Used Vacuum Pumps for Sale
Vacuum pumps are industrial devices designed to remove gas molecules from a sealed system to create a vacuum for processing, handling, or manufacturing applications. These systems are essential for controlling pressure, removing air or vapor, and enabling processes such as drying, distillation, filtration, and material transfer. Used vacuum pumps are widely utilized in chemical processing, pharmaceuticals, food production, plastics, and industrial manufacturing. Aaron Equipment offers used vacuum pumps for sale in a variety of types, capacities, and configurations to meet diverse process requirements.
Stock No.:
51154003Used Nash SC7 SC Liquid Ring Vacuum Pump – 60 HP, Carbon Steel, Frame-Mounted
Used- Nash SC Liquid Ring Vacuum Pump, Model SC7, Carbon Steel. Approximate 500 to 735 cfm. Driven by 60 hp, 3/60/230/460 volt, 1775 rpm motor. Max 880 rpm. Includes silencer. Mounted on frame. Test# 94E9919.
MFR: Nash
Stock No.:
51154004Used Nash SC7 SC Liquid Ring Vacuum Pump – 500-735 CFM, 60 HP
Used- Nash Model SC7 SC Liquid Ring Vacuum Pump, Carbon Steel. Approximate 500 to 735 cfm. Driven by 60 hp, 3/60/230/460 volt, 1775 rpm motor. Max 880 rpm. Includes silencer. Mounted on frame. Test# 94E9920.
MFR: Nash
Stock No.:
51780001Used Nash Elmo CL-2002 Liquid Ring Vacuum Pump – 2120 CFM, Rebuilt 2005
Used- Nash Elmo CL Series Liquid Ring Vacuum Pump, Model CL-2002, Carbon Steel. Approximate capacity with a 125hp motor is 2120 CFM at 15" HG. 6" Inlets, 5" outlets. Requires a motor. Test# 05612293, rebuilt 2005.
MFR: Nash
Stock No.:
51780004Used Nash CL-2002 Liquid Ring Vacuum Pump – 2120 CFM, Carbon Steel
Used- Nash CL Series Model CL-2002 Liquid Ring Vacuum Pump, Carbon Steel. Approximate capacity with a 125 hp motor is 2120 CFM at 15" HG. 6" Inlets, 5" outlets. Requires a motor. Test# 82U4020.
MFR: Nash
Stock No.:
52052009Industrial Liquid Ring Vacuum Pump - Nash CL Series, 3/60/230/460V
Used- Nash CL Series Liquid Ring Vacuum Pump, Model CL-703/4. Approximate 500 to 650 cfm. Driven by a 75hp, 3/60/230/460 volt, 1185 rpm motor. Approximate 4" inlet, 3" outlet. Mounted on a base plate.
Stock No.:
52938001Used Nash 2BA Vacuum Pump – Type ELMO-F, 1,200-13,000 ACFM, 50 PSIA
Used- Nash Vacuum Pump, Model 2BA, Type ELMO-F. Suction Capacity: 1,200 to 13,000 ACFM, 50 psia discharge pressure. 8" diameter Inlet/Outlets. Requires 500hp motor, No motor included. Serial# 518208A Reportedly rebuilt.
MFR: Siemens Allis
Stock No.:
53844008Sterling Sihi LEMR 110 Vacuum System – 4HP Motor, Mobile Cart
Used Sterling Sihi Industrial Vacuum Pot Skid. Consisting of Sterling Sihi Model LEMR 110 AZAAA0AA, Serial# C04-531683-02, Approximately 16" diameter x 20" straight side vessel. Driven by 4hp, 3/50/190/380 volt, 1425 rpm motor. H&S Inc. stainless steel vessel, internal rated 20 psi, Serial# 04056001, built 2003, 3"center bottom outlet with valve. Start / Stop panel. Mounted on mobile cart.
Stock No.:
11690030Used Skid Mounted Vacuum & Heat Exchange Process System | Liquid Ring Pump & Alfa Laval HX
Used- Skid Mounted Vacuum and Heat Exchange Process System with Sterling Fluid Systems liquid ring vacuum pump. Model lima 251 97 and (2) Alpha Laval brazed plate heat exchangers, Model CB76-30H, also includes pneumatic actuated proportional flow control valves and stainless steel process piping.
MFR: Sterling
Stock No.:
54407001Used Travaini TRHE 32-45/C/RZ Liquid Ring Vacuum Pump – CO2 Roughing Pump System with Intervac Booster
Used- Travaini Liquid Ring Vacuum Pump, Model TRHE 32-45/C/RZ. Rated 28.8" vacuum at 11 cfm. 3 HP, 3450 RPM, 3/60/230/460V motor. With Fenwal Thermostat and Model PLT3206/5CGF Intervac pump. Approx. OAD: 60" L x 40" W x 70" H. Located 2629 Seventh Street Berkeley CA 94710; Can load; $4,000 PRD; Seller is working on getting us a video; Can accommodate inspection; no docs; was previously used as "CO2 Vacuum Roughing Pump"
MFR: Travaini
Stock No.:
52283019Buy Used Vac-U-Max VPU-S-3T Vacuum Conveyor – Industrial Bulk Material Handling
Used- Vac-U-Max Model VPU-S-3T Positive Displacement Vacuum Conveying System with Sutorbilt 3 HP blower. Rated approximate 51 CFM @ 12" HG. Driven by a 3 HP, 230/460 volts, 3-phase, 60 Hz, 1730 RPM motor. Includes 2" diameter NPT inlet & outlet with 2 silencers. Mounted on carbon steel frame.
MFR: Vacumax
Vacuum Pump Applications & Typical Use Cases
Used vacuum pumps are commonly used in processes requiring controlled vacuum environments. Typical applications include:
Vacuum drying and evaporation processes
Distillation and solvent recovery systems
Filtration and degassing operations
Pneumatic conveying and material handling
Packaging and vacuum sealing systems
These pumps are critical in industries where pressure control and air removal improve efficiency and product quality.
When to Choose a Vacuum Pump
Vacuum pumps are best suited for operations that require reduced pressure environments for processing or handling materials. They are typically selected based on required vacuum level, flow rate, and process compatibility. Different pump types—such as rotary vane, liquid ring, diaphragm, or dry screw—are chosen depending on the application, including handling of vapors, corrosive gases, or moisture-laden streams.
Used Vacuum Pump Buying Considerations
When evaluating a used vacuum pump, consider:
Vacuum level and capacity: Ensure the pump meets required pressure and flow specifications
Pump type: Select appropriate design based on application (e.g., liquid ring for wet processes, dry pumps for contamination-sensitive environments)
Material compatibility: Verify construction materials for handling corrosive or reactive gases
Seal and internal condition: Inspect wear components, seals, and maintenance history
Motor and drive system: Confirm power requirements and operational compatibility
Why Buy Used Vacuum Pumps
Purchasing a used vacuum pump can significantly reduce capital costs while maintaining reliable performance in industrial applications. Many units are available for immediate delivery, helping facilities avoid long lead times associated with new equipment. Used pumps also provide access to proven designs that can be quickly integrated into existing systems.
Sell Your Used Vacuum Pumps
Aaron Equipment purchases surplus and used vacuum pumps across a wide range of types and configurations. Whether you are upgrading equipment, shutting down operations, or selling idle assets, our team can assist with buyouts or consignment opportunities.
A vacuum pump is a device that removes gas molecules from a sealed system to create a vacuum. It is used in industrial processes requiring reduced pressure for drying, filtration, distillation, and material handling.
Vacuum pumps are used in applications such as vacuum drying, distillation, degassing, filtration, and packaging. They are widely used in chemical, pharmaceutical, food processing, and manufacturing industries.
Common types include rotary vane pumps, liquid ring pumps, diaphragm pumps, and dry screw pumps. Each type is designed for specific applications, depending on required vacuum levels, gas composition, and process conditions.
The cost of a used vacuum pump depends on type, capacity, manufacturer, condition, and materials of construction. Larger or specialized pumps typically command higher prices.
Yes. Aaron Equipment purchases used vacuum pumps across a range of types and configurations. If you have equipment available for sale, submit your details to receive an evaluation.