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 * Home
 * ProductsMenu Toggle
   * BLOCKFIN
   * TRANSON®
   * Shell & Tube Heat Exchangers
   * Plate Heat Exchangers
 * ServicesMenu Toggle
   * Services Overview
   * Repair and Refurbish
   * Ultrasonic Cleaning
   * Custom Design and Manufacturing
 * About Us

Contact Us
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SPECIALIST HEAT EXCHANGER MANUFACTURER

CUSTOM SOLUTIONS, BUILT TO LAST


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HIGH QUALITY HEAT TRANSFER SOLUTIONS FOR YOUR EFFICIENCY

SA Heat Exchange specialises in designing and manufacturing high-quality
industrial heat exchangers that significantly increase efficiency for our
clients. We pride ourselves on extensive industry experience, providing tailored
heat transfer solutions across multiple industries. Founded in 2007, we have
developed a reputation for delivering exceptional heat exchange solutions to
meet our clients’ specific needs, both locally and internationally.




INDUSTRIAL HEAT EXCHANGERS BUILT TO LAST

Our tried and tested methods of heat exchanger manufacturing, combined with a
focus on continuous improvement, ensure our products are suitable for harsh
industrial applications and climates. SA Heat Exchange is renowned for building
durable, high-performance heat exchangers with our patented product range.
Located in Westmead, KZN, we produce custom Shell & Tube and Plate heat
exchangers, as well as our patented Blockfin (Air Blast / finned tube) and
Transon (shell & tube configuration) heat exchangers.

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HEAT EXCHANGER SERVICES FROM OUR EXPERIENCED TEAM

SA Heat Exchange provides a full range of industry-based solutions, including
custom design, ultrasonic cleaning, repairs, refurbishments, and rebuilds of
heat exchangers. Our highly experienced team, equipped with the latest
equipment, software, and technology, is ready to deliver high-quality heat
exchange services with open communication and attention to detail.

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CLIENTS THAT USE OUR INDUSTRIAL HEAT EXCHANGERS

We are proud to supply heat exchange solutions to several industry leaders:

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FIND THE BEST HEAT-EXCHANGE SOLUTION FOR YOUR APPLICATION

Our experts are ready to assist you!

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FREQUENTLY ASKED QUESTIONS

WHAT IS AN INDUSTRIAL HEAT EXCHANGER?



An industrial heat exchanger is a device used to transfer heat between two or
more fluids (liquids, gases, or a combination of both) without mixing them. They
are commonly used in various industries to efficiently manage heat, whether it's
for heating, cooling, or maintaining a specific temperature. The purpose of an
industrial heat exchanger is to improve energy efficiency, reduce operational
costs, and control the temperature of processes.

WHAT ARE THE DIFFERENT TYPES OF HEAT EXCHANGERS AND THEIR APPLICATIONS?



Heat exchangers come in various types, each suited for specific applications
based on their design and operational principles. SA Heat Exchange specialises
in the following main types of heat exchangers and their applications:

Finned-Tube Heat Exchangers:

A finned tube heat exchanger is a specialised heat exchanger that utilises
continuous fins that are attached to the exterior of tubes to enhance the
surface area for heat transfer. This design facilitates the efficient transfer
of heat between the air / gas and a fluid or gas inside the tubes, making it
ideal for heating and cooling of air or other gases.

Applications Include:

 * Air Driers / Heaters
 * Air Cooling
 * Compressor Coolers
 * Thermal Oil Heating
 * Gas Air Heating
 * Gas Cooling
 * Water Cooling
 * Landfill gas cooling
 * Oil cooling.

Shell and Tube Heat Exchangers

A shell and tube heat exchanger consists of a series of tubes, known as tube
bundles, enclosed within a larger outer cylindrical shell. The shell and tube
heat exchanger heats or cools a fluid, typically with the use of another fluid,
achieving a high heat transfer rate. One fluid runs through the tubes, while the
other fluid passes through the shell to transfer heat energy.

Applications include:

 * Water coolers / heaters
 * Oil coolers / heaters
 * Heavy Fuel Oil Heaters
 * Compressor inter coolers and after coolers
 * Condensers
 * Evaporators
 * Economisers

Plate Heat Exchangers

A plate heat exchanger (PHE) is a type of heat exchanger that consists of
multiple thin, slightly separated plates that are pressed together to form a
series of channels through which two fluids can flow in counterflow or parallel
flow configuration.

Applications Include:

 * Food and beverage processing
 * Dairy processing.
 * Chemical processing
 * Power Generation
 * Marine and offshore
 * Renewable energy

WHAT INDUSTRIES DO WE PROVIDE INDUSTRIAL HEAT EXCHANGERS TO?



Heat exchangers are utilised across a broad spectrum of industries. The SA Heat
Exchange value statement is to “support industry with unrivalled quality”. Here
is a few of the industries that we support with unrivalled quality heat transfer
solutions:

 * Pulp and Paper
 * Automotive
 * Food and Beverage
 * Oil and Gas
 * Mining
 * Pharmaceutical
 * Chemical Processing
 * Manufacturing
 * Power generation.
 * Waste heat recovery
 * Landfill gas recovery
 * Renewable energy

WHAT ARE THE MOST COMMON TYPES OF HEAT EXCHANGER APPLICATIONS WE PROVIDE
SOLUTIONS TO?



The most common types of heat exchanger applications supplied by SA Heat
Exchange are:

 * Air Driers utilising steam. (Air / Steam)
 * Air Coolers utilising chilled water. (Air / Chilled Water)
 * Elution Economisers. (Eluent)
 * Heavy Fuel Oil Heater. (HFO / Steam)
 * Compressor Coolers. (Air / Chilled Water)
 * Water Coolers and Heaters (Water / Water or Water / Steam)
 * Oil Coolers. (Oil / Chilled Water)
 * Heat recovery solutions. (Flue Gas / Air / Steam / Water)
 * Engine coolers. (Air / Sea Water)

HOW DO I SELECT THE RIGHT HEAT EXCHANGER FOR MY APPLICATION?



Selecting the correct heat exchanger for your application involves considering
several key factors to ensure optimal performance and efficiency. As specialists
with extensive experience in selecting and designing heat exchangers, here's how
SA Heat Exchange approaches the process and the information we require from
clients:

 1. Heat Transfer Requirements:
    * Specify the required heat transfer rate (kW) to effectively determine the
      size and capacity of the heat exchanger.
 2. Temperature Specifications:
    * Define the operating temperatures of both the hot and cold fluids to
      select materials and configurations that maintain efficient heat transfer.
 3. Pressure Parameters:
    * Provide the maximum and minimum pressure conditions under which the heat
      exchanger will operate to ensure structural integrity and performance
      reliability.
 4. Fluid Properties:
    * Detail the characteristics of the fluids involved, including
      corrosiveness, viscosity, and fouling tendencies, to select compatible
      materials and optimize performance.
 5. Space Constraints:
    * Describe the available installation space and accessibility considerations
      to design a heat exchanger that fits seamlessly within your facility or
      system.
 6. Performance Expectations:
    * Specify desired efficiency metrics and any specific performance
      requirements to tailor the heat exchanger design accordingly.
 7. Environmental Factors:
    * Identify environmental conditions such as ambient temperature, humidity
      levels, and potential exposure to contaminants that could impact heat
      exchanger performance.
 8. Regulatory Standards:
    * Ensure compliance with relevant industry standards and regulations, such
      as ASME / BS and Pressure Vessel Code, to meet safety and operational
      requirements.

SA Heat Exchange combines technical expertise with a commitment to delivering
high-quality heat transfer solutions. Our collaborative approach ensures that
each heat exchanger is meticulously designed to optimise efficiency,
reliability, and longevity, tailored to client’s specific application needs.

WHAT MAINTENANCE IS REQUIRED FOR INDUSTRIAL HEAT EXCHANGERS?



Maintenance for industrial heat exchangers is dependent on various factors,
including the type of heat exchanger, the materials of construction,
environmental conditions, and the specific operational requirements. Different
types of heat exchangers (e.g., shell and tube, plate, finned tube) have unique
maintenance needs. SA Heat Exchange has a multi-faceted team of qualified
professionals, who through our combined experience have developed maintenance
solutions to ensure the optimal performance and longevity of industrial heat
exchangers. Below are some general maintenance guidelines for heat exchangers.

 * Visual Inspections: Regularly check for signs of leaks, corrosion, or
   physical damage. Inspect gaskets, seals, and joints for integrity.
 * Performance Monitoring: Monitor temperature differentials, pressure drops,
   and flow rates to detect deviations from normal operation. Use sensors and
   gauges to continuously track performance metrics.
 * Fouling Prevention: Implement measures to reduce fouling, such as using
   filters or chemical treatments for the fluids.
 * Mechanical Cleaning: Periodically dismantle the heat exchanger to clean
   internal surfaces and remove scale, sediment, or debris using brushes,
   scrapers, or high-pressure washers.
 * Hydrostatic Testing: Conduct hydrostatic pressure tests to check for leaks
   and verify integrity under pressure.
 * Gasket and Seal Replacement: Periodically replace gaskets and seals to
   maintain effectiveness and prevent leaks.
 * Corrosion Inspection: Regularly inspect for signs of corrosion, especially in
   areas prone to moisture and chemical exposure.
 * Scheduled Maintenance: Establish a regular maintenance schedule based on SA
   Heat Exchange manufacturing recommendations.
 * Professional Servicing: Engage SA Heat Exchange for professional maintenance
   services and to troubleshoot complex issues.

WHAT IMPROVES THE EFFICIENCY OF A HEAT EXCHANGER?



Improving the efficiency of an industrial heat exchanger involves several
strategies that focus on enhancing heat transfer, reducing energy losses, and
optimising operational conditions. Key strategies include increasing surface
area through fins, enhancing turbulence and optimising flow configurations, and
using materials with high thermal conductivity and corrosion resistance.

Operational efficiency can be further boosted by optimising fluid flow rates and
minimising fouling through filtration and pre-treatment.

WHAT DETERMINES THE QUALITY AND EFFECTIVENESS OF AN INDUSTRIAL HEAT EXCHANGER?



The quality and effectiveness of an industrial heat exchanger are primarily
determined by its design, materials of construction, manufacturing practices,
and operational conditions

Precision manufacturing and rigorous quality control further contribute to
reliability, with a focus on strong, leak-proof welds and joints. The expertise
and industry know-how of experienced designers and engineers at SA Heat Exchange
ensure that heat exchanger designs are tailored to specific applications, adhere
to industry standards, and incorporate sound engineering principles.

WHAT MATERIALS ARE OUR HEAT EXCHANGERS MADE OUT OF?



The most common material utilised by SA Heat Exchange when manufacturing
industrial heat exchangers are copper, aluminium, stainless steel, and carbon
steel. Each material has specific properties that make it suitable for different
applications.

 * Copper, known for its high thermal conductivity, is ideal for applications
   requiring efficient heat transfer. Additionally, copper's natural resistance
   to corrosion ensures durability and longevity in various applications and is
   therefore often used when water (hot or cold) is the medium.
 * Aluminium is chosen for industrial heat exchangers, particularly in finned
   tube configurations for air dryers and chillers, due to its excellent thermal
   conductivity and lightweight properties. These qualities enable efficient
   heat transfer and facilitate the construction of compact, energy-efficient
   heat exchangers. Moreover, aluminium's resistance to corrosion ensures
   durability in humid and corrosive environments, making it well-suited for
   applications where reliability and long-term performance are essential.
 * Stainless steel is widely chosen for industrial heat exchangers due to its
   exceptional corrosion resistance, mechanical strength, and thermal
   performance. These properties make it ideal for applications where exposure
   to corrosive environments, high temperatures, and pressure fluctuations is
   common. Additionally, its hygienic properties make it suitable for industries
   requiring strict cleanliness standards, such as the food and beverage
   industry.
 * Carbon steel, while not as corrosion-resistant, is cost-effective and
   provides good mechanical strength. High carbon steels are utilised in
   industrial heat exchangers primarily for their exceptional mechanical
   strength and ability to withstand high temperatures and pressures. These
   steels offer robust performance in applications where structural integrity
   under extreme conditions is crucial, particularly in steam applications.



PRODUCTS

Blockfin
TRANSON®
Shell & Tube Exchangers

SERVICES

Custom Design & Manufacturing
Ultrasonic Cleaning
Repair & Refurbishments



CONTACT

info@saheatexchange.co.za
+27 (0)31 811 0061
+27 (0)31 700 6851
11 Suzuka Rd, Westmead, Durban, 3608

Copyright © 2024  SA Heat Exchange