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HEDLAND

HEDLAND is a manufacturer of mechanical flow meters and flow switches, primarily serving industrial fluid power and process applications. The company is known for its variable-area (rotameter) design flow meters, which provide direct-reading scale displays without requiring external power. HEDLAND products are used to measure flow rates of water, hydraulic oils, compressed air, and other gases in a range of industrial systems. The product line includes inline flow meters with scale displays, available in various flow ranges and connection sizes, with accuracy ratings typically at +/-2% or +/-5% of full scale. Seal materials such as Buna-N and Viton are offered to accommodate different fluid compatibility requirements. HEDLAND flow meters feature universal mounting orientation, allowing installation in horizontal or vertical pipe runs without affecting measurement accuracy. Some models include remote output options for integration with monitoring systems. 3G Electric supplies HEDLAND mechanical flow meters and flow switches to industrial buyers worldwide, supporting applications in hydraulic systems, cooling circuits, lubrication loops, and pneumatic networks. The meters are constructed with aluminum or brass bodies and polycarbonate or glass sight tubes, depending on the model, and are rated for pressures up to 3000 psi (207 bar) and temperatures up to 240°F (116°C) in standard configurations. HEDLAND flow switches are also available for flow monitoring and alarm functions. 3G Electric maintains inventory of HEDLAND products with various flow ranges, connection types (NPT, BSPP), and unit-of-measure options (gallons per minute or liters per minute) to meet diverse specification requirements. The company provides logistics support for global shipment, ensuring that HEDLAND flow measurement equipment reaches plant engineers, maintenance managers, and procurement specialists in industrial facilities worldwide.

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About HEDLAND

HEDLAND is a manufacturer of mechanical flow meters and flow switches, primarily serving industrial fluid power and process applications. The company is known for its variable-area (rotameter) design flow meters, which provide direct-reading scale displays without requiring external power. HEDLAND products are used to measure flow rates of water, hydraulic oils, compressed air, and other gases in a range of industrial systems. The product line includes inline flow meters with scale displays, available in various flow ranges and connection sizes, with accuracy ratings typically at +/-2% or +/-5% of full scale. Seal materials such as Buna-N and Viton are offered to accommodate different fluid compatibility requirements. HEDLAND flow meters feature universal mounting orientation, allowing installation in horizontal or vertical pipe runs without affecting measurement accuracy. Some models include remote output options for integration with monitoring systems. 3G Electric supplies HEDLAND mechanical flow meters and flow switches to industrial buyers worldwide, supporting applications in hydraulic systems, cooling circuits, lubrication loops, and pneumatic networks. The meters are constructed with aluminum or brass bodies and polycarbonate or glass sight tubes, depending on the model, and are rated for pressures up to 3000 psi (207 bar) and temperatures up to 240°F (116°C) in standard configurations. HEDLAND flow switches are also available for flow monitoring and alarm functions. 3G Electric maintains inventory of HEDLAND products with various flow ranges, connection types (NPT, BSPP), and unit-of-measure options (gallons per minute or liters per minute) to meet diverse specification requirements. The company provides logistics support for global shipment, ensuring that HEDLAND flow measurement equipment reaches plant engineers, maintenance managers, and procurement specialists in industrial facilities worldwide.

Common Applications

  • Hydraulic system flow monitoring — HEDLAND H620 series mechanical flow meters for water and oil
  • Cooling water circuit flow verification — HEDLAND H621 series inline flow meters with scale display
  • Compressed air flow measurement in pneumatic networks — HEDLAND variable-area flow meters
  • Lubrication oil flow monitoring in industrial machinery — HEDLAND H705B series with Viton seals
  • Process water flow indication in chemical plants — HEDLAND flow meters with remote output (H615 series)
  • Hydraulic test stand flow measurement — HEDLAND H628 series meters for gallons per minute readings

Frequently asked questions

Common questions about HEDLAND from 3G Electric.

What is the typical accuracy of HEDLAND mechanical flow meters?

HEDLAND mechanical flow meters are available with accuracy ratings of +/-2% or +/-5% of full scale, depending on the model. The H705B-005 series, for example, offers +/-2% accuracy, while many other models like the H620-028-R are rated at +/-5%. These accuracy levels are suitable for general industrial flow monitoring and control applications where high precision is not required.

Can HEDLAND flow meters be used with fluids other than water?

Yes, HEDLAND flow meters are designed for use with water, hydraulic oils, compressed air, and other gases. The seal material must be compatible with the fluid; Buna-N seals are standard for water and oil, while Viton seals are available for more aggressive fluids or higher temperature ranges. Always verify fluid compatibility with the manufacturer's specifications before installation.

What is the maximum operating pressure for HEDLAND inline flow meters?

HEDLAND inline flow meters are typically rated for maximum operating pressures up to 3000 psi (207 bar) for standard models, though this varies by specific product series and connection size. For example, the H620 series meters are rated for 3000 psi. Always consult the product datasheet for the exact pressure rating of the specific model you are considering.

Do HEDLAND flow meters require external power to operate?

No, HEDLAND mechanical flow meters are self-contained and operate without external power. They use a variable-area (rotameter) design where a float moves within a tapered tube in response to flow rate, providing a direct-reading scale display. This makes them suitable for remote or hazardous locations where electrical power is unavailable or undesirable.

What mounting orientations are supported by HEDLAND flow meters?

HEDLAND flow meters feature universal mounting orientation, meaning they can be installed in horizontal or vertical pipe runs without affecting measurement accuracy. This flexibility simplifies installation in existing piping systems. However, for optimal performance, the manufacturer recommends installing the meter in a vertical position with flow moving upward, as this ensures the float operates correctly.

Are HEDLAND flow meters available with remote output options?

Yes, certain HEDLAND models, such as the H615-625-R, include a remote output feature. This allows the flow meter to transmit flow data to a remote display, controller, or data acquisition system. The output type may be a pulse signal or analog signal, depending on the specific model. Check the product specifications for details on output type and compatibility.