Series VFC & VFCII VISI-Float Acrylic Flowmeter

Brand: Dwyer Instruments, LLC

The Series VFC Visi-Float® Flowmeter is a direct reading, precision machined, clear acrylic body flowmeter suitable for both gas and liquid applications.

This Series consists of two 5" (127 mm) scale flowmeters, the VFC and VFC II.

The VFC features PVC 1" female NPT connections and the VFC II units are equipped with acetal thermoplastic 1" male NPT fittings.
  • Bodies are cut and precision machined from solid, clear acrylic blocks allowing for complete visual inspection
  • White background allows for better visibility of the float increasing reading accuracy
  • Direct reading scales are hot stamped into the plastic eliminating the need for troublesome conversions and increasing product operating life
  • Precision machined tapered bore enables high repeatability
  • Low installation costs with back or end connection options

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  • 2 % of Full Scale

Air Consumption

  • 100 to 2,800 LPM
  • 4 to 100 scfm

Approvals & Certifications

  • RoHS

Enclosure, Body Material

  • Acrylic Plastic

Flow Rate

  • 0.5 to 20 gpm
  • 2 to 75 LPM


  • Scale: 5”

Maximum System Pressure

  • psi: 100 (kPa: 689.5, bar: 7)


  • Compatible Gases
  • Compatible Liquids


  • NIST Traceable Calibration Certificate

NPT Connection

  • 1” NPT Female
  • 1” NPT Male

O-Ring Material

  • Buna-N
  • Fluoroelastomer

Sensor Orientation

  • Mount in Vertical Position

Temperature Range

  • 48° C (120° F)

Wetted Materials

  • Stainless Steel - Metal Parts & Float

  • Medical Equipment
  • Laboratory Equipment
  • Air Samplers
  • Gas Analyzers
  • Pollution Monitors
  • Chemical Injectors
  • Cabinet Purging
  • Remediation
  • Osmosis Skids

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