rate by measuring only a part of the entire flow. A liquid flow meter is used to determine the flow of quantity of a moving fluid. A water flow meter is designed to measure the flow of water. Paddlewheel flow meters carry physical, media and operating specifications, and differ in terms of output options and features. 

Pipe diameter, mounting style and end fittings are important physical specifications to consider when selecting paddlewheel flow meters. Pipe diameter is the diameter of the pipe to be monitored. Choices for mounting style include in-line, insertion, and non-invasive. In-line paddlewheel low meters are installed directly in the process line. They require a straight run of pipe for installation. By contrast, insertion-style paddlewheel flow meters require a threaded hole in the process pipe, or another means of access. Non-invasive paddlewheel flow meters do not require direct-mounting in the process flow, and can be used in closed piping systems. Some flow meters use clamps, compression fittings, or tube ends. Others use flanged, plain end, socket weld, or threaded fittings. 

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Products & Services Related to Paddlewheel Flow Meters

Flow Meters
Flow meters (flowmeters) and flow sensors are devices used for measuring the flow rate or quantity of a moving fluid or gas.
Gas Flow Meters
Gas flow meters are used for measuring the flow or quantity of a moving gas in an enclosed pipe or passage.
Liquid Flow Meters
Liquid flow meters are used for measuring the flow or quantity of a moving fluid.
Mass Flow Meters and Controllers
A mass flow meter is a device that consist of a mass flow sensor or transducer and signal processing electronics.  Fluid (liquid or gas) flow is measured in mass rate units (lbs/min).
Mass Flow Switches
Mass liquid flow switches and mass gas flow switches are devices used for measuring the flow or quantity of a moving liquid or gas in terms of a unit of mass per unit time, such as pounds per minute. These devices may be sensors with electrical output or may be stand-alone instruments with local displays and controls.
Ultrasonic Flow Meters
Ultrasonic flow meters use sound waves to determine flow rates. They can be either Doppler Effect meters or Time-of-Flight meters.
Volumetric Gas Flow Switches
Volumetric gas flow switches are devices with a switch output used for measuring the flow or quantity of a moving gas in terms of a unit of volume per unit time, such as cubic feet per minute.

Engineering Web: Paddlewheel Flow Meters

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Flowmeters - Air Flowmeters - Mass Flowmeters: Universal Flow...
Paddlewheel flow meters for pipe sizes 1/2-8 inches Costs less than most Paddle Wheel meters of equivilent flow
See Universal Flow Monitors, Inc. Information
Aalborg, Manufacturer of High Quality Flow Instrumentation
AALBORG manufactures rotameters, mass flow controllers, vortex flow meters, and many other flowmeters.
See Aalborg Instruments Profile & Catalog
Cole-Parmer: Catalog Table of Contents
Whether you need to monitor water or gas flow rates, Cole-Parmer offers a wide selection of flow meters, including variable area, thermal mass,
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