Immersion Heaters

Flange Heaters

We provide high performance electric heaters, heating systems, and control solutions engineered for demanding industrial processes. Our products are certified to ATEX, IECEx, CCC, CCOE, and UL (safe area) standards, ensuring global safety and compliance.

Flange Heater

FLANGE HEATERS

Flange Heaters Australia — Engineered Industrial Heating Solutions by Backer Cynebar Ohmic

Industrial processes often require precise and reliable heating of liquids, oils, chemicals and thermal fluids. Flange heaters are one of the most widely specified electric immersion heating technologies for these applications due to their high thermal efficiency, scalable power ratings and adaptability to demanding operating environments.

Backer Cynebar Ohmic, based in Brisbane, Australia, manufactures custom-engineered flange heaters for industrial applications across the mining, water treatment, energy, chemical processing, manufacturing and infrastructure sectors. As part of the global Backer Group, we combine local engineering support with proven heating element technologies to deliver reliable, long-life process heating solutions.

FLANGE HEATERS

What Are Flange Heaters?

A flange heater consists of multiple tubular heating elements welded or brazed into a mounting flange assembly. The heater is installed directly into a tank, pressure vessel or process system, allowing heat to be transferred directly into the process medium.

This immersion heating method offers several technical advantages:

High thermal transfer efficiency

Reduced heat losses compared to external heating methods

Uniform heating of process fluids

Fast heat-up times

Accurate temperature control

High power density capability

Flange heaters can be engineered for applications ranging from small process tanks through to large-scale industrial installations requiring hundreds of kilowatts or multiple megawatts of installed heating capacity.

FLANGE HEATERS

Typical Applications

Water and Process Fluid Heating

Flange heaters are commonly specified for:

Process water systems

Hot water storage tanks

Boiler feedwater systems

Demineralised water heating

Wastewater treatment processes

Their direct immersion design provides efficient energy transfer while maintaining tight temperature control.

Oil and Fuel Heating

Industrial oils often require heating to maintain proper viscosity and flow characteristics. Flange heaters are widely used for:

Fuel oil storage tanks

Hydraulic oils

Lubricating oils

Transformer oil systems

Marine fuel applications

Correct watt density selection is critical to prevent carbonisation and maximise heater life.

Bitumen and Asphalt Storage

Bitumen storage systems require controlled heating to maintain product handling characteristics. Custom-designed flange heaters provide reliable heat input while managing sheath temperatures and preventing localised overheating.

Chemical Processing

Flange heaters are frequently used within:

Chemical reactors

Storage vessels

Batch processing systems

CIP systems

Mixing tanks

Material selection is tailored to the process chemistry to ensure corrosion resistance and long-term reliability.

FLANGE HEATERS

Engineering Considerations When Selecting a Flange Heater

Selecting the correct flange heater involves more than simply choosing a power rating.

Fluid Properties

Heater design should consider:

Specific heat capacity

Fluid density

Thermal conductivity

Viscosity

Corrosive properties

These properties directly influence heating performance and element selection.

Watt Density

Watt density is one of the most important design parameters affecting heater lifespan.

Lower watt density designs typically provide:

Longer element life

Reduced surface temperatures

Lower risk of fouling

Improved reliability in viscous fluids

Backer Cynebar Ohmic engineers carefully match watt density to the process medium and operating conditions.

Heat-Up Requirements

Proper sizing requires consideration of:

Tank volume

Initial temperature

Target temperature

Heat-up time

Continuous thermal losses

Ambient conditions

Accurate thermal calculations ensure installed power is both technically suitable and economically efficient.

Process Control Integration

Flange heaters can be supplied with:

RTDs

Thermocouples

Digital temperature controllers

SCR power control systems

High-temperature safety cut-outs

PLC and SCADA integration

This enables precise process temperature management and protection against over-temperature conditions.

FLANGE HEATERS

Backer Cynebar Ohmic Manufacturing Capabilities

Backer Cynebar Ohmic designs and manufactures flange heaters to suit project-specific requirements rather than relying solely on standard catalogue products.

Available Options

Power Ratings

From a few kilowatts to multi-megawatt installations

Single-phase and three-phase designs

Low and medium voltage options

Flange Configurations

AS2129

ANSI

DIN

Custom flanges

Element Sheath Materials

316 Stainless Steel

Incoloy®

Titanium

Copper

Mild Steel

Specialised corrosion-resistant alloys

Control Panels

Complete heating packages can include:

Control cubicles

Power distribution equipment

Temperature monitoring systems

Safety interlocks

Communication interfaces

FLANGE HEATERS

Reliability and Lifecycle Performance

For many industrial operators, the total cost of ownership is more important than initial purchase price.

Backer Cynebar Ohmic flange heaters are designed with a focus on:

Long service life

Maintainability

Operational reliability

Reduced downtime

Optimised element loading

Replacement element bundles, spare parts support and local engineering assistance help reduce lifecycle costs and improve plant availability.

FLANGE HEATERS

Why Specify an Australian-Manufactured Flange Heater?

For Australian projects, local manufacturing offers significant advantages:

Reduced lead times

Faster engineering response

Compliance with Australian project requirements

Local technical support

Simplified spare parts management

Greater flexibility for custom designs

Manufacturing from our Brisbane facility also enables closer collaboration during design, commissioning and ongoing maintenance phases.

FLANGE HEATERS

Quality and Compliance

Backer Cynebar Ohmic operates under ISO 9001:2015 quality management systems, providing confidence in manufacturing consistency, traceability and product performance.

All flange heater designs can be developed to suit applicable project specifications, customer standards and industry requirements, including hazardous area applications where required.

FLANGE HEATERS

Partner with Backer Cynebar Ohmic

Whether you're specifying heating equipment for a new project, upgrading an existing process, or replacing legacy equipment, Backer Cynebar Ohmic provides engineering-led flange heater solutions tailored to your application.

Our team can assist with:

Thermal calculations

Heater sizing

Watt density analysis

Material selection

Hazardous area requirements

Control system integration

Custom manufacturing

Contact Backer Cynebar Ohmic today to discuss your flange heater requirements and obtain a technically optimised solution engineered and manufactured in Brisbane, Australia.

FAQ

Frequently asked questions

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