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. Acrylic Panel Mount Flow Meter, Polypropylene Connector, Adjustable Valve - Water

    Acrylic Panel Mount Flow Meter, Polypropylene Connector, Adjustable Valve - Water

    Acrylic Panel Mount Flow Meter, Polypropylene Connector, Adjustable Valve - Water
  2. Industrial Stainless Steel In-Line Flow Meter, NPT Connector, No Valve (M Meter)

    Industrial Stainless Steel In-Line Flow Meter, NPT Connector, No Valve (M Meter)

    Heavy-duty flow meters are fully enclosed in a brushed stainless steel case. Ideal for industrial applications with flow rates of up to 116 GPM / 440 L/min and 250 SCFM / 7080 L/min. Used for flow measurements of liquids (water) and gases (air.) Meters are graduated for direct reading of water and air. Wetted parts include borosilicate glass flow tubes, Viton™ O-rings and 316 Stainless Steel fittings, guide rods and float stops. These flow meters come with FNPT end fittings.
  3. 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.
  4. 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.
  5. Industrial Stainless Steel Flanged Flow Meter, Flange Connector, No Valve (M Meter)

    Industrial Stainless Steel Flanged Flow Meter, Flange Connector, No Valve (M Meter)

    Heavy-duty flow meters are fully enclosed in a brushed stainless steel case. Ideal for industrial applications with flow rates of up to 116 GPM / 440 L/min and 250 SCFM / 7080 L/min. Used for flow measurements of liquids (water) and gases (air.) Meters are graduated for direct reading of water and air. Wetted parts include borosilicate glass flow tubes, Viton® O-rings and 316 Stainless Steel fittings, guide rods and float stops. These flow meters come with flanged end fittings for easy in-line installation.
  6. Carbon Dioxide Flow Meter - Acrylic, Brass Fittings

    Carbon Dioxide Flow Meter - Acrylic, Brass Fittings

    Available for multiple flow rates, this Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Carbon Dioxide flow values. Viton Seals, 1/8" FNPT and Brass End fittings are standard. The float material varies based on the metering range (316 SS, Carboloy, Glass). Available for metering flow rates from 1.1 LPM (2.5 SCFH) to 35 LPM (80 SCFH).
  7. Argon Flow Meter - Acrylic, Brass Fittings

    Argon Flow Meter - Acrylic, Brass Fittings

    Available for multiple flow rates, this Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Argon flow values. Viton Seals, 1/8" FNPT and Brass End fittings are standard. The float material varies based on the metering range (316 SS, Carboloy, Glass). Available for metering flow rates from 1.0 LPM (2.0 SCFH) to 40 LPM (80 SCFH).
  8. Air Flow Meter - Acrylic, Brass Fittings

    Air Flow Meter - Acrylic, Brass Fittings

    Available for multiple flow rates, this Acrylic Flow meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Air flow values. Viton Seals, 1/8" FNPT and Brass End fittings are standard. The float material varies based on the metering range (316 SS, Carboloy, Glass).
  9. Oxygen Flow Meter - Acrylic, Brass Fittings

    Oxygen Flow Meter - Acrylic, Brass Fittings

    Available for multiple flow rates, this Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Oxygen flow values. Viton Seals, 1/8" FNPT and Brass End fittings are standard. The float material varies based on the metering range (316 SS, Carboloy, Glass). Available for metering flow rates from 1.1 LPM (2.5 SCFH) to 45 LPM (90 SCFH).
  10. Nitrogen Flow Meter - Acrylic, Brass Fittings

    Nitrogen Flow Meter - Acrylic, Brass 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 Brass End 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).
  11. Helium Flow Meter - Acrylic, Brass Fittings

    Helium Flow Meter - Acrylic, Brass Fittings

    Available for multiple flow rates, this Acrylic Flow Meter has a Dual Direct Reading Scale with yellow backing for easy viewing of Helium flow values. Viton Seals, 1/8" FNPT and Brass End fittings are standard. The float material varies based on the metering range (316 SS, Carboloy, Glass). Available for metering flow rates from 2.0 LPM (4.0 SCFH) to 110 LPM (250 SCFH).
  12. Argon Flow Meter - Acrylic, Stainless Fittings

    Argon 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 Argon 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 1.0 LPM (2.0 SCFH) to 40 LPM (80 SCFH).
  13. Oxygen Flow Meter - Acrylic, Stainless Fittings

    Oxygen 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 Oxygen 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 1.1 LPM (2.5 SCFH) to 45 LPM (90 SCFH).
  14. Air Flow Meter - Acrylic, Stainless Fittings

    Air 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 Air 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).
  15. 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)
  16. Water Flow Meter - Acrylic, Brass Fittings

    Water Flow Meter - Acrylic, Brass 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 Brass 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).
  17. Helium Flow Meter - Acrylic, Stainless Fittings

    Helium 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 Helium 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 2.0 LPM (4.0 SCFH) to 110 LPM (250 SCFH).
  18. Carbon Dioxide Flow Meter - Acrylic, Stainless Fittings

    Carbon Dioxide 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 Carbon Dioxide flow values. Viton Seals, 1/8" FNPT and Brass End fittings are standard. The float material varies based on the metering range (316 SS, Carboloy, Glass). Available for metering flow rates from 1.1 LPM (2.5 SCFH) to 35 LPM (80 SCFH).

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