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Dakota Rotameters

Rotameters, also known as variable area flow meters, are ideal for measuring the flow rates of a variety of liquid and gas applications. These popular, practical units consist of a tube, float, linear scale, long measurement range, and low pressure drop. Models are economical, reliable, simple to maintain, and easy to install. They can withstand corrosive fluids as well as high temperatures and pressures. Rotameters can be calibrated for most gases or liquids. Acrylic, polysulfone, and encased glass-tubed models are available.

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  1. Nitrogen Flow Meter - Acrylic, Stainless Fittings

    Nitrogen Flow Meter - Acrylic, Stainless Fittings

    Available for multiple flow rates, this Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Nitrogen flow values. Viton Seals, 1/8" FNPT and Stainless Steel fittings are standard. The float material varies based on the metering range (316 SS, Carboloy, Glass). Available for metering flow rates from 1.3 LPM (2.75 SCFH) to 45 LPM (100 SCFH)
  2. Air Flow Meters- Acrylic, Brass Fittings, No Valve

    Air Flow Meters- Acrylic, Brass Fittings, No Valve

    This Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Air flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 550 LPM (20 SCFM). No Valve.
  3. Nitrogen Flow Meters - Acrylic, Brass Fittings, No Valve

    Nitrogen Flow Meters - Acrylic, Brass Fittings, No Valve

    This Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Nitrogen flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 575 LPM (21 SCFM). No Valve.
  4. Water Flow Meters - Acrylic, Brass Fittings, No Valve

    Water Flow Meters - Acrylic, Brass Fittings, No Valve

    This Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of H20 flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 15 LPM (4 GPM). No Valve.
  5. Argon Flow Meters - Acrylic, Brass Fittings, No Valve

    Argon Flow Meters - Acrylic, Brass Fittings, No Valve

    This Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Argon flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 525 LPM (19 SCFM). No Valve.
  6. Argon Flow Meters - Acrylic, Brass Fittings, Valve Included

    Argon Flow Meters - Acrylic, Brass Fittings, Valve Included

    This Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Argon flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 525 LPM (19 SCFM).
  7. Nitrogen Flow Meters - Acrylic, Brass Fittings, Valve Included

    Nitrogen Flow Meters - Acrylic, Brass Fittings, Valve Included

    This Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Nitrogen flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 575 LPM (21 SCFM).
  8. Carbon Dioxide Flow Meters - Acrylic, Brass Fittings, No Valve

    Carbon Dioxide Flow Meters - Acrylic, Brass Fittings, No Valve

    This Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Carbon Dioxide (CO2) flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 475 LPM (17 SCFM). No Valve.
  9. Air Flow Meters - Acrylic, Brass Fittings, Valve Included

    Air Flow Meters - Acrylic, Brass Fittings, Valve Included

    This Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Air flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 550 LPM (20 SCFM).
  10. H20 Flow Meters - Acrylic, Brass Fittings, Valve Included

    H20 Flow Meters - Acrylic, Brass Fittings, Valve Included

    This Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of H20 flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 15 LPM (4 GPM).
  11. Argon Flow Meter - Acrylic, Polypropylene Fittings, No Valve

    Argon Flow Meter - Acrylic, Polypropylene Fittings, No Valve

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Argon flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 2500 LPM (90 SCFM). No Valve.
  12. Air Flow Meter - Acrylic, Polypropylene Fittings, Valve Included

    Air Flow Meter - Acrylic, Polypropylene Fittings, Valve Included

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Air flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 3000 LPM (100 SCFM). Valve Included.
  13. Water Flow Meter - Acrylic, Polypropylene Fittings, No Valve

    Water Flow Meter - Acrylic, Polypropylene Fittings, No Valve

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Water flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 60 LPM (15 GPM). No Valve.
  14. Nitrogen Flow Meter - Acrylic, Polypropylene Fittings, No Valve

    Nitrogen Flow Meter - Acrylic, Polypropylene Fittings, No Valve

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Nitrogen flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 3000 LPM (100 SCFM). No Valve.
  15. Carbon Dioxide Flow Meters - Acrylic, Brass Fittings, Valve Included

    Carbon Dioxide Flow Meters - Acrylic, Brass Fittings, Valve Included

    This Acrylic Flow Meter with Valve has a Dual Direct Reading Scale with yellow backing for easy viewing of Carbon Dioxide (CO2) flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flow Meter is designed for panel mounting and can handle a Maximum Flow Rate of 475LPM (17 SCFM).
  16. Argon Flow Meter - Acrylic, Polypropylene Fittings, Valve Included

    Argon Flow Meter - Acrylic, Polypropylene Fittings, Valve Included

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Argon flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 2500 LPM (90 SCFM). Valve Included.
  17. Air Flow Meter - Acrylic, Polypropylene Fittings, No Valve

    Air Flow Meter - Acrylic, Polypropylene Fittings, No Valve

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Air flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 3000 LPM (100 SCFM). No Valve.
  18. Water Flow Meter - Acrylic, Polypropylene Fittings, Valve Included

    Water Flow Meter - Acrylic, Polypropylene Fittings, Valve Included

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Water flow values. Viton® Seals, 3/4" FNPT and Polypropylene End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for inline mounting and can handle a Maximum Flow Rate of 60 LPM (15 GPM). Valve Included.

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