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 Panel Mount Flow Meter with Polysulfone Connections - Water, 2" GPM/LPM or GPH/LPH Scales, No Valve

    Polysulfone Panel Mount Flow Meter with Polysulfone Connections - Water, 2" GPM/LPM or GPH/LPH Scales, No Valve

    These compact, durable flow meter units are injection molded of heat and chemical resistant Polysulfone. They feature Quik Loc (half union) connectors that couple the meter body to the pipe connectors at each end of the flow meter. These meters are designed with curved connections for easy panel mounting.

    With connections of 3/8" MNPT or 1/2" MNPT, the 6B0101 has a fluid flow range of 0.025 GPM to 60 GPM.
  2. Polysulfone In-Line Flow Meter with Brass Connections - Water, 2" GPM/LPM or GPH/LPH Scales, No Valve

    Polysulfone In-Line Flow Meter with Brass Connections - Water, 2" GPM/LPM or GPH/LPH Scales, No Valve

    These compact, durable flow meter units are injection molded of heat and chemical resistant Polysulfone. They feature Quik Loc (half union) connectors that couple the meter body to the pipe connectors at each end of the flow meter. Inline Mounting with Brass Adapters.

    With connections of 3/8" MNPT or 1/2" MNPT, the 6B0103 has a fluid flow range of 0.1 GPM to 60 GPH.
  3. Polysulfone High Volume In-Line Flow Meter - Water (GPM/LPM), No Valve

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

    The 6B0300-H2O is a high volume flow meter offering excellent accuracy and repeatability. Combined with a durable injection molded Polysulfone meter body and connections, this flow meter offers cost effective 316 SS internal parts. This flow meter is designed for inline mounting. 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.
  4. Polysulfone High Volume Panel Mount Flow Meter with Polysulfone Connections - Water (GPM/LPM), No Valve

    Polysulfone High Volume Panel Mount Flow Meter with Polysulfone Connections - Water (GPM/LPM), No Valve

    The 6B0301-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 cost effective 316 SS internal parts. This flow meter is designed to be panel mounted. 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.
  5. Polysulfone High Volume In-Line Flow Meter with 1 1/2" PVC Connections - Water (GPM/LPM)

    Polysulfone High Volume In-Line Flow Meter with 1 1/2" PVC Connections - Water (GPM/LPM)

    The 6B0305-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 cost effective 316 SS internal parts. This flow meter is designed for inline mounting. With connections of 1.5" FNPT, 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.
  6. Polysulfone In-Line Flow Meter with FNPT PVC Connections - Water (GPM/LPM)

    Polysulfone In-Line Flow Meter with FNPT PVC Connections - Water (GPM/LPM)

    The 6B05 series flow meter's rib guided polysulfone contains no metal in the fluid path. This makes the flow meter desirable in highly corrosive environments or deionized water applications. The 6B0500-PVC is equipped with 1/2" or 3/4" FNPT Adapters.
  7. Polysulfone In-Line Flow Meter with FNPT PVDF Connections - Water (GPM/LPM)

    Polysulfone In-Line Flow Meter with FNPT PVDF Connections - Water (GPM/LPM)

    The 6B05 series flow meter's rib guided polysulfone contains no metal in the fluid path. This makes the flow meter desirable in highly corrosive environments or deionized water applications. The 6B0501-PVDF is equipped with 1/2" or 3/4" PVDF FNPT Adapters.
  8. Polysulfone In-Line Flow Meter, Socket Fusion Polypropylene Connections - Water (GPM/LPM)

    Polysulfone In-Line Flow Meter, Socket Fusion Polypropylene Connections - Water (GPM/LPM)

    The 6B05 series flow meter's rib guided polysulfone contains no metal in the fluid path. This makes the flow meter desirable in highly corrosive environments or deionized water applications. The 6B0502-Poly is equipped with 1/2" or 3/4" Socket Fusion Polypropylene Adapters.
  9. Polysulfone High Volume In-Line Flow Meter with FNPT PVDF Connections - Water (GPM/LPM)

    Polysulfone High Volume In-Line Flow Meter with FNPT PVDF Connections - Water (GPM/LPM)

    The 6B06 series flow meter's rib guided polysulfone contains no metal in the fluid path. This makes the flow meter desirable in highly corrosive environments or deionized water applications. The 6B0601-PVDF is equipped with 1" FNPT Adapters.
  10. Acrylic In-Line Flow Meter with High/Low Alarm, Polypropylene Connector, No Valve - Water

    Acrylic In-Line Flow Meter with High/Low Alarm, Polypropylene Connector, No Valve - Water

    Dakota's High-Low Alarm meters for liquids include an aluminum sensor bezel clamp that easily adjusts up and down the meter. A two-wire lead cable is included. These meters have are constructed from solidly machined acrylic flow meter body that is highly polished for a clear finish. Dual Direct-reading flow scales in both English and Metric units along with a white-back reflector allows for easy flow readings. Flow ranges from 2.0 GPM [8 LPM] to 20 GPM [80 LPM] Water.
  11. High Volume Acrylic In-Line Flow Meter with 316 Stainless Steel Guide Rods, PVC Connector, No Valve - Water

    High Volume Acrylic In-Line Flow Meter with 316 Stainless Steel Guide Rods, PVC Connector, No Valve - Water

    High Volume Acrylic In-Line Flow Meter with 316 Stainless Steel Guide Rods, PVC Connector, No Valve - Water
  12. High Volume Acrylic In-Line Flow Meter with Hastelloy Guide Rods, PVC Connector, No Valve - Water

    High Volume Acrylic In-Line Flow Meter with Hastelloy Guide Rods, PVC Connector, No Valve - Water

    High Volume Acrylic In-Line Flow Meter with Hastelloy Guide Rods, PVC Connector, No Valve - Water
  13. High Capacity Acrylic In-Line Flow Meter with 316 Stainless Steel Guide Rod, PVC Connector, No Valve - Water

    High Capacity Acrylic In-Line Flow Meter with 316 Stainless Steel Guide Rod, PVC Connector, No Valve - Water

    High Capacity Acrylic In-Line Flow Meter with 316 Stainless Steel Guide Rod, PVC Connector, No Valve - Water
  14. Acrylic Panel Mount Flow Meter, Polypropylene Connector, No Valve - Water

    Acrylic Panel Mount Flow Meter, Polypropylene Connector, No Valve - Water

    Acrylic Panel Mount Flow Meter, Polypropylene Connector, No Valve - Water
  15. In-Line Model With Valve

    PTFE In Line Flow Meter with Valve, PFA Flow Tube & PTFE/PCTFE Wetted Parts

    Made entirely of PTFE, PFA and PCTFE, the In-Line PTFE Flow Meter is excellent for high-purity applications or use with corrosive liquids. These meters feature chemically inert wetted components and a removable protective shield. Each meter is individually leak tested. Supplied with a standard valve to monitor and control flow.
  16. 65mm Aluminum Flow Meter with CV Valve

    65mm Aluminum Flow Meter with CV Valve

    Designed for low flow rates, these 65mm Single Tube Aluminum Flow Meters are precision instruments embodying the inherent simplicity, versatility and economy of the classical variable area meter. They are particularly suitable for metering carrier gases in chromatography, in manufacturing processes, liquid and gas measurements in laboratories, pilot plants, flow and level indicating and controlling gases. This rotameter comes with a CV Valve. CV Valves are designed for adjusting flow rates in applications where high resolution metering regulation is not essential.
  17. 65mm Brass Flow Meter with CV Valve

    65mm Brass Flow Meter with CV Valve

    Designed for low flow rates, these 65mm Single Tube Brass Flow Meters are precision instruments embodying the inherent simplicity, versatility and economy of the classical variable area meter. They are particularly suitable for metering carrier gases in chromatography, in manufacturing processes, liquid and gas measurements in laboratories, pilot plants, flow and level indicating and controlling gases. This rotameter comes with a CV Valve. CV Valves are designed for adjusting flow rates in applications where high resolution metering regulation is not essential.
  18. 65mm Stainless Steel Flow Meter with CV Valve

    65mm Stainless Steel Flow Meter with CV Valve

    Designed for low flow rates, these 65mm Single Tube Stainless Steel Flow Meters are precision instruments embodying the inherent simplicity, versatility and economy of the classical variable area meter. They are particularly suitable for metering carrier gases in chromatography, in manufacturing processes, liquid and gas measurements in laboratories, pilot plants, flow and level indicating and controlling gases. This rotameter comes with a CV Valve. CV Valves are designed for adjusting flow rates in applications where high resolution metering regulation is not essential.

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