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LAB EQUIPMENT REPAIRS, INCLUDING ULTRALOW FREEZERS, FRIDGES, CENTRIFUGES AND MORE - Click here for details
LAB EQUIPMENT REPAIRS, INCLUDING ULTRALOW FREEZERS, FRIDGES, CENTRIFUGES AND MORE - Click here for details
Pumps/Dispensers

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.

Original price $140.00 - Original price $140.00
Original price
$140.00
$140.00 - $140.00
Current price $140.00

Cole Parmer 07019-21 pump head

Cole Parmer
In stock

Cole 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...

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Original price $140.00 - Original price $140.00
Original price
$140.00
$140.00 - $140.00
Current price $140.00
Original price $0.00 - Original price $0.00
Original price
$0.00
$0.00 - $0.00
Current price $0.00

Cole Parmer 7019-56 pump head

Cole Parmer
Low stock

Cole Parmer 7019-56 polypropylene sulfide high-capacity pump head 90-day warranty This pump head is used and reconditioned. Our technicians test ...

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Original price $0.00 - Original price $0.00
Original price
$0.00
$0.00 - $0.00
Current price $0.00
Original price $625.00 - Original price $625.00
Original price
$625.00
$625.00 - $625.00
Current price $625.00

Cole Parmer 74900 syringe

Cole Parmer
Low stock

Cole Parmer model 74900 syringe pump Single syringe infusion pump Reproducibility: +/- 0.1% Syringe size accepted: 10ul to 60mL 90 day warranty T...

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Original price $625.00 - Original price $625.00
Original price
$625.00
$625.00 - $625.00
Current price $625.00
Original price $200.00 - Original price $200.00
Original price
$200.00
$200.00 - $200.00
Current price $200.00

Cole Parmer 7518-12 pump head

Cole Parmer
In stock

Cole 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  ...

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Original price $200.00 - Original price $200.00
Original price
$200.00
$200.00 - $200.00
Current price $200.00
Original price $700.00 - Original price $700.00
Original price
$700.00
$700.00 - $700.00
Current price $700.00

Cole Parmer 77490 peristaltic

Cole Parmer
Low stock

Cole 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...

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Original price $700.00 - Original price $700.00
Original price
$700.00
$700.00 - $700.00
Current price $700.00
Original price $700.00 - Original price $700.00
Original price
$700.00
$700.00 - $700.00
Current price $700.00

Cole Parmer 77490 peristaltic

Cole Parmer
Low stock

Cole Parmer 77490 High-capacity Single Speed Peristaltic Pump 100 rpm, 1/2 gpm 90-day warranty This pump is used and reconditioned. Our technicia...

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Original price $700.00 - Original price $700.00
Original price
$700.00
$700.00 - $700.00
Current price $700.00
Original price $950.00 - Original price $950.00
Original price
$950.00
$950.00 - $950.00
Current price $950.00

Cole Parmer I/P hazardous duty

Cole Parmer
Low stock

Cole 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...

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Original price $950.00 - Original price $950.00
Original price
$950.00
$950.00 - $950.00
Current price $950.00
Original price $475.00 - Original price $475.00
Original price
$475.00
$475.00 - $475.00
Current price $475.00

Cole Parmer Masterflex 7524-10

Cole Parmer
Low stock

Cole Parmer 7524-10 economy pump drive Max flow rate: 3400mL/min Minimum flow rate: 0.6mL/min Digital variable speed control 90-day warran...

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Original price $475.00 - Original price $475.00
Original price
$475.00
$475.00 - $475.00
Current price $475.00
Original price $675.00 - Original price $675.00
Original price
$675.00
$675.00 - $675.00
Current price $675.00

Cole Parmer Syringe Pump

Cole Parmer
Low stock

Cole Parmer Syringe Pump Comparable to KD Scientific model 100 Single syringe infusion pump Holds syringes from 10ul to 60ml 90-day warrant...

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Original price $675.00 - Original price $675.00
Original price
$675.00
$675.00 - $675.00
Current price $675.00
Original price $1,550.00 - Original price $1,550.00
Original price
$1,550.00
$1,550.00 - $1,550.00
Current price $1,550.00

Copley HCP5 High capacity pump

Copley
Low stock

Copley HCP5 Vacuum Pump The Copley HCP5 Vacuum Pump is specifically designed for pharmaceutical inhaler testing. With its sonic flow capability, it...

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Original price $1,550.00 - Original price $1,550.00
Original price
$1,550.00
$1,550.00 - $1,550.00
Current price $1,550.00
Original price $3,100.00 - Original price $3,100.00
Original price
$3,100.00
$3,100.00 - $3,100.00
Current price $3,100.00

Essen 4354 Pipeline Dispenser

Essen Instruments
Low stock

Essen Instruments 4354 Pipeline Dispenser The Essen Instruments 4354 Pipeline Dispenser (in conjunction with the Peripette consumable; not included...

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Original price $3,100.00 - Original price $3,100.00
Original price
$3,100.00
$3,100.00 - $3,100.00
Current price $3,100.00
Original price $90.00 - Original price $90.00
Original price
$90.00
$90.00 - $90.00
Current price $90.00

Fisher 13-876-2 peristaltic

Fisher
Low stock

Fisher 138762 Variable Speed Peristaltic Pump Flow rate: 0.4 to 85 mL/min Bi-directional flow 90-day warranty The Fisher 138762 Variable Speed ...

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Original price $90.00 - Original price $90.00
Original price
$90.00
$90.00 - $90.00
Current price $90.00
Original price $425.00 - Original price $425.00
Original price
$425.00
$425.00 - $425.00
Current price $425.00

FMI QG 150 Pump

Fluid Metering
Low stock

Fluid 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...

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Original price $425.00 - Original price $425.00
Original price
$425.00
$425.00 - $425.00
Current price $425.00
Original price $585.00 - Original price $585.00
Original price
$585.00
$585.00 - $585.00
Current price $585.00

FMI QSY Metering PD-60-LF

Fluid Metering,
Low stock

Fluid Metering, Inc. (FMI) QSY pump 3/8" piston PD-60LF pulse dampener 90-day warranty This pump is used and reconditioned. Our technicians test ...

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Original price $585.00 - Original price $585.00
Original price
$585.00
$585.00 - $585.00
Current price $585.00
Original price $475.00 - Original price $475.00
Original price
$475.00
$475.00 - $475.00
Current price $475.00

FMI QSY Metering Pump

Fluid Metering
Low stock

Fluid 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...

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Original price $475.00 - Original price $475.00
Original price
$475.00
$475.00 - $475.00
Current price $475.00
Original price $0.00 - Original price $0.00
Original price
$0.00
$0.00 - $0.00
Current price $0.00

Genomic Solutions Hummingbird

Genomic Solutions
Low stock

Genomic Solutions Hummingbird XL-384 Dispenser The Genomic Solutions Hummingbird XL-384 Dispenser uses a non-contact dispense technology to quickly...

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Original price $0.00 - Original price $0.00
Original price
$0.00
$0.00 - $0.00
Current price $0.00
Original price $35.00 - Original price $35.00
Original price
$35.00
$35.00 - $35.00
Current price $35.00

Greylor LGP lab gear pump

AO
Low stock

Greylor LGP Laboratory Gear Pump 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm that it opera...

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Original price $35.00 - Original price $35.00
Original price
$35.00
$35.00 - $35.00
Current price $35.00
Original price $1,950.00 - Original price $1,950.00
Original price
$1,950.00
$1,950.00 - $1,950.00
Current price $1,950.00

Hamilton Microlab 1000 dilutor

Hamilton
Low stock

Hamilton Microlab 1000 Diluter/Dispenser The Hamilton Microlab 1000 Diluter/Dispenser offers versatile functionality with a broad volume range of 1...

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Original price $1,950.00 - Original price $1,950.00
Original price
$1,950.00
$1,950.00 - $1,950.00
Current price $1,950.00
Original price $1,250.00 - Original price $1,250.00
Original price
$1,250.00
$1,250.00 - $1,250.00
Current price $1,250.00

Hamilton Microlab M pipette

Hamilton
Low stock

Hamilton Microlab M Pipette The Hamilton Microlab M Pipette is used and reconditioned. Specifications 90-day warranty Testing Our technicians tes...

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Original price $1,250.00 - Original price $1,250.00
Original price
$1,250.00
$1,250.00 - $1,250.00
Current price $1,250.00
Original price $0.00 - Original price $0.00
Original price $0.00
$800.00
$800.00 - $800.00
Current price $800.00

Harvard 22 syringe infusion

Harvard Apparatus
Low stock

Harvard 22 infusion syringe pump Harvard Pump 22, model 55-2222 Infusion pump with standard 2-syringe rack 90-day warranty This is quite literall...

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Original price $0.00 - Original price $0.00
Original price $0.00
$800.00
$800.00 - $800.00
Current price $800.00
Original price $500.00 - Original price $500.00
Original price
$500.00
$500.00 - $500.00
Current price $500.00

Harvard 22 syringe pump

Harvard Apparatus
Low stock

Harvard 22 Basic multiple syringe pump with microprocessor control Standard 2-syringe rack Accuracy of +/- 0.35% 90-day warranty This is quite ...

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Original price $500.00 - Original price $500.00
Original price
$500.00
$500.00 - $500.00
Current price $500.00
Original price $750.00 - Original price $750.00
Original price
$750.00
$750.00 - $750.00
Current price $750.00

Harvard Apparatus 11 syringe

Harvard Apparatus
Low stock

Harvard Apparatus model 11 syringe pump Harvard Apparatus model 11 55-1111 Accepts two syringes from 0.5ul to 10ml Single syringe infusion/withdra...

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Original price $750.00 - Original price $750.00
Original price
$750.00
$750.00 - $750.00
Current price $750.00
Original price $1,350.00 - Original price $1,350.00
Original price
$1,350.00
$1,350.00 - $1,350.00
Current price $1,350.00

Harvard Apparatus 44, syringe

Harvard Apparatus
Low stock

Harvard Apparatus 44 programmable syringe pump Harvard Apparatus model 44 Single syringe infusion/withdrawal Power cord and manual included 90 day...

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Original price $1,350.00 - Original price $1,350.00
Original price
$1,350.00
$1,350.00 - $1,350.00
Current price $1,350.00
Original price $675.00 - Original price $675.00
Original price
$675.00
$675.00 - $675.00
Current price $675.00

Harvard Apparatus Multisyringe

Harvard Apparatus
Low stock

Harvard 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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Original price $675.00 - Original price $675.00
Original price
$675.00
$675.00 - $675.00
Current price $675.00