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.
Cole Parmer 74900 syringe
Cole Parmer 4195 PUMPCole Parmer model 74900 syringe pump Single syringe infusion pump Reproducibility: +/- 0.1% Syringe size accepted: 10ul to 60mL 90 day warranty T...
View full detailsCole Parmer Syringe Pump
Cole Parmer 4148AA PUMPCole Parmer Syringe Pump Comparable to KD Scientific model 100 Single syringe infusion pump Holds syringes from 10ul to 60ml 90-day warrant...
View full detailsHarvard 22 syringe infusion
Harvard Apparatus 4172D PUMPHarvard 22 infusion syringe pump Harvard Pump 22, model 55-2222 Infusion pump with standard 2-syringe rack 90-day warranty This is quite literall...
View full detailsHarvard 22 syringe pump
Harvard Apparatus 4169B PUMPHarvard 22 Basic multiple syringe pump with microprocessor control Standard 2-syringe rack Accuracy of +/- 0.35% 90-day warranty This is quite ...
View full detailsHarvard Apparatus 11 syringe
Harvard Apparatus 4169D PUMPHarvard Apparatus model 11 syringe pump Harvard Apparatus model 11 55-1111 Accepts two syringes from 0.5ul to 10ml Single syringe infusion/withdra...
View full detailsHarvard Apparatus 44, syringe
Harvard Apparatus 4169C PUMPHarvard Apparatus 44 programmable syringe pump Harvard Apparatus model 44 Single syringe infusion/withdrawal Power cord and manual included 90 day...
View full detailsHarvard Apparatus Multisyringe
Harvard Apparatus 4169H PUMPHarvard Apparatus 55-5920 multi-syringe Plus syringe pump Harvard Apparatus 55-5920 syringe pump Ten syringe infusion pump 90-day warranty Harva...
View full detailsHarvard 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 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 detailsOrion Sage 362 Syringe Pump
Sage 4172GG PUMPOrion ATI Sage model 362 syringe pump 0 - 100 mL/min Infusion and withdrawal modes 90-day warranty Rugged, user-friendly Sage pumps are used to i...
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