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.:
49896023Used Alfa Laval EH-W15 Heat Exchanger with Control Panel – 60kW, 10 Bar, Built 2014
Used- Alfa laval Model EH-W15 Heat Exchanger. 0,015 m3 (approximately 0.16sqft) shell/tubes volume, 10bar 160 degrees C Shell rating. 3x480 volt, 60kw power requirements. Serial# POM 215963, built 2014. Includes panel. 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: Alfa Laval
Stock No.:
42089001Industrial Unused Heat Transfer Systems Single Pass Shell and Tube Heat Exchanger – 10259 Sq. Ft., Type AEM 71-216
Unused Heat Transfer Systems single pass shell & tube heat exchanger, horizontal Type AEM 71 216, with approximately 10,259 sq ft of heat transfer area. Carbon steel shell with 304 stainless steel tubes, heads, and tube sheets, ASME registered and rated FV/150 psi over typical process temperature ranges., 10259 square feet, horizontal, type AEM 71-216. Carbon steel shell rated FV/150 psi at -20 to 200 deg F. (1785) 1-1/4'' diameter x 18 long 304 stainless steel tubes rated FV/150 psi at 20 to 300 deg F. 304 Stainless steel head and tube sheets. Openings: shell (2) 30, 54; openings for tubes (2) 6''. Saddle mounts. Serial #12928-7, National Board #18459.
MFR: Heat Transfer Systems
Stock No.:
10749150Used – Ohmstede 1083 sq. ft. Vertical Shell & Tube Heat Exchanger – Carbon Steel Shell, 304L SS Tubes
Used Ohmstede 1083 sq. ft. Vertical Shell & Tube Heat Exchanger Carbon Steel Shell, 304L SS Tubes. 304L stainless steel heads. 245 psi @ 250 degrees F. shell. 58fv psi @ 400 degrees F tubes. 1" tube diameter. 10'0" tube length. (428) tube holes. 1.25" tri tube pitch. .065" tube wall. 1 pass shell. 1 pass tubes. NB code. Aem tema type. 2", (2) 4" shell nozzles. 2", (4) 3", 6", 10", 16" tube nozzles. (15) baffles. 6.5" baffle spacing. 2'6" shell diameter. 18'4" overall length. Built 1999.
MFR: Ohmstede
Stock No.:
50410002Unused Alfa Laval Alfa Nova 52-20H Fusion-Bonded Plate Heat Exchanger – 100% Stainless Steel
Unused- Alfa Laval Alfa Nova Fusion-Bonded Plate Heat Exchanger, Model 52-20H, 100% Stainless Steel. Approximate 11 Square Feet. Gasket free copper free, 20 plates, approximate 4" x 20". 1" Diameter internal thread product ports, 3/4" external cooling or heating ports. Temperature S: -196 degrees C. (-302.8 F.)/225 C. (437 F.). Pressure S: (S4S3) -1 bar (-14.5 psi)/26-30 bar (377-435 psi), (S2S1) -1 bar (-14.5 psi)/21-25 bar (304-362 psi). Pressure T: (S4S3) 45 bar (652 psi), (S2S1) 37 bar (536 psi). Serial# 43659870, Built 2015.
MFR: Alfa Laval
Stock No.:
10749151Used – J. Oat & Sons 1130 sq. ft. Vertical Shell & Tube Heat Exchanger – Carbon Steel Shell, 316 SS Tubes
Used- J. Oat & Sons Vertical Shell and Tube Heat Exchanger. 1130 sq. foot. With expansion joint. Carbon steel shell. 316 stainless steel tubes. 316 stainless steel heads. Psi (s) : 300 psi @ 600 degrees F. shell. Fv @ 550 degrees F tubes. 1.25" tube diameter. 8'0" tube length. (434) tube holes. 1.5" tri tube pitch. 14 bwg tube wall. NB code. (2) 6" shell nozzles. 14" and 24" tube nozzles. (7) baffles.13.5" baffle spacing. 3'0" shell diameter. 13'10" overall length.
MFR: Joseph Oat Corp.
Stock No.:
10749146Used – Doyle & Roth 1145 sq. ft. Vertical Shell & Tube Heat Exchanger – 316 SS Shell & Tubes
Used Doyle & Roth 1145 sq. ft. Vertical Shell & Tube Heat Exchanger 316 SS Shell & Tubes. Carbon steel heads. 75 Psi @ 300 degrees F. shell. 75 psi @ 300 degrees F. tubes. .75" tube diameter. 12'0" tube length. 486 tube holes. 15/16" tri tube pitch. 18 bwg tube wall. 1 pass shell. 2 pass tubes. NB code. 4" and 12" shell nozzles. (2) 8" tube nozzles. 2'0" shell diameter. 15'0" overall length. Steam chest.
MFR: Doyle & Roth
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.:
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.:
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.:
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.