Used Reactors for Sale
Used reactors are industrial vessels designed to carry out chemical reactions under controlled temperature, pressure, and mixing conditions. These systems are widely used in chemical processing, pharmaceuticals, food production, and specialty manufacturing where precise reaction control is critical. Reactors support processes such as blending, heating, cooling, polymerization, and chemical synthesis. Aaron Equipment offers used reactors for sale in a variety of materials, sizes, and configurations to meet specific process requirements, capacities, and operating conditions. Browse available inventory below or explore reactor types to find equipment aligned with your application.
Stock No.:
11585100Used Autoclave Engineers PV4941 Hastelloy C High Pressure Reactor – 6000 PSI – 0.25L – Electric Jacketed
Used- Autoclave Engineers Hastelloy C High Pressure Reactor, Model PV4941. Flat top. Dished bottom. Body is approximately 1.75" ID X 6" Deep. Approximately .25 Liter (.066 Gallon) Body rated 6000 psi. Penn Special PV4941. Top head bolted - rated 5700 psi @ 650 degree F. Top mounted drive with agitator. Electric Jacket. Mounted in stand.
MFR: Autoclave Engineers
Stock No.:
45247008Used DCI 3-Liter (0.79-Gallon) 316 Stainless Steel Reactor – Jacketed, Vertical
Used- DCI Reactor, 3 Liter (0.79 Gallon), 316 Stainless Steel, Vertical. 6" Diameter x 8" straight side, flat tri-clamp top, dished bottom. Internal rated +40/-15 psi at -20 to 300 degrees F, jacket rated +10/-15 psi at -20 to 300 degrees F. Openings: top 3/4", 5/8", 5/16", 1" tri-clamp; 1/4" center bottom outlet. Mounted on 3 stainless steel legs. Serial #JS2221-E. Built 2002.
MFR: DCI
Stock No.:
48996002Alfa Laval Fermenter / Reactor, Approximate 40 Liter (10.5 Gallon), 316L-Unused-
Unused- Alfa Laval Fermenter / Reactor, Approximate 40 Liter (10.5 Gallon), 316L Stainless Steel, Vertical. Approximate 12" diameter x 22" straight side, bolt-on flat top, dished bottom. Internal rated 45 PSI/FV at -20 to 400 degree F. 316L Stainless steel Jacket rated 150 psi/FV at -20 to 400 degree F. Bottom entering agitation 1/2hp drive, missing agitator. (1) Spray ball. Side lug mounted with load cells. National Board #264. Serial #786-100/17. Built 2004. Includes control panel with Wedgewood technology model 653 absorbance monitor, Mettler toledo Jag xtreme digital read out, (4) metering valves. All mounted on stainless steel frame.
MFR: Alfa Laval
Stock No.:
14191136Used Northland Stainless 100 Gallon Hastelloy C-276 Reactor – 100 PSI, Jacketed, Caster Mounted, 2006
Used Northland Stainless C-276 Hastelloy 100 Gallon Reactor. Internal rated 100PSI/FV@450F. Jacket rated 150PSI@450F. Dome top dish bottom. 38" ID x 49" H. Caster mounted. Serial #0519047. National Board #3649. Built 2006.
MFR: Northland
Stock No.:
10151497Alloy Fabricators Approximately 1,000 Gallon 304 Stainless Steel Reactor
Used- Alloy Fabricators Approximately 1,000 Gallon 304 Stainless Steel Reactor with Coils. 60" diameter x 72" straight side; Dished top and bottom; Internal rated 33 psi at 335 degrees F; Coils rated 85 psi at 335 degrees F; 1 hp axial type agitator, 304 stainless steel, Single hub with 4 blades, 26 1/2" dia; 18" dia. 2 blade radial flow at bottom Serial # 1-142A; Built 1991.
MFR: Alloy & Steel Fab
Stock No.:
10749135Used 11,360 Gallon Kunshan Bexcelle 316L Stainless Steel Pressure Vessel – Full Vacuum, 45 PSI
Used- 11,360 Gallon Kunshan Bexcelle Special Equipment 316L Stainless Steel Horizontal Pressure Vessel. On saddle supports. Shell rated MAWP FV/45 psi at 482 deg. F. MDMT -20 deg. F. at FV/45 psi. (4) Top mounted lifting lugs. Openings: Top 1", 1.5", (2)2", (4)3", 4", (3)10", 24" manway with davit. Sides & Heads 1.5", 2", 24" manway with davit. Bottom (2)2". Alloy :S. Diameter- 120" / Length- 192". Shell PSI :45. Full Vacuum. Shell Temp. Deg. F: 482. Code: NB. Wall :13/32". No Agitation. Top Head: Dished. Bottom Head: Dished.
Stock No.:
54480002Unused Tolan Machinery 1,150 Gallon 316L Stainless Steel Reactor | FV/75 PSI Jacketed Vessel
Unused Tolan Machinery 1,150 Gallon 316L Stainless Steel Reactor | FV/75 PSI Jacketed Vessel. Half-pipe jacket on the shell and bottom head, rated at FV/150 PSI @ 400F. Internal vessel is rated at FV/75 PSI @ 400F. 66" overall diameter x 74" height. 316L Stainless Steel (Wetted), 304L Stainless Steel (Non Wetted) MOC. #4 internal polish, mill finish external polish. 18" top manway. 8" Agitator Nozzle. (4) internal baffles. (4) leg mounts. NB certified. Serial# 9489. Built 2024.
MFR: Tolan
Stock No.:
14191140Unused 12,480-Gallon 316L Stainless Steel Reactor with Jacket and Dual Internal Coils
Unused 316L 12480 gallon Stainless Steel Reactor with Jacket and Double Internal Coils. Manufactured by Over Srl. Internal MAWP 87 psi @ 400 degrees F. Halfpipe jacket MAWP 174 psi @ 400F. (1) 1" Internal Coil MAWP 174PSI/FV@400F. (1) 2" Internal Coil rated MAWP 174PSI/FV@400F. Sanitary polished internal and exterior top shell. Dome top and bottom with 2" Center bottom outlet. Top flange and (4) internal baffles with vortex breaker. Does not include motor and agitator. 20" top manway. (4) Lug mounted. 243"OAH x 133"ID. National Board and PED (Double certification). NB #26, Serial #918-1. Built 2025. 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.
Stock No.:
14191142Unused 12,500-Gallon 316L Stainless Steel Reactor by Over
Unused Stainless Steel Reactor, 12500 Gallon. Manufactured by Over. 316L stainless steel construction. Internal MAWP 87 psi @ 400F. Halfpipe jacket MAWP 174 psi @ 400F. 2" Internal Coil rated MAWP 174PSI/FV @ 400F. Sanitary polished internal and exterior top shell. Dome top and bottom with 2" Center bottom outlet. Top flange and (4) internal baffles with vortex breaker. Does not include motor and agitator. 20" top manway. (4) Lug mounted. 243"OAH x 133"ID. National Board and PED (Double certification). Built 2024. 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.
Stock No.:
14191143Sanitary 316L Stainless Steel Reactor – 12,500-Gallon Capacity with Jacket and Coil
Unused 316L Stainless Steel 12500 Gallon Reactor. Manufactured by Over srl. Internal MAWP 87 psi @ 400F. Halfpipe jacket MAWP 174 psi @ 400F. 2" Internal Coil rated MAP 174PSI/FV @ 400F. Sanitary polished internal and exterior top shell. Dome top and bottom with 2" Center bottom outlet. Top flange and (4) internal baffles with vortex breaker. Does not include motor and agitator. 20" top manway. (4) Lug mounted. 243"OAH x 133"ID. National Board and PED (Double certification). Built 2025. 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.
Stock No.:
54687125Used New Brunswick Scientific Co. 500L(132 gallon) capacity Stainless Steel Tank. National Board #566. Diameter is 28” with a 40” straight side with jacket on the lower 31". Vessel- Max Allowable W...
Used-New Brunswick Scientific Co. 500L(132 gallon) capacity Stainless Steel Tank. National Board #566. Diameter is 28” with a 40” straight side with jacket on the lower 31". Vessel- Max Allowable Working Pressure 40PSIG/O PSIA. Jacket-Max Allowable Working Pressure 35 PSIG. Vessel- Max Temp. 300°F. Jacket- Max Temp. 300°F. Vessel- Hydrotest 80 PSIG. Jacket- Hydrotest 100 PSIG. The top has an 18”RFSO with blind flange with a 1” agitator shaft(no motor included) , one 2- ¼” threaded sanitary fitting, one 1-¾” sightglass, one- 3/8” plug, one ¼” plug, one- ¾” plug and a Ametek MNG DIV. Pressure Gauge. The neck has one- ¾” threaded coupling, one- 1” threaded coupling, and two- ¼” couplings with plugs. The top portion has two- 2” 150lb. Pad flanges, one -1” 150lb. Pad flange, five- 1” couplings with fittings and two- 1” sanitary threaded couplings. The jacketed portion has two- 1” threaded couplings and one- ¾” threaded coupling. Below the jacket is three- 1” couplings with fittings, two- 1’ sanitary fittings, and one- ¾” sanitary fitting. The bottom has one- 1” center drain valve, one- 2” 150lb. Pad flange, one- 1” threaded coupling and one- ¾” threaded coupling. The unit sits on four carbon steel legs and has an agitator bracket. Built 1982. Sits on four carbon steel legs. Overall Size is 84” x 52”.
MFR: New Brunswick Scientific
Stock No.:
54687126Used 500 liter (132 gallon) New Brunswick Scientific Co. Chemical Reactor. 304 SS jacket and 316L SS construction. National Board # 567. Has 28" diameter, 44" straight sidewith jacket on the lower 31...
Used 500 liter (132 gallon) New Brunswick Scientific Co. Chemical Reactor. 304 SS jacket and 316L SS construction. National Board # 567. Has 28" diameter, 44" straight sidewith jacket on the lower 31". Unit's vessel max allowable pressure 40 PSIG and max temperature is 300 F. Unit's Jacket max allowable pressure 35 PSIG and max temperature 300F. Hydrotest pressure is rated 80 PSIG on vessel and 100 PSIG on jacket. Top has n 18”RFSO with blind flange with a 1” agitator shaft(no motor included) , one 2- ¼” threaded sanitary fitting, one 1-¾” sightglass, one- 3/8” plug, one ¼” plug, one- ¾” plug and a Ametek MNG DIV. Pressure Gauge. The neck has one- ¾” threaded coupling, one- 1” threaded coupling, and two- ¼” couplings with plugs. The top portion has two- 2” 150lb. Pad flanges, one -1” 150lb. Pad flange, five- 1” couplings with fittings and two- 1” sanitary threaded couplings. The jacketed portion has two- 1” threaded couplings and one- ¾” threaded coupling. Below the jacket is three- 1” couplings with fittings, two- 1’ sanitary fittings, and one- ¾” sanitary fitting. The bottom has one- 1” center drain valve, one- 2” 150lb. Pad flange, one- 1” threaded coupling and one- ¾” threaded coupling.. Unit Stand on (4) 30" steel legs. Overall dimensions: 32" x33" x 82" h.
MFR: New Brunswick Scientific
Types of Used Reactors Available
Aaron Equipment offers a range of used reactors designed to support chemical processing, mixing, and reaction applications:
Exotic Metals & Carbon Steel Reactors – Durable reactors constructed from carbon steel or specialty alloys for handling corrosive or high-temperature chemical processes.
Glass Lined Reactors – Corrosion-resistant reactors with glass-lined interiors, ideal for highly reactive or sensitive chemical applications.
Stainless Steel 0–499 Gallon Reactors – Small-capacity reactors suited for pilot-scale operations, R&D, and small batch production.
Stainless Steel 500–999 Gallon Reactors – Mid-sized reactors designed for moderate batch processing and flexible production needs.
Stainless Steel 1,000–4,999 Gallon Reactors – Large-capacity reactors used for bulk chemical processing and high-volume manufacturing.
Stainless Steel 5,000 Gallon & Up Reactors – High-volume industrial reactors designed for continuous or large-scale batch operations.
Reactor Applications & Industry Uses
Used reactors are essential in industries where controlled chemical reactions and thermal processes are required. Common applications include:
Chemical Processing: Reaction, blending, and synthesis of industrial chemicals
Pharmaceutical Manufacturing: Controlled production of active ingredients and compounds
Food & Beverage: Processing, mixing, and heating of ingredients and formulations
Petrochemical & Energy: Refining and processing of hydrocarbons and specialty products
Specialty Materials: Polymerization, coatings, adhesives, and resin production
These systems enable precise control over reaction conditions, ensuring product quality and process consistency.
Used Reactor Buying Considerations
When selecting a used reactor, it is important to evaluate both process requirements and equipment condition:
Material of Construction: Stainless steel, glass-lined, or alloy based on chemical compatibility
Capacity & Volume: Match reactor size to batch or continuous production requirements
Pressure & Temperature Ratings: Ensure compatibility with operating conditions
Agitation & Mixing: Evaluate impeller type and mixing capabilities
Heating & Cooling Systems: Jackets, coils, or external heat exchangers
Condition & Maintenance History: Review prior use, repairs, and inspection records
Why Buy Used Reactors
Buying used reactors provides a cost-effective solution for expanding processing capacity without the long lead times associated with new equipment. Used reactors offer proven performance and are often available for immediate shipment, helping facilities maintain production schedules and reduce downtime.
Aaron Equipment sources high-quality reactors from leading manufacturers, providing reliable solutions for demanding chemical and industrial applications.
Sell Your Used Reactors
Aaron Equipment actively purchases surplus reactors, including stainless steel, glass-lined, and alloy systems. Whether upgrading equipment or decommissioning a facility, our team can help maximize value.
An industrial reactor is a vessel used to carry out chemical reactions under controlled conditions such as temperature, pressure, and mixing. It is widely used in chemical and manufacturing processes.
Common types include stainless steel reactors, glass-lined reactors, and carbon steel or alloy reactors. Each type is designed for different chemical compatibility and process requirements.
Choosing the right reactor depends on chemical compatibility, capacity, pressure and temperature requirements, and mixing needs. Evaluating these factors ensures proper performance and safety.
Yes. Used reactors are built for long service life and can remain highly reliable when properly maintained, inspected, and refurbished if necessary.
Reactors are used in chemical processing, pharmaceuticals, food production, petrochemicals, and specialty materials manufacturing.