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Introduction to the F-460 Flow Meter


The F-460 Flow Meter is a variable area style flow meter designed to mount in-line vertically to water pipes as part of a water system. The F-460 Flow Meter has been an industry-standard in the water market for over 50 years. The accuracy, simple design, easy installation, and affordable pricing make the F-460 an excellent choice for your water flow measurement needs.  

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Product Overview / Features of the F-460 Flow Meter 

  • Installs quickly. 
  • Direct reading permanent scale. 
  • Adapter sizes 1/2” and 3/4″ F/NPT with PVDF or PVC adapters.  
  • In-line vertical installation only.  
  • Flow rates from 0.1 to 5 GPM, 0.4 to 20 lpm. 
  • One piece molded Polysulfone body. 
  • Not suitable for installation in direct sunlight.  
  • Easy to read dual scale for GPM and LPM.  
  • PTFE Float. 
  • PVD or Anodized Aluminum union nuts.  
  • No metal in the fluid path. 
  • 1 Year Limited Warranty. 


The F-460 Flow Meter is perfect for water monitoring applications in processing plants, water systems, RO Systems, DI systems, wet processing equipment, cooling systems, and water plants.  The F-460 Flow Meter has no metal in the fluid path, making it ideal for DI water and other corrosive environments where an all-plastic meter is required. The F-460 Flow Meter has excellent temperature, pressures, and chemical resistance.  The F-460 Flow Meter can be installed on any existing Schedule 40 or Schedule 80 pipe.  Typical solutions used with this flowmeter will be free of debris.  

All F-460 Flow Meters are tested with water.  F-460 Flow Meter may be suitable for other chemicals. It is the responsibility of the user to ensure it is compatible with the chemical or application in question.  

Ordering Information and Product Matrix 

Flow meters must be ordered with a complete part number, specifying scale, adapter size, and O-ring material. A sample complete part number is F-46010LP-08P, indicating 0.1 -1.2 GPM with 1/2” F/NPT PVC adapter, PVC Union nuts, and Viton O-rings. 

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