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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 $1,250.00 - 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 $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 TheĀ 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 pumpĀ  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 TheĀ Cole-Parmer 7543-60Ā is aĀ 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 TheĀ Masterflex 7550-90Ā 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 $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
Original price $375.00 - Original price $375.00
Original price
$375.00
$375.00 - $375.00
Current price $375.00

Millipore XX80-000-00 pump

Millipore
Low stock

Millipore xx80 000-00 variable pump with head 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm ...

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Original price $375.00 - Original price $375.00
Original price
$375.00
$375.00 - $375.00
Current price $375.00
Original price $225.00 - Original price $225.00
Original price
$225.00
$225.00 - $225.00
Current price $225.00

Millipore XX80-200-00

Millipore
Low stock

Millipore XX80-200-00 peristaltic pump 80-100 ml/minute 90-day warranty This Millipore XX80-200-00 peristaltic pump is used and reconditioned. Ou...

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Original price $225.00 - Original price $225.00
Original price
$225.00
$225.00 - $225.00
Current price $225.00
Original price $295.00 - Original price $295.00
Original price
$295.00
$295.00 - $295.00
Current price $295.00

Millipore XX8020E pump

Millipore
Low stock

Millipore xx8020E fixed pump with head 90-day warranty This pump is used and reconditioned. Our technicians test all equipment to confirm that it...

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Original price $295.00 - Original price $295.00
Original price
$295.00
$295.00 - $295.00
Current price $295.00
Original price $425.00 - Original price $425.00
Original price
$425.00
$425.00 - $425.00
Current price $425.00

Millipore XX81N000 peristaltic

Millipore
Low stock

Millipore Model XX81N000 peristaltic pump with head 90-day warranty This Millipore XX81N000 peristaltic pump is used and reconditioned. Our techn...

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

Robbins AP Wash Module Pump

Robbins
Low stock

Robbins AP Wash module peristaltic pump, dual heads 90-day warranty Most of our equipment is used and reconditioned. Our technicians test all eq...

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

Spectra/Chrom MP-2 peristaltic

Spectrum/Chrom
Low stock

Spectrum/Spectra/Chrom Model MP-2 peristaltic pump 600 rpm 90-day warranty This peristaltic pump is used and reconditioned. Our technicians test ...

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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 $1,025.00 - Original price $1,025.00
Original price
$1,025.00
$1,025.00 - $1,025.00
Current price $1,025.00

Thermo Fisher 850-3002 pump

Thermo
Low stock

Thermo/Cole Parmer 850-3002 peristaltic pump Model 850-3002 Includes 77201-62 EZ Load pump head Speed range: 10rpm to 600rpm 90-day warranty ...

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Original price $1,025.00 - Original price $1,025.00
Original price
$1,025.00
$1,025.00 - $1,025.00
Current price $1,025.00
Original price $275.00 - Original price $275.00
Original price
$275.00
$275.00 - $275.00
Current price $275.00

Watson Marlow 101 F/R pump

Watson Marlow
Low stock

Watson Marlow 101F/R fixed speed peristaltic pump with head 24 RPM 90-day warranty The 100 series is Watson-Marlow's low-flow single-channel rang...

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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 $450.00 - Original price $450.00
Original price
$450.00
$450.00 - $450.00
Current price $450.00

Watson Marlow 302 peristaltic

Watson Marlow
Low stock

Watson Marlow Model 302 Peristaltic Pump 90-day warranty Most of our equipment is used and reconditioned. Our technicians test all equipment to ...

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Original price $450.00 - Original price $450.00
Original price
$450.00
$450.00 - $450.00
Current price $450.00
Original price $495.00 - Original price $495.00
Original price
$495.00
$495.00 - $495.00
Current price $495.00

Watson Marlow 313f Peristallti

Watson Marlow
Low stock

Watson Marlow Model 313f Peristaltic Pump 90-day warranty Most of our equipment is used and reconditioned. Our technicians test all equipmen...

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Original price $495.00 - Original price $495.00
Original price
$495.00
$495.00 - $495.00
Current price $495.00
Original price $940.00 - Original price $940.00
Original price
$940.00
$940.00 - $940.00
Current price $940.00

Watson Marlow 501U peristaltic

Watson Marlow
Low stock

Watson Marlow 501U pump with 501 RL head Maximum speed: 200 rpm 90-day warranty This pump is used and reconditioned. Our technicians test all equ...

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Original price $940.00 - Original price $940.00
Original price
$940.00
$940.00 - $940.00
Current price $940.00
Original price $575.00 - Original price $575.00
Original price
$575.00
$575.00 - $575.00
Current price $575.00

Watson Marlow 502S peristaltic

Watson Marlow
Low stock

Watson Marlow 502S peristaltic pump with 501RL pump head Speed: up to 170 rpm Maximum flow rate: 1.8 L/ min 90-day warranty The self-priming per...

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

Watson Marlow 503S peristaltic

Watson Marlow
In stock

Watson Marlow 503S peristaltic pump with standard variable speed drive Digital speed setting Reversing switch Flow rate .3 micro liter/min to 1700...

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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 $1,375.00 - Original price $1,375.00
Original price
$1,375.00
$1,375.00 - $1,375.00
Current price $1,375.00

Watson Marlow 505U peristaltic

Watson Marlow
Low stock

Watson Marlow 505U microprocessor control peristaltic pump with 501 RL head 220 RPM maximum speed 90-day warranty This pump is used and reconditi...

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Original price $1,375.00 - Original price $1,375.00
Original price
$1,375.00
$1,375.00 - $1,375.00
Current price $1,375.00