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 07019-21 pump head
Cole Parmer 4146 PUMPCole Parmer 07019-21 I/P standard pump head with stainless-steel rotor 0.2 to 13 liters per minute 90-day warranty Most of our equipment...
View full detailsCole Parmer 7019-56 pump head
Cole Parmer 4146C PUMPCole Parmer 7019-56 polypropylene sulfide high-capacity pump head 90-day warranty This pump head is used and reconditioned. Our technicians test ...
View full detailsCole 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 7518-12 pump head
Cole Parmer 4112B PUMPCole Parmer Fixed Speed Pump with Head The Cole Parmer Fixed Speed Pump with Head, model 7518-12, has 460 RPM pump speed with a 1/4 HP AC motor.Ā ...
View full detailsCole Parmer 77490 peristaltic
Cole Parmer 4166C PUMPCole Parmer 77490-00 high-capacity peristaltic pump with 7529 head 90-day warranty The Cole Parmer 77490-00 is a high-capacity peristaltic pump d...
View full detailsCole Parmer 77490 peristaltic
Cole Parmer 4166B PUMPCole Parmer 77490 High-capacity Single Speed Peristaltic Pump 100 rpm, 1/2 gpm 90-day warranty This pump is used and reconditioned. Our technicia...
View full detailsCole Parmer I/P hazardous duty
Cole Parmer 4166A PUMPCole Parmer variable speed I/P hazardous duty pump drive with 7518-60 head 90-day warranty The Cole Parmer variable speed I/P hazardous duty pump...
View full detailsCole Parmer Masterflex 7524-10
Cole Parmer 4167CC PUMPCole Parmer 7524-10 economy pump drive Max flow rate: 3400mL/min Minimum flow rate: 0.6mL/min Digital variable speed control 90-day warran...
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 detailsCopley HCP5 High capacity pump
Copley 4119 PUMPCopley HCP5 Vacuum Pump The Copley HCP5 Vacuum Pump is specifically designed for pharmaceutical inhaler testing. With its sonic flow capability, it...
View full detailsEssen 4354 Pipeline Dispenser
Essen Instruments 1945 DISPENSEREssen Instruments 4354 Pipeline Dispenser The Essen Instruments 4354 Pipeline Dispenser (in conjunction with the Peripette consumable; not included...
View full detailsFisher 13-876-2 peristaltic
Fisher 4147B PUMPFisher 138762 Variable Speed Peristaltic Pump Flow rate: 0.4 to 85 mL/min Bi-directional flow 90-day warranty The Fisher 138762 Variable Speed ...
View full detailsFMI QG 150 Pump
Fluid Metering 4153W PUMPFluid Metering Inc. QG 150 Pump Low speed, low flow pump Speed range: 3.75mL/min to 192mL/min 90-day warranty Ceramic and fluorocarbon standard w...
View full detailsFMI QSY Metering PD-60-LF
Fluid Metering, 4153Y PUMPFluid Metering, Inc. (FMI) QSY pump 3/8" piston PD-60LF pulse dampener 90-day warranty This pump is used and reconditioned. Our technicians test ...
View full detailsFMI QSY Metering Pump
Fluid Metering 4153Z PUMPFluid Metering Inc., QSY low flow ceramic pump with ceramic drive 92 ml/min @ 25 psig 90-day warranty This metering pump is used and reconditione...
View full detailsGenomic Solutions Hummingbird
Genomic Solutions 1950A DISPENSEGenomic Solutions Hummingbird XL-384 Dispenser The Genomic Solutions Hummingbird XL-384 Dispenser uses a non-contact dispense technology to quickly...
View full detailsGreylor LGP lab gear pump
AO 4192A PUMPGreylor LGP Laboratory Gear Pump 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm that it opera...
View full detailsHamilton Microlab 1000 dilutor
Hamilton 1923 DILUTORHamilton Microlab 1000 Diluter/Dispenser The Hamilton Microlab 1000 Diluter/Dispenser offers versatile functionality with a broad volume range of 1...
View full detailsHamilton Microlab M pipette
Hamilton 1921 DILUTORHamilton Microlab M Pipette The Hamilton Microlab M Pipette is used and reconditioned. Specifications 90-day warranty Testing Our technicians tes...
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...
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