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. Polysulfone High Volume In-Line Flow Meter, 2" FNPT Connections, Polycarbonate Shield - Water (GPM/LPM)

    Polysulfone High Volume In-Line Flow Meter, 2" FNPT Connections, Polycarbonate Shield - Water (GPM/LPM)

    Polysulfone Flow Meters are designed with chemical and heat resistant one-piece injection-molded polysulfone. Built compact for tight installation spaces, the tough meter body resists high temperatures and pressures. In- line or panel mount configurations are available. Units feature Quik Loc (half union) connectors. that couple the meter to the pipe connectors at each end of the flow meter. For panel mounting, simply drill two holes in your panel, insert the meter fittings through the holes and secure with lock nuts. Rotate for easy reading.

  2. 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).
  3. 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).
  4. 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).
  5. 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 (70 SCFM).
  6. 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.
  7. 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.
  8. Model pictured without brass connections

    Polysulfone High Volume In-Line Flow Meter with Brass Connections - Water (GPM/LPM), No Valve

    The 6B0302-H2O is a high volume series of flow meters offering excellent accuracy and repeatability. Combined with a durable injection molded Polysulfone meter body and connections, this flow meter offers brass adapters and cost effective 316 SS internal parts. This flow meter is designed to be mounted inline. With a 1" FNPT connection, this line has a liquid flow range of 0.5 to 40 GPM (2 - 155 LPM). Half unions couple the meter body to the connectors at each end of the flow meter, facilitating both installation and maintenance.
  9. 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).
  10. 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).
  11. 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).
  12. 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).
  13. 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).
  14. 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).
  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).
  16. 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).
  17. Nitrogen Flow Meters - Acrylic, Brass Fittings, No Valve

    Nitrogen Flow Meters - Acrylic, Brass Fittings, No Valve

    This Acrylic Flowmeter has a Dual Direct Reading Scale with yellow backing for easy viewing of Nitrogen flow values. Viton® Seals, 3/8" FNPT and Brass End fittings are standard. The float/guide material is 316 Stainless Steel. This Flowmeter is designed for panel mounting and can handle a Maximum Flow Rate of 575 LPM (20.5 SCFM). No Valve.
  18. Oxygen Flow Meters - Acrylic, Brass Fittings, No Valve

    Oxygen Flow Meters - Acrylic, Brass Fittings, No Valve

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

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