Pumps/Dispensers
American Instrument Exchange offers used and refurbished laboratory pumps and dispensers for sale, designed for precise fluid handling, liquid transfer, dosing, and vacuum applications in scientific, pharmaceutical, clinical, and industrial laboratory environments. Our inventory includes peristaltic pumps, vacuum pumps, diaphragm pumps, syringe pumps, bottle-top dispensers, and laboratory fluid handling systems from trusted manufacturers including Masterflex, Welch, KNF, Gilson, and Cole-Parmer.
Laboratories use pumps and dispensers for a wide range of applications including sample transfer, media dispensing, vacuum filtration, chromatography support, solvent handling, chemical dosing, and analytical instrumentation workflows. When selecting a laboratory pump or dispenser, buyers should consider flow rate range, chemical compatibility, vacuum performance, dispensing accuracy, tubing configuration, and compatibility with laboratory workflow requirements. Choosing the correct fluid handling equipment can improve process consistency, laboratory efficiency, and analytical reliability.
American Instrument Exchange has extensive experience refurbishing laboratory equipment, including fluid transfer systems, vacuum pumps, and laboratory dispensers. Our technicians inspect and test each unit to verify motor performance, vacuum integrity, flow control accuracy, controller functionality, and overall operational reliability prior to shipment. All pumps are cleaned, serviced, and evaluated to help ensure dependable performance upon installation at your facility.
Our inventory includes peristaltic pumps for gentle fluid transfer, vacuum pumps for filtration and evaporation applications, syringe pumps for controlled dispensing, and bottle-top dispensers for accurate reagent handling. These systems are commonly used in life science laboratories, pharmaceutical research facilities, biotechnology companies, chemical laboratories, environmental testing facilities, and industrial quality control environments.
Browse our selection of used laboratory pumps and dispensers for sale to find reliable fluid handling equipment at competitive prices. Specifications are provided to assist with laboratory planning, application compatibility, and installation requirements.
Ismatec 7611 peristaltic pump
Cole Parmer 4161 PUMPIsmatec (Cole Parmer) Model 7611 pump 5-channel head Flow rate: .003 - 425 mL 90-day warranty This pump is used and reconditioned. Our technician...
View full detailsIsmatec Flowmaster FMT300 pump
Ismatec 4117G PUMPIsmatec Flowmaster Model FMT300 The Ismatec Flowmaster Model FMT300 pump is ideal for transferring fluids in biotechnology, pharmaceutical, food, a...
View full detailsMaster Flex 7520-40
Cole Parmer 4140F PUMPCole Parmer 7520-40 peristaltic pump Includes 7024-20 head 6 to 600 RPM 0.36 mL/min to 3400 mL/min 90-day warranty TheĀ Cole Parmer Masterflex 75...
View full detailsMaster Flex 7520-40 pump drive
Cole Parmer 4140FF PUMPCole Parmer MasterFlex 7520-40 peristaltic pumpĀ Drive only ā does not include head Speed range: 6 ā 600 rpm / +/- 2% Flow rate: 36 mL/min to 3400...
View full detailsMasterflex 7520-00
Cole Parmer 4140E PUMPCole Parmer 7520-00 Peristaltic Pump The Cole Parmer 7520-00 Peristaltic Pump simple analog controls that allow users to easily integrate these dri...
View full detailsMasterflex 7543-60 pump drive
Cole Parmer 4168AA PUMPCole Parmer 7543-60, 60 rpm fixed speed pump with head 90-day warranty TheĀ Cole-Parmer 7543-60Ā is aĀ fixed-speed peristaltic pump motor drive. Itā...
View full detailsMasterflex 7550-90 pump
Cole Parmer 4166N PUMPMasterflex 7550-90 pump drive with 7518-00 Easy-Load head Max speed: 600 rpm 90-day warranty TheĀ Masterflex 7550-90Ā pump drive is part of the Mas...
View full detailsMasterflex 77000-00 pump drive
Cole Parmer 4168 PUMPCole Parmer Model 77000-00 peristaltic, fixed speed pump Fixed speed: 60 RPM Flow rate: 3.6 - 290 ml/min 90-day warranty Large chemical compatibi...
View full detailsMasterflex 77120CL pump
Cole Parmer 4168P PUMPCole Parmer Model 77120 Masterflex C/L peristaltic pump for micropore autoanalysis tubing Flow rate: 2.2 μL/min to 37 mL/min 90-day warranty The...
View full detailsMasterflex7550-60 pump drive
Cole Parmer 4168I PUMPCole Parmer 7550-60 microprocessor control pump drive with digital readout 10-600 rpm Without head 90-day warranty This pump is used and recondit...
View full detailsMillipore XX80-000-00 pump
Millipore 4179 PUMPMillipore xx80 000-00 variable pump with head 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm ...
View full detailsMillipore XX80-200-00
Millipore 4179C PUMPMillipore XX80-200-00 peristaltic pump 80-100 ml/minute 90-day warranty This Millipore XX80-200-00 peristaltic pump is used and reconditioned. Ou...
View full detailsMillipore XX8020E pump
Millipore 4179A PUMPMillipore xx8020E fixed pump with head 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm that it...
View full detailsMillipore XX81N000 peristaltic
Millipore 4179B PUMPMillipore Model XX81N000 peristaltic pump with head 90-day warranty This Millipore XX81N000 peristaltic pump is used and reconditioned. Our techn...
View full detailsRobbins AP Wash Module Pump
Robbins 4164C PUMPRobbins AP Wash module peristaltic pump, dual heads 90-day warranty Most of our equipment is used and reconditioned. Our technicians test all eq...
View full detailsSpectra/Chrom MP-2 peristaltic
Spectrum/Chrom 4175 PUMPSpectrum/Spectra/Chrom Model MP-2 peristaltic pump 600 rpm 90-day warranty This peristaltic pump is used and reconditioned. Our technicians test ...
View full detailsThermo Fisher 850-3002 pump
Thermo 4162E PUMPThermo/Cole Parmer 850-3002 peristaltic pump Model 850-3002 Includes 77201-62 EZ Load pump head Speed range: 10rpm to 600rpm 90-day warranty ...
View full detailsWatson Marlow 101 F/R pump
Watson Marlow 4184B PUMPWatson Marlow 101F/R fixed speed peristaltic pump with head 24 RPM 90-day warranty The 100 series is Watson-Marlow's low-flow single-channel rang...
View full detailsWatson Marlow 302 peristaltic
Watson Marlow 4193A PUMPWatson Marlow Model 302 Peristaltic Pump 90-day warranty Most of our equipment is used and reconditioned. Our technicians test all equipment to ...
View full detailsWatson Marlow 313f Peristallti
Watson Marlow 4193F PUMPWatson Marlow Model 313f Peristaltic Pump 90-day warranty Most of our equipment is used and reconditioned. Our technicians test all equipmen...
View full detailsWatson Marlow 501U peristaltic
Watson Marlow 4187 PUMPWatson Marlow 501U pump with 501 RL head Maximum speed: 200 rpm 90-day warranty This pump is used and reconditioned. Our technicians test all equ...
View full detailsWatson Marlow 502S peristaltic
Watson Marlow 4180A PUMPWatson Marlow 502S peristaltic pump with 501RL pump head Speed: up to 170 rpm Maximum flow rate: 1.8 L/ min 90-day warranty The self-priming per...
View full detailsWatson Marlow 503S peristaltic
Watson Marlow 4181 PUMPWatson Marlow 503S peristaltic pump with standard variable speed drive Digital speed setting Reversing switch Flow rate .3 micro liter/min to 1700...
View full detailsWatson Marlow 505U peristaltic
Watson Marlow 4189D PUMPWatson Marlow 505U microprocessor control peristaltic pump with 501 RL head 220 RPM maximum speed 90-day warranty This pump is used and reconditi...
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