1. Heat Exchangers

Heat Exchangers

Catalog Overview

Heat Exchangers

Marine heat exchangers transfer heat between separate fluid circuits without mixing their contents. They regulate temperatures in engine cooling, lubricating oil and other onboard systems. Plate and tubular designs provide a heat-transfer surface suited to the installation’s operating duty.

Restoring a heat exchanger does not always require replacing the complete unit. ATOZ investigates component availability for the existing installation, giving the technical team sourcing options for its repair assessment and helping buyers compare those options with complete replacement where needed.

OEM Equipment
Alternative Spare Parts
Technical Identification
Worldwide Delivery
Marine air compressor
What We Can Supply
  • Plate heat exchangers and plate coolers
  • Shell-and-tube heat exchangers
  • Box coolers and specialised marine coolers
  • Lubricating-oil, fuel-oil, hydraulic-oil and water coolers
  • Plate packs, individual plates and gaskets
  • Tube bundles, tubes, tube sheets and end covers
  • Frames, tie bolts, baffles, seals and mounting components
  • Custom replacement units manufactured from drawings or operating data
Supported Manufacturers

Heat Exchangers Manufacturers

Browse the manufacturers supported by ATOZ GROUP for Heat Exchangers equipment and spare-part enquiries.
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Send us manufacturer, model or part number and we will prepare a quote.
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Related Categories

1,500+
Completed Marine Projects
40+
Countries Supported
Worldwide
Port & Vessel Delivery
OEM & Alternative
Spare Part Solutions
Frequently Asked Questions

Heat Exchangers Supply & Support

What is a marine heat exchanger used for?
A marine heat exchanger transfers heat between separate fluid circuits without mixing them. It may cool lubricating oil, hydraulic oil, fuel, charge air or fresh water, or recover and distribute heat for another onboard process.
Which types of marine heat exchangers can ATOZ supply?
ATOZ can assist with plate, shell-and-tube, box-cooler and specialised marine heat exchangers, together with oil, fuel, water and air coolers. The suitable design depends on the working media, heat duty, pressure, temperature, materials and installation space.
Which marine heat exchanger spare parts can ATOZ supply?
ATOZ can assist with plates, plate packs, gaskets, tube bundles, tubes, tube sheets, end covers, frames, tie bolts, baffles, seals and mounting components. Availability depends on the manufacturer, model and technical specification.
Can ATOZ supply a custom replacement heat exchanger?
ATOZ can review a custom replacement using an existing drawing, nameplate, verified dimensions or confirmed operating data. The working media, flow rates, inlet and outlet temperatures, operating pressures, materials, connections, mounting and certification requirements should be provided.
Can ATOZ source parts for older or discontinued heat exchanger models?
ATOZ can review requirements for older and difficult-to-source units through its supplier network. Providing the manufacturer, model, serial number, drawing, plate or tube data and photographs helps identify available repair or replacement options.
How quickly can ATOZ prepare a quotation?
Quotation time depends on the heat exchanger type, size, materials, required components, drawing approval, testing, certification, supplier availability and delivery location. Complete operating data and documentation help ATOZ prepare the quotation more efficiently.
Can ATOZ assist with heat exchanger inspection and servicing?
Depending on the equipment, project scope and vessel location, ATOZ can coordinate technical support for inspection, cleaning, pressure testing, regasketing, plate-pack replacement, tube repair, installation and commissioning.
Can marine heat exchangers be delivered during a port stay or dry-dock project?
ATOZ can coordinate delivery according to the vessel’s port call or dry-dock schedule, subject to production time, availability and logistics. Include the port, ETA, ETD, required delivery date, equipment weight and local receiving arrangements in your enquiry.
Can’t Find What You Need?

We’ll Help You Find the Right Spare Part

The visible catalogue does not represent the full range ATOZ can source. Simply send us the equipment name, manufacturer, part number or available technical documentation. Our specialists will identify the correct spare part and and our team will review your requirement.