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Rotameters

Rotameters, also known as variable area flow meters, are ideal for measuring the flow rates of a variety of liquid and gas applications.

  • No electrical connections
  • Easy to read direct reading scales
  • Large selection of flow rates and configurations to accommodate the unique requirements of most application.
  • Low maintenance

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  1. Oxygen Flow Meters - Acrylic, Brass Fittings, No Valve

    Oxygen Flow Meters - Acrylic, Brass Fittings, No Valve

    This Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Oxygen 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.
  2. 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.
  3. 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.
  4. Helium Flow Meters - Acrylic, Brass Fittings, No Valve

    Helium Flow Meters - Acrylic, Brass Fittings, No Valve

    This Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Helium 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 1500 LPM (55 SCFM). No Valve.
  5. Water Flow Meter - Acrylic, Stainless Fittings

    Water 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 Water flow values. Viton Seals, 1/8" FNPT and Stainless Steel End fittings are standard. The float material varies based on the metering range (316 SS, Carboloy, Glass). Available for metering flow rates from 20 mL/min (0.3 GPH) to 1400 mL/min (22 GPH).
  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. Oxygen Flow Meters - Acrylic, Brass Fittings, Valve Included

    Oxygen 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 Oxygen 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).
  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. 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).
  11. Helium Flow Meters - Acrylic, Brass Fittings, Valve Included

    Helium 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 Helium 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 1500 LPM (55 SCFM).
  12. Nitrogen (N2) Flow Meters - Acrylic, Polypropylene Fittings, No Valve

    Nitrogen (N2) Flow Meters - 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 2200 LPM (77.5 SCFM). No Valve.
  13. Oxygen (O2) Flow Meters - Acrylic, Polypropylene Fittings, No Valve

    Oxygen (O2) Flow Meters - Acrylic, Polypropylene Fittings, No Valve

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Oxygen 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 2000 LPM (70 SCFM). No Valve.
  14. Air Flow Meters - Acrylic, Polypropylene Fittings, Valve Included

    Air Flow Meters - Acrylic, Polypropylene Fittings, Valve Included

    This Acrylic Flowmeter with Valve 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 2100 LPM (72.5 SCFM).
  15. Carbon Dioxide (CO2) Flow Meters - Acrylic, Polypropylene Fittings, No Valve

    Carbon Dioxide (CO2) Flow Meters - Acrylic, Polypropylene Fittings, No Valve

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Carbon Dioxide (CO2) 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 1800 LPM (62.5 SCFM). No Valve.
  16. Helium (He) Flow Meters - Acrylic, Polypropylene Fittings, No Valve

    Helium (He) Flow Meters - Acrylic, Polypropylene Fittings, No Valve

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Helium 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 5000 LPM (170 SCFM). No Valve.
  17. Argon (Ar) Flow Meter - Acrylic, Polypropylene Fittings, No Valve

    Argon (Ar) 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 1800 LPM (65 SCFM). No Valve.
  18. Air Flow Meters - Acrylic, Polypropylene Fittings, No Valve

    Air Flow Meters - 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 2100 LPM (72.5 SCFM). No Valve.

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