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Water and Other Fluid Meters
Hedland

Water and Other Fluid Meters

Hedland water and other fluid meters are designed to monitor fluid flow rates of water and solvents. These meters closely resemble their water-based fluid counterpart, with the exception of different internal wetted components for fluid compatibility. The standard meters provide an economical solution for operators needing a quick, visual indication of flow, without the use of additional electronics. A variety of end fittings and different material types create product flexibility and material compatibility. Expansion options are available to allow integration into remote systems via electronic output.

How to Buy Hedland Flow Meters

Overview

The Hedland Flow Meter is a variable area (rotameter) instrument. A precision machined, sharp-edged Orifice is located within the piston assembly and forms an annular opening with the contoured metering cone. The piston assembly carries a cylindrical PPS/ ceramic magnet that is magnetically coupled to an external flow Indicator that moves precisely, in direct response to movement of the piston. A calibrated spring opposes flow in the forward direction. This spring decreases viscosity sensitivity and allows the flow meter to be used in any position, including inverted.

Benefits

  • No electronics needed to obtain a reading
  • Can be installed in any position / orientation without affecting accuracy
  • The most readable product in its class
  • Does not require special plumbing or accessories to stabilize turbulent flow
  • Magnetic coupling eliminates the need for mechanical linkages that wear, loosen and leak over the functional life of competitive meters
  • Custom scale options to meet exact application requirements

Features

  • Direct reading
  • Internal calibrated spring
  • 360° rotatable guard/scale
  • Easier-to-read linear scale
  • No flow straighteners or special piping required
  • Relatively insensitive to shock and vibration
  • Special scales available

Specifications

Size
1/4...3 in.
Temperature Range
-20…240 °F
Flow Range
0.02…275 gpm
Pressure Range
Up to 6000 PSI
Accuracy
±2 %
(1/4 inch only) ±7 %

Additional Specifications

Application Examples

Hydraulic Components
Water Flow Monitoring
Water Cooled Heat Sinks
Cold Water in Chiller Systems
Reverse Osmosis Systems
Foam Additives
Control Flushing
Water Batching
Concrete Mixing
Snow Making Equipment

Industries
Aviation & Aerospace
Chemical, Refining & Petrochemical
Irrigation
Oil & Gas
Process or Industrial
Test Equipment & Services
Water & Wastewater Treatment

Product Resources

Parts, Accessories & Other Options

MR Transmitter

MR Transmitter More Info Less Info

The MR flow transmitter further expands the Hedland variable area (rotameter) product offering by allowing flow rates and totals to be digitally displayed or transmitted via current or voltage output. The unit features non-contact sensor electronics, an electronic signal conditioning circuit and in-field compensation capabilities. Flow meter elements are enclosed within a NEMA 12 and 13 (IP 52/54) rated enclosure and is CE compliant. The large LCD display allows for extended viewing ranges and easier programming. 

Hedland MR Flow Transmitter User Manual (XMT-UM-00498-EN) Hedland Variable Area Flow Meters and Flow Switches Brochure (VAM-BR-00714-EN) Hedland Variable Area Flow Meters and Flow Switches Catalog (VAM-CA-00254-EN)
Water and Other Fluid Flow-Alert

Water and Other Fluid Flow-Alert More Info Less Info

The Hedland Flow-Alert is a variable area flow meter (rotameter) that provides a local flow indication and electronic switches to automatically signal system operators or PLCs if flow rate is below, or above, system specifications. Flow meter elements are enclosed within a NEMA 12 and 13 (IP 52/54) rated enclosure. Users can order meters with one or two Micro or Reed Switches, in normally open or closed states.

Hedland Flow-Alert - Flow Switch User Manual (VAM-UM-00646-EN) Hedland Variable Area Flow Meters and Flow Switches Brochure (VAM-BR-00714-EN) Hedland Variable Area Flow Meters and Flow Switches Catalog (VAM-CA-00254-EN)
Water and Other Fluid High Temperature

Water and Other Fluid High Temperature More Info Less Info

High temperature flow meters contain all the inherent benefits of the Hedland variable area flow meter (rotameter), but with extended temperature range capabilities. 

Hedland Inline Liquid Flow Meter Manual (VAM-UM-00551-EN) Hedland Variable Area Flow Meters and Flow Switches Brochure (VAM-BR-00714-EN) Hedland Variable Area Flow Meters and Flow Switches Catalog (VAM-CA-00254-EN)
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