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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 $1,200.00 - Original price $1,200.00
Original price
$1,200.00
$1,200.00 - $1,200.00
Current price $1,200.00

Harvard Nanocool Injector

Harvard Apparatus
Low stock

Harvard 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...

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Original price $1,200.00 - Original price $1,200.00
Original price
$1,200.00
$1,200.00 - $1,200.00
Current price $1,200.00
Original price $3,650.00 - Original price $3,650.00
Original price
$3,650.00
$3,650.00 - $3,650.00
Current price $3,650.00

Harvard PHD ULTRA

Harvard Apparatus
Low stock

Harvard Apparatus PHD ULTRA Syringe Pump The Harvard Apparatus PHD ULTRA Syringe Pump is the solution for your most demanding fluidics applications...

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Original price $3,650.00 - Original price $3,650.00
Original price
$3,650.00
$3,650.00 - $3,650.00
Current price $3,650.00
Original price $900.00 - Original price $900.00
Original price
$900.00
$900.00 - $900.00
Current price $900.00

Heraeus CD 70 peristaltic pump

Heraeus
Low stock

Heraeus CD70 Pericor Peristaltic Pump The microprocessor controlled Heraeus CD70 Pericor Peristaltic Pump is used and reconditioned. Heraeus CD70 -...

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Original price $900.00 - Original price $900.00
Original price
$900.00
$900.00 - $900.00
Current price $900.00
Original price $380.00 - Original price $380.00
Original price
$380.00
$380.00 - $380.00
Current price $380.00

HP 89052A peristaltic pump

HP
Low stock

HP 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...

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Original price $380.00 - Original price $380.00
Original price
$380.00
$380.00 - $380.00
Current price $380.00
Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00

Hydro Picosystem Plus Pump 17012

Pico System
Low stock

Hydro Picosystem Plus Pump Model 17012 Multi-Purpose Freshwater Pump The Hydro Picosystem Plus Pump Model 17012 is a versatile freshwater pump from...

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Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00
Original price $4,000.00 - Original price $4,000.00
Original price
$4,000.00
$4,000.00 - $4,000.00
Current price $4,000.00

Innovadyne Tech Nanodrop II

Innovadyne
Low stock

Innovadyne Technologies Nanodrop II  The Innovadyne Technologies Nanodrop II delivers high-precision, non-contact dispensing for a wide variety of ...

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Original price $4,000.00 - Original price $4,000.00
Original price
$4,000.00
$4,000.00 - $4,000.00
Current price $4,000.00
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

Ismatec 7611 peristaltic pump

Cole Parmer
Low stock

Ismatec (Cole Parmer) Model 7611 pump 5-channel head Flow rate: .003 - 425 mL 90-day warranty This pump is used and reconditioned. Our technician...

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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
$0.00 - $0.00
Current price $0.00

Ismatec Flowmaster FMT300 pump

Ismatec
Low stock

Ismatec Flowmaster Model FMT300 The Ismatec Flowmaster Model FMT300 pump is ideal for transferring fluids in biotechnology, pharmaceutical, food, a...

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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 $1,500.00 - Original price $1,500.00
Original price
$1,500.00
$1,500.00 - $1,500.00
Current price $1,500.00

KD Scientific 220 syringe pump

KD Scientific
Low stock

D 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...

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Original price $1,500.00 - Original price $1,500.00
Original price
$1,500.00
$1,500.00 - $1,500.00
Current price $1,500.00
Original price $950.00 - Original price $950.00
Original price
$950.00
$950.00 - $950.00
Current price $950.00

KD200 syringe infusion pump

KD Scientific
Low stock

KD Scientific KD200 Syringe Pump Double (two) syringe infusion pump Holds syringes from 10ul to 140ml 90 day warranty There are reasons...

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

LabSystems Multi Drop

labsystems
Low stock

Labsystems Multidrop DW Type 833 The Labsystems Multidrop DW Type 833 is an automated dispenser built for fast, precise microvolume dispensing into...

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

LMI A101-95T metering pump

Liquid Metronics
Low stock

Liquid Metronics A101-95T Metering Pump The Liquid Metronics A101-95T Metering Pump is used and reconditioned. It has a variable speed and stroke t...

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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 $350.00 - Original price $350.00
Original price
$350.00
$350.00 - $350.00
Current price $350.00

Manostat Cassette Jr pump

Manostat
Low stock

Manostat Cassette Jr 2-cassette capacity 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm that ...

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Original price $350.00 - Original price $350.00
Original price
$350.00
$350.00 - $350.00
Current price $350.00
Original price $550.00 - Original price $550.00
Original price
$550.00
$550.00 - $550.00
Current price $550.00

Manostat Multi channel pump

Manostat
Low stock

Manostat Multi Channel 10-cassette capacity 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm th...

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Original price $550.00 - Original price $550.00
Original price
$550.00
$550.00 - $550.00
Current price $550.00
Original price $575.00 - Original price $575.00
Original price
$575.00
$575.00 - $575.00
Current price $575.00

Master Flex 7520-40

Cole Parmer
Low stock

Cole 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...

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Original price $575.00 - Original price $575.00
Original price
$575.00
$575.00 - $575.00
Current price $575.00
Original price $400.00 - Original price $400.00
Original price
$400.00
$400.00 - $400.00
Current price $400.00

Master Flex 7520-40 pump drive

Cole Parmer
Low stock

Cole 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...

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Original price $400.00 - Original price $400.00
Original price
$400.00
$400.00 - $400.00
Current price $400.00
Original price $300.00 - Original price $300.00
Original price
$300.00
$300.00 - $300.00
Current price $300.00

Masterflex 7520-00

Cole Parmer
Low stock

Cole Parmer 7520-00 Peristaltic Pump The Cole Parmer 7520-00 Peristaltic Pump simple analog controls that allow users to easily integrate these dri...

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Original price $300.00 - Original price $300.00
Original price
$300.00
$300.00 - $300.00
Current price $300.00
Original price $135.00 - Original price $135.00
Original price
$135.00
$135.00 - $135.00
Current price $135.00

Masterflex 7543-60 pump drive

Cole Parmer
Low stock

Cole 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’...

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Original price $135.00 - Original price $135.00
Original price
$135.00
$135.00 - $135.00
Current price $135.00
Original price $890.00 - Original price $890.00
Original price
$890.00
$890.00 - $890.00
Current price $890.00

Masterflex 7550-90 pump

Cole Parmer
Low stock

Masterflex 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...

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Original price $890.00 - Original price $890.00
Original price
$890.00
$890.00 - $890.00
Current price $890.00
Original price $275.00 - Original price $275.00
Original price
$275.00
$275.00 - $275.00
Current price $275.00

Masterflex 7553-30 pump drive

Masterflex
Low stock

Masterflex 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...

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Original price $275.00 - Original price $275.00
Original price
$275.00
$275.00 - $275.00
Current price $275.00
Original price $350.00 - Original price $350.00
Original price
$350.00
$350.00 - $350.00
Current price $350.00

Masterflex 7554-80 pump drive

Cole Parmer
Low stock

Cole 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...

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Original price $350.00 - Original price $350.00
Original price
$350.00
$350.00 - $350.00
Current price $350.00
Original price $140.00 - Original price $140.00
Original price
$140.00
$140.00 - $140.00
Current price $140.00

Masterflex 77000-00 pump drive

Cole Parmer
Low stock

Cole 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...

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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 $170.00 - Original price $170.00
Original price
$170.00
$170.00 - $170.00
Current price $170.00

Masterflex 77120CL pump

Cole Parmer
Low stock

Cole 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...

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Original price $170.00 - Original price $170.00
Original price
$170.00
$170.00 - $170.00
Current price $170.00
Original price $300.00 - Original price $300.00
Original price
$300.00
$300.00 - $300.00
Current price $300.00

Masterflex7550-60 pump drive

Cole Parmer
Low stock

Cole 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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Original price $300.00 - Original price $300.00
Original price
$300.00
$300.00 - $300.00
Current price $300.00