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.
Stock No.:
43388003Used Dorr Oliver/Merco 16L Solid Bowl Decanter Centrifuge – 4,000 RPM
Used- Dorr Oliver/Merco 16L Solid Bowl Decanter Centrifuge. 316 Stainless steel construction (product contact area), maximum bowl speed 4000 rpm, 5" double lead conveyor with welded hardfacing, auger style solids discharge, plate dam liquid discharge, base, discharge chutes, bowl cover, 30hp drive motor , ECB backdrive, belt guard.
MFR: Dorr Oliver/Merco
Stock No.:
43388004Used Dorr Oliver/Merco 16L Decanter Centrifuge
Used- Dorr Oliver/Merco 16L Decanter Centrifuge, maximum bowl speed 4000 rpm. 5" double lead conveyor with welded hardfacing, auger style solids discharge, plate dam liquid discharge, base, discharge chutes, bowl cover, 30hp drive motor , ECB backdrive, belt guard, With Solid Bowl. 316 Stainless steel construction (product contact area)
MFR: Dorr Oliver/Merco
Stock No.:
43912001Used Dorr Oliver 16L Stainless steel Decanter Centrifuge
Used- Dorr Oliver 16L Solid Bowl Decanter Centrifuge. 316 Stainless Steel construction (product contact areas), maximum bowl speed 4000 rpm, 5" double lead conveyor with welded hardfacing, auger design solid discharge ports, adjustable liquid plate dams, coffin design stainless steel casing, cyclo gearbox, base, main drive guard. serial# CH34311SN10MC8.
MFR: Dorr Oliver
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49941002Reconditioned Sharples P-3000 Decanter Centrifuge – 14x30 Bowl, 25 HP, 3180 G-Force, Vibration Monitor
Reconditioned Sharples P-3000 Decanter Centrifuge 14x30 Bowl, 25 HP, 3180 G-Force, Vibration Monitor. 4.25" conveyor pitch; painted steel frame and case; custom vapor seals; special scroll conveyor; floaters; ratio gearbox,; Metrix 5500 vibration switch; 25 HP Main drive motor; 10 HP back-drive motor; BeiJer Electronics Control Panel; steel platform. Reported to be reconditioned.
MFR: Sharples
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51582002US Filter - Hiller JS1500ED Solid Bowl Decanter Centrifuge
Used- US Filter - Hiller JS1500ED Solid Bowl Decanter Centrifuge. Stainless steel product contact parts. 4200 RPM max. bowl speed; 4000 RPM max. operating speed; 122 degrees F max. operating temperature; 81 cu. ft. permissible density; 14.57" (370mm) inside bowl diameter; 64.33" (1634mm) bowl length; .39" bowl thickness; OAD: Approximately 111" L x 54" W x 43" H. Driven by a 25 HP, 3/60/408V, 3530 RPM motor. Built 2004. Previously used for wastewater treatment. (Reported recondition by US Filter).
MFR: US Filter
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51582003Hiller JS1500ED US Filter -Used Solid Bowl Decanter Centrifuge
Used- US Filter - Hiller JS1500ED Solid Bowl Decanter Centrifuge. Stainless steel product contact parts. 4200 RPM max. bowl speed; 4000 RPM max. operating speed; 122 degrees F max. operating temperature; 81 cu. ft. permissible density; 14.57" (370mm) inside bowl diameter; 64.33" (1634mm) bowl length; .39" bowl thickness; OAD: Approximately 111" L x 54" W x 43" H. Driven by a 25 HP, 3/60/408V, 3530 RPM motor. Built 2004. Previously used for wastewater treatment. (Reported recondition by US Filter).
MFR: US Filter
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51121011Used Hutchinson Hayes 5500 High-G Centrifuge | 316 SS Wetted Parts | 3700 RPM | 230 GPM (52 m³/hr) | 16" x 55" Bowl | Control Panel | Mounted on Carbon Steel Frame
Used Hutchinson Hayes High-G Centrifuge Model 5500. 316 Stainless Steel Wetted Parts. Max Bowl Speed 3700 RPM, Max Operating Temp 275 F, 52 M3/hr max flow. 230GPM. Approximately 16" diameter x 55" long bowl. Serial# 995500-220. Mounted Control Panel, Centrifuge is mounted on carbon steel frame.
MFR: Hutchinson Hayes
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51105005Rebuilt Flottweg Z4E/4-901g Solid Bowl Decanter Centrifuge – Alloy 2.4602, 3200 RPM, 30 kW
Rebuilt- Flottweg Z4E/4-901g Solid Bowl Decanter Centrifuge. Alloy 2.4602 construction (product contact areas); maximum bowl speed 3200 rpm; approximate single lead conveyor with welded hard facing; Back drive with powerpack; feed pipe; lubrication system; adjustable liquid plate dams; Approx. 30 KW; 400/3/50/2956 rpm ABB main drive motor with frame/casing; vibration isolators; safety guards and control. New 2001. 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: Flottweg
Stock No.:
45003001Used Alfa Laval PM-3600 Super-D-Canter Centrifuge | 3,500 RPM | Industrial Liquid-Solid Separation
Used- Alfa Laval / Sharples PM-3600 Super-D-Canter Centrifuge. 316 Stainless Steel construction (product contact areas), maximum bowl speed 3500 rpm, 4-1/2" single lead conveyor, liquid plate dams, gearbox 125:1 ratio, base, casing, approximate 37kw (49.6hp) main drive motor (380/50/3), back drive moto. Mounted on a carbon steel sub-frame with vibration isolators, safety guards.
MFR: Sharples
Stock No.:
53900001Used Hiller Decanter Centrifuge – Model DECAPAC DP45-432 (125 GPM, 50 HP, Trailer-Mounted)
Used- Hiller Decanter Centrifuge, Model DECAPAC DP45-432. 125 GPM capacity; 3500 RPM max. operating speed; 3800 RPM max. bowl speed; 93 lbs/cubic foot max. feed density; Duplex stainless steel bowl material; 17.72" inside bowl diameter; .43" bowl wall thickness; 122 degrees F max. ambient operating temperature; 0 bar max. ambient operating temperature. Driven by a 50 HP, 3550 RPM, 60/460V motor. SN #JS00100. Installed in 40' trailer. 8' x 10' office in nose of trailer.
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.