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.
Perkin Elmer MultProbe II Plus
Perkin Elmer 1958A DISPENSEPerkin Elmer MultiPROBE II Plus HT EX The Perkin Elmer MultiPROBE II Plus HT EX is a robotic liquid handling system designed to automate sample pre...
View full detailsPFC Inc G1201T/W pump
PFC 4163A PUMPProminent Fluid Controls, Inc., Model G1201T with pump 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to...
View full detailsPulsafeeder 340 metering pump
Pulsafeeder 4177A PUMPPulsafeeder 340 diaphragm pump Flow up to 11.5 gph (43.5 lph) Pressure up to 175 psi (12 bar) Temperature from 4.4°C to 82°C 90-day warranty The ...
View full detailsScilog Accu metering pump
SciLog 4133 PUMPSciLog Accu Series Pump The SciLog Accu Series Pump is a high precision, continuous duty, variable speed metering pump with piston Fluid Metering S...
View full detailsScilog FM420 metering pump
Scilog 4132 PUMPScilog Expert FM 420 Piston Metering Pump The Scilog Expert FM 420 Piston Metering Pump is a microprocessor-controlled pump designed for various ap...
View full detailsVWR mini pump
VWR 4147A PUMPVWR Variable Flow Mini-Pump Variable flow control Flow rates from 0.03 to 8.20 ml/min 90-day warranty Variable flow Mini-Pump is a bi...
View full detailsWatson Marlow 502 UK pump
Watson Marlow 4180B PUMPWatson Marlow 502 UK pump 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm that it operates pro...
View full detailsWatson Marlow 502AA pump head
Watson Marlow 4185 PUMPWatson Marlow 502AA 10 channel pump 90-day warranty Most of our equipment is used and reconditioned. Our technicians test all equipment to confi...
View full detailsWheaton Unispense uP dispenser
Wheaton 1949C DISPENSEWheaton UniSpense uP Dispenser The Wheaton UniSpense uP Dispenser offers precise and efficient liquid dispensing using a reliable peristaltic pumpi...
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