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.
Harvard Nanocool Injector
Harvard Apparatus 4171P PUMPHarvard Apparatus Nanocool Injector Syringe Pump 50ul to 500ul syringe capacity 367.4 pl/min max flow rate with 50ul syringe 1.906ml/min min f...
View full detailsHarvard PHD ULTRA
Harvard Apparatus 4171Q PUMPHarvard Apparatus PHD ULTRA Syringe Pump The Harvard Apparatus PHD ULTRA Syringe Pump is the solution for your most demanding fluidics applications...
View full detailsHeraeus CD 70 peristaltic pump
Heraeus 4115 PUMPHeraeus CD70 Pericor Peristaltic Pump The microprocessor controlled Heraeus CD70 Pericor Peristaltic Pump is used and reconditioned. Heraeus CD70 -...
View full detailsHP 89052A peristaltic pump
HP 4170 PUMPHP 89052A peristaltic pump with low/medium/high speeds 90-day warranty The HP 89052A peristaltic pump delivers up to 1600 ml/hour when paired wit...
View full detailsHydro Picosystem Plus Pump 17012
Pico System 4116C PUMPHydro Picosystem Plus Pump Model 17012 Multi-Purpose Freshwater Pump The Hydro Picosystem Plus Pump Model 17012 is a versatile freshwater pump from...
View full detailsInnovadyne Tech Nanodrop II
Innovadyne 1950B DISPENSEInnovadyne Technologies Nanodrop II The Innovadyne Technologies Nanodrop II delivers high-precision, non-contact dispensing for a wide variety of ...
View full detailsIsmatec 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 detailsKD Scientific 220 syringe pump
KD Scientific 4148 PUMPD Scientific model 220 syringe pump Multiple syringe infusion pump One to ten syringes, 10ul to 10ml each Power cord and manual included 90 day wa...
View full detailsKD200 syringe infusion pump
KD Scientific 4184C PUMPKD Scientific KD200 Syringe Pump Double (two) syringe infusion pump Holds syringes from 10ul to 140ml 90 day warranty There are reasons...
View full detailsLabSystems Multi Drop
labsystems 1947G DISPENSELabsystems Multidrop DW Type 833 The Labsystems Multidrop DW Type 833 is an automated dispenser built for fast, precise microvolume dispensing into...
View full detailsLMI A101-95T metering pump
Liquid Metronics 4114A PUMPLiquid Metronics A101-95T Metering Pump The Liquid Metronics A101-95T Metering Pump is used and reconditioned. It has a variable speed and stroke t...
View full detailsManostat Cassette Jr pump
Manostat 4159B PUMPManostat Cassette Jr 2-cassette capacity 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm that ...
View full detailsManostat Multi channel pump
Manostat 4159 PUMPManostat Multi Channel 10-cassette capacity 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm th...
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 The Cole Parmer Masterflex 75...
View full detailsMaster Flex 7520-40 pump drive
Cole Parmer 4140FF PUMPCole Parmer MasterFlex 7520-40 peristaltic pump Drive only – does not include head Speed range: 6 – 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 The Cole-Parmer 7543-60 is a fixed-speed peristaltic pump motor drive. It’...
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 The Masterflex 7550-90 pump drive is part of the Mas...
View full detailsMasterflex 7553-30 pump drive
Masterflex 4168BB PUMPMasterflex Model 7553-30 Pump Drive Flow rate range:0.36 to 3400 mL/min Speed range: 6 to 600 RPM 90-day warranty The Masterflex Model 7553-30 is...
View full detailsMasterflex 7554-80 pump drive
Cole Parmer 4167B PUMPCole Parmer 7554-80 economy pump drive Max flow rate: 1130mL/min Minimum flow rate: 0.42mL/min Variable speed control 90-day warranty The Cole P...
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...
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