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TCS 682 AF Meter
Accurately meter industrial chemicals, solvents, pesticides, fertilizers, liquid feeds, corn syrup, alcohol, & more.
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The 1.5" 682 AF piston flow meter is designed to meter industrial chemicals, solvents, pesticides, fertilizer, chlorinated solvents, paints, inks, alcohols, molasses, corn syrup, and more.


682 AF Meter Specific

  • Housing: Ductile Iron
  • Internal Mechanism: Iron, Steel, & Stainless Steel
  • Ball Bearings: Stainless Steel
  • Internal Hardware: Stainless Steel
  • Packing Seal: Simriz*
  • Body O-ring: PTFE

All 682 Meters

  • Flow Range: 0.2 to 50 GPM (0.76 to 190 LPM); 250:1 Turndown Ratio
  • Linear Accuracy: Capable of +/- 0.1% over flow range
  • Repeatability: Capable of 0.01%
  • Operating Pressure: Up to 150 PSI (10.5 BAR)
  • Temperature Range: - 40 to 160°F (- 40 to 71°C)
  • Viscosity Range: Will accurately measure liquids up to 50,000 SSU (11,000 CPS)
  • Connections: 1-1/2" NPT Companion Flanges are standard, 1" & 2" NPT optional. BSPT, Slip Weld, and ANSI flanges are available upon request.

*Simriz is a registered trademark of Freudenberg-NOK


Don't see the regulatory approval you need? Contact us. TCS is continually adding to this list. Approvals could be available for a comparable meter, in final approval stages, or simply not added to the website yet.


The following accessories are compatible with TCS 682 All Ferrous (AF) Meter.

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  • 740 Air Eliminator & Strainer

    A float and valve design senses and removes free air before it can enter the flow meter. Required for custody transfer applications to ensure the most precise measurement.
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  • 650 Hydraulic Preset Valve

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