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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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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54481001Used Flottweg Z4D/4-454 Decanter Centrifuge | Solid Bowl 316SS Wastewater Centrifuge
Used- Flottweg Z4D/4-454 Solid Bowl Decanter Centrifuge. 316 Stainless Steel construction (product contact areas), maximum bowl speed 3500 rpm, single lead conveyor with welded hardfacing. Feed pipe, lubrication system, adjustable liquid plate dams, Approx 30 KW (40.2 HP) main drive motor, coupling, frame/casing, vibration isolators, safety guards. (1) Control panel, (1) Hydraulic unit, (1) 20 container, on wheels. Previously used in a wastewater treatment application. Our freight specialists can assist with freight and customs documentation to help make a smooth transfer.
MFR: Flottweg
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54530001Used- Flottweg Decanter Centrifuge, Model Z3E-4/401. Maximum bowl speed 5250 RPM. Maximum sediment density 1.6 kg/dm3. Stainless steel product contact areas, food grade. Cone angled at 8 degrees. 15 HP main drive motor, 10 HP scroll drive. Includes upgraded auto grease system and upgraded AC unit built into the control panel. On 4 legs. 3/60/480VAC. Serial # 200102437, built 2023, 228 hours.
MFR: Flottweg
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52478001Used GEA Westfalia Clarifying Decanter Centrifuge
Used- GEA Westfalia Clarifying Decanter Centrifuge; Model CB 458-00-30; Nominal Bowl Speed 2700/min; 120 Cubic Decimeter Filling Volume; Minimum/Maximum Temperature of Feed Product 5/80 degrees C; Mfg. 2008. Last used in a Lactose operation.
MFR: GEA Westfalia
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40328056Used Alfa Laval AVNX 919B-31G Decanter Centrifuge System – Complete Containerized Sludge Dewatering Package
Used Alfa Laval AVNX 919B-31G Decanter Centrifuge System Complete Containerized Sludge Dewatering Package. 316 Stainless Steel construction (product contact areas), maximum bowl speed 3250 rpm, conveyor with welded hardfacing. Approx 30 KW (40.2 HP) main drive motor, coupling, frame/casing, vibration isolators, safety guards. (2) Control panels, (1) Hydraulic unit, (1) Polymer station, (1) Discharge conveyer. Installed in a 20 container. Overall dimention:7500 mm long x 2450 mm width x 2550 mm high. Weight 7 tonnes. Previously used in a wastewater application.
MFR: Alfa Laval
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13652030Used & Refurbished Alfa Laval Decanter Centrifuge – Model NX14 Series 400
Used & Refurbished Alfa Laval Decanter Centrifuge Model NX14 Series 400. Brand new control panel included Technical information: Throughput capacity up to 6 m3/hr Effective capacity depends on the characteristics of the product and the quality of clarification required around: 2.500 lt/hr avocado oil 2.500 lt/hr seed oil 10-11 q.li olive oil 1.500-2.000 lt/hr animal fat 1.400 lt/hr sludge plastic recovery 3.000 lt/hr vegetable drink 2.500-3.000 lt/hr animal blood Bowl diameter 353 mm Bowl length 888 mm Two phase (solid/liquid); open discharge liquids, open discharge solid Main motor 15 kW (VFD) Back motor 4 kW (on-off) if requested Bowl speed 4000 rpm Gear box 2,5 kNm 2-stage 1:159 Operator safety device included Torque overload device included Manual included New control panel PLC, TOUCHSCREEN SIEMENS 3F+N+PE 400 V50 Hz: VFD on the main motor (and self-braking back motor if requested Decanter Gross measures: 2600x1600x1600h mm Decanter Gross weight: 1250 kg Control panel Gross measusres: 100x30x60h mm Control panel gross weight: 80 kg Application examples Avocado oil Edible oil Fruit juice Curds and whey Seed oil (sunflower) Plastic recovery Biogas Chamomile Vegetable drinks Sludge. 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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10151382Used Alfa Laval NX-309 Solid Bowl Decanter Centrifuge
Alfa Laval NX-309 Solid Bowl Decanter Centrifuge, stainless steel construction (Product contact areas), base, casing, gearbox, mounted on a platform, 25 hp drive motor, hydraulic back drive. misc. spare parts, push button control. Used. 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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13048022Industrial Flottweg Decanter Centrifuge – Model S3E-3/408, Surimi Use, Excellent Condition
Used Flottweg Model S3E-3/408 Sedicanter Decanter Centrifuge. 316 stainless steel. Max bowl speed 7750 RPM, 10,100 x G, rated @ 1 TPH, 4" single lead TC spray conveyor, 15 KW motor 460/3/60, 4 KW backdrive, SIMP-drive 48.7:1 gearbox, feed tube, lube system, vibration switch/isolators, guards, chutes and control panel. Unitized on a SS skid. Prior use: Surimi. Excellent running condition.
MFR: Flottweg
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41174049PIERALISI JUMBO 4 Solid Bowl Decanter Centrifuge
Used- Reconditioned PIERALISI JUMBO 4 Solid Bowl Decanter Centrifuge. Stainless steel construction on product parts. Max bowl speed 3350 rpm. 2 phase. Single lead conveyor. Last application was sludge dewatering of soft bio sludge. This decanter unit is equipped with an automatic back drive system and comes with an electric panel, set of tools and decanter manual. Main drive: ABB motor: 45 kW, 50 Hz. Hydraulic capacity; approx. 55 m3/hour Estimated sludge capacity: 800 kg dry solids/hour. Max sludge density: 1,4 kg/dm3. Completely decanter-factory-work-shop reconditioned. Reconditioning report available on request. The steering panel also control instruments, feed pump, sludge conveyor for the dewatered sludge and flocculation mixer unit. Bowl Diam. (mm): 470 L/D ratio: 4,89 Half cone angle: 8,0 D-solids: 260 L-cyl: 1530 L-cone: 768 Max rpm / G-force: 2700 / 1915. 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.
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.