Used Decanter Centrifuges for Sale
Decanter centrifuges are continuous separation systems designed to remove solids from liquids using high-speed rotational force. These horizontal centrifuges feature a rotating bowl and an internal scroll conveyor that continuously separates and discharges solids, making them ideal for high-throughput processing. Used decanter centrifuges are widely used in wastewater treatment, chemical processing, food production, and industrial manufacturing where efficient solid-liquid separation is required. Aaron Equipment offers used decanter centrifuges for sale in a range of bowl sizes, drive configurations, and capacities to meet various process demands.
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53835001Used Alfa Laval Solid Bowl Decanter Centrifuge – Model Foodec-209
Used- Alfa Laval Solid Bowl Decanter Centrifuge, Model Foodec-209, 316 stainless steel construction (product contact areas). Maximum bowl speed 4400 rpm. Maximum G force 3030. Single lead conveyor, 360 degree solids discharge ports with wear inserts, base, casing with CIP spray header, Approx. 15 kW (20hp)main drive motor, feed pipe, safety guards, gearbox. On 4 legs. Includes: Stainless steel control panel. Serial# 5120827-2006, built 2006. 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
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54028001Used GEA Westfalia UCD 205-00-02/32c Decanter Centrifuge – 5500 RPM, 2-Phase, Stainless Contact, WWT Application – 2011
Used- GEA Westfalia UCD 205-00-02/32c Decanter Centrifuge. Stainless steel construction (product contact areas), max bowl speed 5500 rpm, 2 phase separation (liquid/solids) design, single row of lined cake solids discharge ports, base, casing, gearbox. On 4 legs. Previously used in an WWT application. Serial# 8860-355, built 2011. 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: Westfalia
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54047001Used Alfa Laval Aldec-G2-40 Solid Bowl Decanter Centrifuge – 316SS, 4000 RPM, 40 HP, Wastewater Application
Used Alfa Laval Aldec-G2-40 Solid Bowl Decanter Centrifuge 316SS, 4000 RPM, 30 HP, Wastewater Application. Maximum bowl speed 4000 RPM. Single row of lined cake discharges ports with wear liners, liquid plate dams, base, stainless steel casing, gearbox, Approx 40 HP, 460 Volt Baldor, main drive motor. Frame mounted on (4) legs. Mfg. 2007. Previously used in a wastewater treatment application.
MFR: Alfa Laval
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54176002Used Alfa Laval NX-414-B-31G Solid Bowl Decanter Centrifuge – Stainless Steel
Used- Alfa Laval NX-414-B-31G solid bowl decanter centrifuge, Stainless steel construction (product contact areas). Max bowl speed 4000 rpm, single row of lined solids discharge ports, base, casing, gearbox, feed pipe, control.
MFR: Alfa Laval
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54176003Alfa Laval NX-414-B-31G Decanter Centrifuge – High-Speed Solid-Liquid Separator
Used Alfa Laval NX-414-B-31G high-speed solid-liquid decanter centrifuge. Stainless steel product-contact areas. Maximum bowl speed 4000 rpm with single row of lined solids discharge ports; includes base, casing, gearbox, and feed pipe. Sold without stand and without controls. Removed from service in 2017 after use on organic soybean oil degumming
MFR: Alfa Laval
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54188001Used Dorr Oliver 12L Solid Bowl Decanter Centrifuge – Stainless Steel, 5000 RPM, Reconditioned
Used- Dorr Oliver 12L solid bowl Decanter Centrifuge, Stainless steel construction (product contact areas), max bowl speed 5000 rpm, 2.5" double lead conveyor, centripetal pump liquid discharge, base, stainless steel solids discharge chute, bowl cover, 35:1 ratio cyclo gearbox. 15 hp drive motor (460/3/60), vibration switch, belt guard. (Reported to be reconditioned and unused since)
MFR: Dorr Oliver
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54232001Used Pieralisi Jumbo 3 Containerized Mobile Decanter Centrifuge System | 3350 RPM | 350L Viscotherm Pump | 70 BAR | Stainless Construction | Built 2007
Used Pieralisi Jumbo 3 Containerized Mobile Decanter Centrifuge System | 3350 RPM | 350L Viscotherm Pump | 70 BAR | Stainless Construction | Built 2007. Product density 14 Kg/dm3. Includes Viscotherm High Pressure Pump Unit, Type E55-71/71D-EX. 350L tank, rated 70 BAR. Previously used on drilling mud. Serial# J04172.
MFR: Pieralisi
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54232002Used Pieralisi Jumbo 3 Mobile Decanter Centrifuge | Containerized System | 3350 RPM | 350L 70 BAR Viscotherm Pump | Built 2007
Used Pieralisi Jumbo 3 Mobile Decanter Centrifuge | Containerized System | 3350 RPM | 350L 70 BAR Viscotherm Pump | Built 2007 Product density 14 Kg/dm3. Includes Viscotherm High Pressure Pump Unit, Type E55-71/71D-EX. 350L tank, rated 70 BAR. Previously used on drilling mud. Serial# J04171.
MFR: Pieralisi
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54232003Used Pieralisi Jumbo 3 Industrial Decanter Centrifuge | 3350 RPM | Containerized Stainless System with Viscotherm Pump | Built 2007
Used Pieralisi Jumbo 3 Industrial Decanter Centrifuge | 3350 RPM | Containerized Stainless System with Viscotherm Pump | Built 2007. Product density 14 Kg/dm3. Includes Viscotherm High Pressure Pump Unit, Type E55-71/71D-EX. 350L tank, rated 70 BAR. Previously used on drilling mud. Serial# J04385.
MFR: Pieralisi
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54232004Used Pieralisi Jumbo 3 Oilfield Decanter Centrifuge System | Mobile Containerized Unit | 350L 70 BAR Pump | Drilling Mud Service
Used Pieralisi Jumbo 3 Oilfield Decanter Centrifuge System | Mobile Containerized Unit | 350L 70 BAR Pump | Drilling Mud Service. Product density 14 Kg/dm3. Includes Viscotherm High Pressure Pump Unit, Type E55-71/71D-EX. 350L tank, rated 70 BAR. Previously used on drilling mud. Serial# J04444, built 2007.
MFR: Pieralisi
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54232005Used Pieralisi Jumbo 3 Mobile Decanter | Containerized Centrifuge System for Sludge & Wastewater | 3350 RPM | Built 2007
Used Pieralisi Jumbo 3 Mobile Decanter | Containerized Centrifuge System for Sludge & Wastewater | 3350 RPM | Built 2007. Product density 14 Kg/dm3. Includes Viscotherm High Pressure Pump Unit, Type E55-71/71D-EX. 350L tank, rated 70 BAR. Previously used on drilling mud. Serial# J04388.
MFR: Pieralisi
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54232006Used Tomoe PTM500 Decanter Centrifuge with Fully Tiled Conveyor
Used- Tomoe Decanter Centrifuge, Model PTM500. Fully tiled conveyor for added wear protection and bearing lubrication system. Machine mass is 6,600 kg (approximately 14,551 lbs). Suitable for continuous solids-liquid separation, dewatering, clarification, and classification applications including ethanol processing, spent grains, industrial slurries, and similar process products. Built 2012.
MFR: Tomoe
Decanter Centrifuge Applications & Typical Use Cases
Used decanter centrifuges are commonly used in applications requiring continuous solid-liquid separation. Typical use cases include:
Sludge thickening and dewatering in wastewater treatment
Separation of chemical slurries and industrial byproducts
Oil, fat, and grease separation in food processing
Biomass and fermentation separation in biotechnology
Clarification of process liquids in industrial operations
These machines are well-suited for handling high solids content and continuous processing environments.
When to Choose a Decanter Centrifuge
Decanter centrifuges are best suited for operations requiring continuous separation and automated solids discharge. They are typically selected over batch centrifuges when high throughput and minimal operator intervention are priorities. Processes involving slurries with significant solids content or requiring consistent, uninterrupted separation performance benefit from decanter centrifuge systems.
Used Decanter Centrifuge Buying Considerations
When evaluating a used decanter centrifuge, consider:
Bowl diameter and length: Affects separation efficiency and throughput capacity
Differential speed: Controls solids conveyance and separation performance
Torque rating and drive system: Important for handling heavy or abrasive materials
Solids handling capacity: Must align with feed concentration and production requirements
Wear components and maintenance history: Evaluate scroll condition, bearings, and rebuild records
Why Buy Used Decanter Centrifuges
Purchasing a used decanter centrifuge can significantly reduce capital costs while maintaining reliable separation performance. Many units are available for immediate shipment, helping facilities avoid long OEM lead times. Used equipment also provides access to proven, industrial-grade systems suitable for demanding applications.
Sell Your Used Decanter Centrifuges
Aaron Equipment purchases surplus and used decanter centrifuges from a wide range of manufacturers and configurations. Whether you are upgrading equipment, liquidating assets, or have idle inventory, our team can assist with buyouts or consignment opportunities.
A decanter centrifuge is a continuous separation machine that uses centrifugal force to separate solids from liquids. It features a rotating bowl and internal scroll conveyor that automatically removes solids, making it ideal for high-volume processing.
Decanter centrifuges are used for sludge dewatering, slurry separation, oil and fat clarification, and industrial wastewater processing. They are commonly used in chemical, food, and environmental applications requiring continuous separation.
Decanter centrifuges operate continuously and automatically discharge solids, while basket centrifuges typically run in batch cycles and require manual or semi-automated unloading. Decanters are preferred for high-throughput operations, while basket centrifuges are used for specific batch processes.
The cost of a used decanter centrifuge depends on factors such as size, manufacturer, capacity, condition, and configuration. Larger or specialized units typically command higher prices. Contact Aaron Equipment for current availability and pricing.
Yes. Aaron Equipment purchases used decanter centrifuges across multiple manufacturers and configurations. If you have equipment available for sale, submit your details to request an evaluation.