Used Heat Exchangers for Sale
Used heat exchangers are industrial systems designed to transfer heat between two or more fluids without direct contact. These systems are widely used in chemical processing, food production, energy, and HVAC applications where efficient temperature control is essential. Heat exchangers support processes such as heating, cooling, condensation, and evaporation across a wide range of operating conditions. Aaron Equipment offers used heat exchangers for sale in various designs, materials, and configurations to meet specific thermal performance requirements and process demands. Browse available inventory below or explore heat exchanger types to find equipment aligned with your application.
Stock No.:
10749147Used – 1181 Sq. Ft. Stainless Steel Vertical Shell & Tube Heat Exchanger – Dipl.-Ing. Paul Schwingel GmbH
Used- 1181 Sq. Foot Stainless Steel Vertical Shell and Tube Heat Exchanger. Built by Dipl Jng Paul Schwingel Gmbh. Tangential nozzles. 316 stainless steel shell. 316 stainless steel tubes. 316 stainless steel heads. 88 psi @ 392 degrees F shell. 88 psi @ 392 degrees F tubes. 1.32" tube diameter. 15'0" tube length. 228 tube holes. 1.57" tri tube pitch. .078" tube wall. 1 pass shell. 1 pass tubes. Special tema type. (2) 3" shell nozzles. (2) 4" tube nozzles. 11 baffles. 1'3" baffle spacing. 2'4" shell diameter. 15'0" overall length. Built 1985.
Stock No.:
10749148Used – Praj Industries 1185 sq. ft. Horizontal Shell & Tube Heat Exchanger – 304L SS Shell, NB Code
Used Praj Industries 1185 sq. ft. Horizontal Shell & Tube Heat Exchanger 304L SS Shell, NB Code. (2) saddle supports. (4) lifting trunnions. 304L stainless steel shell. 304 stainless steel tubes. 304 stainless steel heads. 25 psi @ 293 degrees F shell. 56 psi @ 122 degrees F. tubes. 1" tube diameter. 9'6" tube length. 460 tube holes. 1.25" tube pitch. .063" tube wall. 1 pass shell. 2 pass tubes. NB code. 4" and 8" shell nozzles. (2) 12" tube nozzles. (9) baffles. 10" baffle spacing. 2'8" shell diameter. 13'8" overall length. Built 2008.
Stock No.:
53267178Used 2010 GEA 120 Sq. Ft. Shell & Tube Heat Exchanger – 316L Stainless Tubes, 350/450 PSI Rated
Used 2010 GEA 120 Sq. Ft. Shell & Tube Heat Exchanger 316L Stainless Tubes, 350/450 PSI Rated. 8'' diameter x 144'' face to face length. (60) 316L Stainless steel tubes rated 350 psi at -20 to 500 degrees F. Carbon steel shell rated 450 psi at -20 to 500 degrees F. Has carbon steel epoxy coated heads. Equipped with 2'' service nozzles and (2) 3/4'' drain/vent on service side. Process side has 1.5'' process nozzle, (2) 2'' vent/drain, and (2) 3/4'' instrument inlets. Mounted on legs. Serial # 100360, NB # 17040, built 2010.
Stock No.:
53267179Used 2010 GEA FES 120 Sq. Ft. Shell & Tube Heat Exchanger – 316L Stainless Tubes, 450 PSI Shell
Used 2010 GEA FES 120 Sq. Ft. Shell & Tube Heat Exchanger 316L Stainless Tubes, 450 PSI Shell. Measures 8" diameter x 144" face-to-face length. Equipped with (60) 316L stainless steel tubes rated for 350 psi at -20F to 500F. Carbon steel shell rated for 450 psi at -20F to 500F with epoxy-coated carbon steel heads. Service side includes 2" nozzles and (2) 3/4" vent/drain connections. Process side includes a 1.5" process nozzle, (2) 2" vent/drain connections, and (2) 3/4" instrument inlets. Mounted on legs. Serial #100363, National Board #17043. Built 2010.
Stock No.:
53267180Used 2010 GEA FES 120 Sq. Ft. Shell & Tube Heat Exchanger – 316L Tubes, 450 PSI Carbon Steel Shell
Used 2010 GEA FES 120 Sq. Ft. Shell & Tube Heat Exchanger 316L Tubes, 450 PSI Carbon Steel Shell, with an 8" diameter shell and 144" face-to-face length. Unit contains (60) 316L stainless steel tubes rated 350 psi from -20F to 500F. Carbon steel shell is rated 450 psi from -20F to 500F and features epoxy-coated carbon steel heads. Service connections include 2" nozzles with (2) 3/4" vent/drain ports. Process side is configured with a 1.5" process nozzle, (2) 2" vent/drain ports, and (2) 3/4" instrument connections. Supported on legs. Serial #100366, NB #17046. Manufactured in 2010.
Stock No.:
53267181Used 2010 GEA 120 Sq. Ft. Shell & Tube Heat Exchanger – 316L Stainless Tubes, 350/450 PSI Rated
Used 2010 GEA 120 Sq. Ft. Shell & Tube Heat Exchanger 316L Stainless Tubes, 350/450 PSI Rated. Measures 8" diameter x 144" face-to-face overall length. Features (60) 316L stainless steel tubes rated at 350 psi with a temperature range of -20F to 500F. Carbon steel shell rated at 450 psi over the same -20F to 500F temperature range. Includes epoxy-coated carbon steel heads, 2" service nozzles, and (2) 3/4" service-side vent/drain connections. Process side includes a 1.5" nozzle, (2) 2" vent/drain connections, and (2) 3/4" instrument inlets. Leg mounted. Serial #100368, National Board #17048. Built 2010.
Stock No.:
47768008Alco Heat Exchanger, Size 35.96, 1-32-52 H, Approximate 1,200 Square Foot. Used-
Used- Alco Heat Exchanger, Size 35.96, 1-32-52 H, Approximate 1,200 Square Foot. Approximate (778) 3/4" diameter x 8' long 316 Stainless steel tubes rated 75 psi @ 400 degrees F. Openings tube(head): (2) 12", shell: (2) 20".
MFR: ALCO
Stock No.:
54683004Used Perry Products Corporation stainless steel shell-and-tube heat exchanger, size 24-168, serial number B-7509, job number 17450. Rated 1,204 square feet of heat-transfer surface. 304L stainless st...
Used Perry Products Corporation stainless steel shell-and-tube heat exchanger, size 24-168, serial number B-7509, job number 17450. Rated 1,204 square feet of heat-transfer surface. 304L stainless steel shell, tubes, tube sheets and baffles. Includes (438) tubes, each 3/4-inch OD 0.083-inch wall 14 feet long. Single-pass shell side and six-pass tube side. Shell design pressure 200 PSIG at 350F; tube design pressure 200 PSIG at 500F. Approximately 24-inch OD shell, with 13 feet 11-3/4 inches between tube sheet faces. Includes expansion joint, saddle supports, 8-inch shell-side inlet/outlet connections, and 1/2-inch vent and drain connections. Estimated dry weight 6,000 pounds. Model FTSS-24-1204Z, manufactured in 2011. ASME U-stamped; National Board No. 7500, serial No. B-7509, job No. 17450.
MFR: Perry Products
Stock No.:
10749143Used – Southern Heat Exchanger 1220 sq. ft. Vertical Shell & Tube Heat Exchanger
Used- Southern Heat Exchanger 1220 sq. ft. Vertical Shell and Tube Heat Exchanger. 28" diameter x 12'0" f/f. Carbon steel shell, 75fv psi @ 300 deg. F. 316L stainless steel tubes, (388) 1" o.d. x 16 bwg, 75fv @ 300 deg. F. 316L stainless steel heads. With expansion joint. 12'0" tube length. 1.25" tri tube pitch. 16 bwg tube wall. 1 pass shell; 1 pass tubes. NB code. Bem Tema type. 12" and 18" shell nozzles. 2", 4" and 8" tube nozzles. 3 baffles. 35" baffle spacing. 2'4" shell diameter. 17'3" overall length. Built 1989.
MFR: Southern Heat Exchanger
Stock No.:
54695001Unused Alfa Laval Model TK20-BWFX plate and frame heat exchanger, manufactured in 2024, with approximately 1,344 square feet of heat transfer surface area. Unit is rated for maximum allowable working...
Unused Alfa Laval Model TK20-BWFX plate and frame heat exchanger, manufactured in 2024, with approximately 1,344 square feet of heat transfer surface area. Unit is rated for maximum allowable working pressures of 612/235 PSIG at 230°F and a minimum design metal temperature of -20°F at 612/235 PSIG. Equipped with approximately 0.8 mm plates and an A-dimension of approximately 992 mm. ASME certified and National Board registered, NB No. 65553. Serial number AAN1000484, Alfa Laval order number 18036240. Equipment is identified as a Cathode Cooler, equipment tag NG-21-HX-0001. Certified by Alfa Laval, Richmond, Virginia. Late-model industrial plate and frame heat exchanger suitable for demanding process cooling and heat-transfer applications. Data Center.
MFR: Alfa Laval
Stock No.:
53179001Used Alfa Laval M10-MFG Plate Heat Exchanger – 137.3 Sq. Ft., 100 PSI, Stainless Steel
Used- Alfa-Laval Plate Heat Exchanger, Model M10-MFG. 137.3 Square Feet. (58) 304 Stainless Steel plates, approximately 253mm (9.9") wide x 34" long x 0.40mm thick plates. Rated 100psi at -20 to 190 degrees F. Mounted in expandable frame with (3) legs. Serial# 30105-61105.
MFR: Alfa Laval
Stock No.:
47577007Used Lot of (7) Paul Mueller Dimple Jacket Heat Transfer Plates – Stainless Steel | 14.34 ft² Each | 50 PSI @ 350°F
Used- Lot of (7) Paul Mueller Company Heat Transfer Plates. Dimple jacket style; Made from stainless steel or higher alloy; Approximate OAD: 59" X 39" +2.5" for connection ports X 1" thick; Jacket area dimensions: 54" X 35", or 14.34 square feet per plate; Designed for 50 PSI/F.V. @350; NB registered. Our freight specialists can assist you with door to door transportation and all customs documents needed to make the process go as smoothly as possible.
MFR: Paul Mueller
Types of Used Heat Exchangers Available
Aaron Equipment offers a range of used heat exchangers designed to support heat transfer, process cooling, and thermal management applications:
Shell & Tube Stainless Steel Heat Exchangers – Versatile exchangers with tube bundles enclosed in a shell, ideal for high-pressure and high-temperature applications.
Shell & Tube Carbon Steel Heat Exchangers – Durable exchangers suited for non-corrosive fluids and heavy-duty industrial heat transfer applications.
Plate Type Heat Exchangers – Compact exchangers with stacked plates that provide efficient heat transfer in a small footprint.
Air Cooled / Fin Fan Heat Exchangers – Systems that use ambient air and finned tubes to dissipate heat without requiring water cooling.
Scraped Surface Heat Exchangers – Specialized exchangers designed for viscous, sticky, or fouling materials requiring continuous surface cleaning.
Spiral Heat Exchangers – Compact units with spiral flow paths that enhance heat transfer efficiency and reduce fouling.
Heat Exchanger Applications & Industry Uses
Used heat exchangers are essential across industries where controlled heating or cooling is required for process efficiency and product quality. Common applications include:
Chemical Processing: Heating and cooling of process streams and reaction control
Food & Beverage: Pasteurization, cooking, and cooling of liquid products
Energy & Utilities: Heat recovery, steam condensation, and power generation support
Pharmaceutical Manufacturing: Temperature control for sensitive formulations
HVAC Systems: Facility heating, cooling, and air handling
These systems play a critical role in improving energy efficiency, reducing operating costs, and maintaining process stability.
Used Heat Exchanger Buying Considerations
When selecting a used heat exchanger, it is important to evaluate both process requirements and equipment condition:
Condition & Maintenance History: Review refractory lining, heating elements, and prior use
Heat Transfer Requirements: Evaluate temperature differences and thermal duty
Fluid Compatibility: Ensure materials match corrosiveness and cleanliness requirements
Pressure & Temperature Ratings: Confirm suitability for operating conditions
Design Type: Shell & tube, plate, or air-cooled based on application
Fouling & Maintenance Needs: Consider ease of cleaning and maintenance
Condition & Service History: Review wear, scaling, and prior usage
Why Buy Used Heat Exchangers
Buying used heat exchangers provides a cost-effective solution for improving or expanding thermal systems without the long lead times of new equipment. Used units offer proven performance and are often available for immediate shipment, helping facilities maintain uptime and reduce capital investment.
Aaron Equipment sources high-quality heat exchangers from leading manufacturers, providing reliable solutions for a wide range of industrial applications.
Sell Your Used Heat Exchangers
Aaron Equipment actively purchases surplus heat exchangers, including shell & tube, plate, and air-cooled systems. Whether upgrading equipment or decommissioning assets, our team can help maximize value.
A heat exchanger is a system that transfers heat between two fluids without mixing them. It is used to heat or cool process streams in industrial applications.
Common types include shell and tube, plate, air-cooled, scraped surface, and spiral heat exchangers. Each type is designed for specific heat transfer requirements and applications.
Choosing the right heat exchanger depends on temperature requirements, fluid properties, pressure conditions, and required heat transfer efficiency.
Yes. Used heat exchangers are built for long service life and can remain highly reliable when properly maintained, cleaned, and inspected.
Heat exchangers are used in chemical processing, food production, energy, pharmaceuticals, and HVAC systems where temperature control is critical.