Skip to content
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

Beckman Avanti J-20XP high capacity centrifuge

Fully Tested & Warrantied*
Brand : Beckman
Product Code : SKU 1273N CENTRI
Title: $11500.00

Shipping

All products ship from our 30,000 sq. ft. Haverhill, MA warehouse

Beckman Coulter Avanti J-20XP Refrigerated Floor Model Centrifuge

The Beckman Coulter Avanti J-20XP Refrigerated Centrifuge is a high-performance floor model centrifuge designed for biotechnology facilities, pharmaceutical laboratories, academic research institutions, core laboratory facilities, cell culture laboratories, genomics programs, and bioprocessing applications. The Avanti J-20XP combines powerful refrigerated centrifugation, broad rotor compatibility, and high-throughput sample processing, making it an excellent choice for laboratories requiring flexibility across a wide range of research and production workflows.

Laboratories evaluating floor model refrigerated centrifuges often compare rotor compatibility, maximum RPM and RCF capability, refrigeration performance, throughput, serviceability, and workflow flexibility when selecting a centrifuge system. The Beckman Avanti J-20XP is engineered to support demanding laboratory applications ranging from routine sample preparation to large-scale cell harvesting and protein purification workflows.

At American Instrument Exchange, our technicians inspect and test each centrifuge to verify proper refrigeration performance, motor operation, braking systems, lid lock functionality, rotor operation, and controller performance prior to shipment. American Instrument Exchange offers used and refurbished laboratory centrifuges for sale, including refrigerated centrifuges, floor model centrifuges, benchtop centrifuges, microcentrifuges, and large-capacity bioprocessing centrifuge systems from leading manufacturers including Beckman Coulter, Thermo Scientific, Eppendorf, and more.


Features of the Beckman Coulter Avanti J-20XP

  • Refurbished refrigerated floor model centrifuge
  • Maximum speed up to 20,000 RPM depending on rotor configuration
  • Maximum centrifugal force up to approximately 48,000 x g depending on rotor configuration
  • Active refrigeration system
  • Broad Beckman J-series rotor compatibility
  • Suitable for cell harvesting, protein purification, and bioprocessing workflows
  • High-capacity sample processing platform
  • Digital control interface
  • Designed for research and production laboratory environments
  • Floor model design for high-throughput applications
  • 90-day warranty included from American Instrument Exchange
  • Refurbished and tested by American Instrument Exchange

The Beckman Avanti J-20XP provides laboratories with a powerful and versatile centrifugation platform capable of supporting both routine research workflows and larger-scale processing applications.


Overview of the Beckman Coulter Avanti J-20XP Refrigerated Centrifuge

The Beckman Coulter Avanti J-20XP is a refrigerated floor model centrifuge optimized for cell culture harvesting, biotechnology workflows, pharmaceutical development, protein purification, blood component preparation, fermentation processing, and general laboratory centrifugation procedures. The Avanti platform is well known for its reliability, rotor flexibility, and ability to support a wide variety of sample formats.

Unlike benchtop centrifuges that are often limited by capacity and rotor size, the J-20XP is designed to accommodate larger sample volumes and more demanding workflows. Its refrigerated chamber helps maintain sample integrity throughout centrifugation, making it especially useful for temperature-sensitive biological materials.

The combination of refrigeration, throughput, and rotor flexibility makes the Avanti J-20XP particularly valuable in biotechnology companies, pharmaceutical laboratories, university research facilities, contract research organizations, and core laboratory environments.

Browse additional used and refurbished centrifuges for sale from American Instrument Exchange.


Common Applications and Refrigerated vs. Non-Refrigerated Operation

The Beckman Avanti J-20XP is commonly used for cell harvesting, protein purification, plasmid preparation, bacterial culture processing, fermentation workflows, blood component separation, vaccine development, biotechnology sample preparation, pharmaceutical research, and general laboratory centrifugation procedures. As a refrigerated centrifuge, the J-20XP helps protect temperature-sensitive samples during processing, making it particularly valuable for proteins, enzymes, biologics, and cell culture applications.

Compared with non-refrigerated centrifuges, the Avanti J-20XP provides greater protection for sensitive samples while maintaining the high throughput required for research and production environments.


Rotor Compatibility and Included Accessories

Rotor compatibility is one of the most important considerations when purchasing a floor model centrifuge. The Beckman Avanti J-20XP is designed to support a wide range of Beckman J-series fixed-angle and swinging bucket rotors.

Depending on configuration, the Avanti J-20XP may support:

  • Fixed-angle rotors
  • Swinging bucket rotors
  • High-capacity bottle rotors
  • Cell harvesting applications
  • Protein purification workflows
  • Blood processing applications
  • Biotechnology sample preparation
  • Fermentation and bioprocessing workflows

The Avanti J-20XP platform allows laboratories to configure the centrifuge for a broad range of applications and sample formats.

Customers should verify included rotors prior to purchase, as centrifuge configurations can vary between systems.


Specifications for the Beckman Coulter Avanti J-20XP

Specification

Details

Manufacturer

Beckman Coulter

Model

Avanti J-20XP

Condition

Refurbished

Centrifuge Type

Refrigerated Floor Model Centrifuge

Maximum Speed

Up to 20,000 RPM

Maximum RCF

Up to Approximately 48,000 x g

Refrigerated

Yes

Rotor Compatibility

Beckman J-Series Rotors

Installation Type

Floor Model

Electrical Requirements

Verify with American Instrument Exchange

Included Rotor

Verify with American Instrument Exchange


Specifications compiled from Beckman Coulter manufacturer literature, technical documentation, and American Instrument Exchange product information.


Power Requirements and Shipping Considerations

The Beckman Coulter Avanti J-20XP is a floor model refrigerated centrifuge and should be planned for as a freight-shipped laboratory instrument. Laboratories should verify electrical requirements, available floor space, ventilation clearance, doorway access, loading dock requirements, and final installation location before purchase.

Because the Avanti J-20XP contains refrigeration components, precision electronics, and a high-performance drive system, it typically ships via palletized freight carrier. American Instrument Exchange can assist customers with freight coordination, packaging preparation, and installation planning.


Refurbished Centrifuges from American Instrument Exchange

American Instrument Exchange specializes in refurbished laboratory centrifuges including refrigerated centrifuges, floor model centrifuges, benchtop centrifuges, blood banking centrifuges, microcentrifuges, and bioprocessing centrifuge systems.

Our technicians inspect and test centrifuges for:

  • Refrigeration performance
  • Rotor operation
  • Brake functionality
  • Controller operation
  • Lid lock safety systems
  • General operational reliability

If the centrifuge is sold with a rotor, we also test the rotor and centrifuge combination together to verify compatibility and operational performance.

Browse additional used and refurbished centrifuges, laboratory freezers and ultralow freezers, laboratory incubators, and biosafety cabinets from American Instrument Exchange.


Service and Support for Laboratory Centrifuges

American Instrument Exchange and AIE Laboratory Services provide centrifuge repair, preventive maintenance, diagnostics, and laboratory equipment service for many Beckman Coulter centrifuge models.

Available services may include:

  • Refrigeration system service
  • Centrifuge diagnostics
  • Rotor inspection
  • Preventive maintenance
  • Controller troubleshooting
  • Motor service
  • Calibration support
  • General laboratory equipment repair

In addition to centrifuges, we also service laboratory freezers, ultralow freezers, biosafety cabinets, incubators, refrigerators, cryostats, freeze dryers, and other laboratory equipment.


Beckman Coulter Avanti J-20XP Refrigerated Floor Model Centrifuge Frequently Asked Questions

What types of rotors can be used with the Avanti J-20XP?

The Avanti J-20XP supports a wide range of Beckman J-series fixed-angle and swinging bucket rotors, allowing laboratories to configure the system for many different applications.

What is the maximum speed of the Beckman Avanti J-20XP?

Depending on the installed rotor, the Avanti J-20XP can achieve speeds up to 20,000 RPM.

Is the Avanti J-20XP suitable for cell harvesting?

Yes. The Avanti J-20XP is commonly used for mammalian cell harvesting, bacterial culture processing, fermentation workflows, and other biotechnology applications.

Can this centrifuge be used for protein purification workflows?

Yes. The combination of refrigeration and high centrifugal force makes the J-20XP well suited for protein purification, enzyme isolation, and other biologics-related workflows.

Why is the Avanti platform popular in biotechnology laboratories?

The Avanti series is known for its reliability, rotor flexibility, refrigeration performance, and ability to support both research-scale and pilot-scale processing applications.

Does this Avanti J-20XP include a rotor?

Customers should verify the included rotor configuration with American Instrument Exchange prior to purchase, as centrifuge configurations can vary between systems.

Is the J-20XP appropriate for university core facilities?

Yes. Its broad rotor compatibility and flexible performance make it a popular choice for shared research environments and core laboratory facilities.

Can American Instrument Exchange service Beckman Avanti centrifuges?

Yes. AIE Laboratory Services provides diagnostics, repair, preventive maintenance, and support for many Beckman Coulter centrifuge models, including the Avanti series.

Click here to see a video of the J-20XP on our YouTube channel.

Rotor Guide

Compatible rotors include the JA-30.50, JA-25.50, JA-25.15, JA-21, JA-20.1, JA-20, JA-18.1, JA-18, JA-17, JLA-16.250, JA-14, JA-12, JA-10, JLA-10.500 F10BCI-6X500y, JLA-9.1000, JLA-8.1000, JS-24.38, JS-24.15, JS-13.1, JS-7.5, JS-5.3, JS-4.3, JS-4.0, JCF-Z Continuous Flow, and JE-5.0 Elutriation rotor. Please call or email us for information on available rotor packages.

Testing Procedures for Used and Refurbished Laboratory Centrifuges

Ensure Quality, Accuracy, and Compliance Before Deployment

Used and refurbished laboratory centrifuges from American Instrument Exchange undergo testing procedures to ensure they meet the performance, safety, and compliance standards required in modern laboratories.

Why Testing Used Laboratory Centrifuges Is Essential

Before a centrifuge is reintroduced into a lab environment, it must be tested for:

  • Mechanical integrity
  • Rotor balance and speed accuracy
  • Safety system functionality
  • Electrical compliance

Proper testing helps extend equipment lifespan, reduce downtime, and ensure safety in high-stakes lab environments such as clinical diagnostics, biotechnology, and research applications.

Our structured testing protocol for used and refurbished centrifuges ensures equipment safety, accuracy, and longevity.

Key Testing Procedures for Refurbished and Used Centrifuges

1. Initial Visual Inspection

  • Check for signs of wear, corrosion, or damage to housing, lid, and control panels
  • Inspect power cords, plugs, and connectors for fraying or exposed wiring
  • Confirm that the rotor and accessories are compatible and undamaged

2. Functional Testing

  • Power up the centrifuge and confirm successful boot-up of digital or analog displays
  • Test lid lock and emergency stop mechanisms
  • Run initial cycles at various speeds to check for abnormal noise or vibration

3. Rotor and Speed Verification

  • Test all programmable speed settings to confirm consistent acceleration and deceleration
  • Monitor temperature, vibration, and RPM consistency throughout the cycle
  • Balance testing ensures smooth operation and prevents wear on internal components

4. Electrical Safety and Grounding Tests

  • Verify that all electrical components are properly grounded and shielded

5. Temperature Control (if applicable)

  • For refrigerated centrifuges, test cooling function to ensure temperature stability within set ranges
  • Check refrigerant levels and inspect for compressor noise or failure

6. Final Quality Assurance Checklist

  • Conduct a full run-through using the user interface
  • Document all test results

Repair and Refurbishment Protocol for Used Laboratory Centrifuges

Certified Quality from American Instrument Exchange

At American Instrument Exchange, we follow a meticulous repair and refurbishment protocol to ensure that every used laboratory centrifuge we sell. We strive for reliable performance and long-term durability—providing labs with exceptional value on high-quality pre-owned centrifuges.

Why Choose a Refurbished Centrifuge from American Instrument Exchange?

  • Fully tested
  • Backed by warranty and performance guarantee
  • Cost-effective alternative to new lab equipment
  • Environmentally responsible through equipment reuse
  • Supported by expert technicians with decades of experience

Step-by-Step Refurbishment Protocol

Every used centrifuge at American Instrument Exchange goes through the following comprehensive repair and refurbishment process:

1. Initial Intake & Inspection

  • Our technicians perform a complete visual and mechanical inspection
  • Evaluation of hinges, seals, gaskets, and electrical components
  • Any physical damage, missing parts, or wear is documented for repair

2. Cleaning and decontamination

  • Full internal and external cleaning using non-abrasive, disinfectant-safe products
  • Biological or chemical residue is decontaminated/cleaned

3. Mechanical & Electrical Repairs

  • Damaged or worn parts (e.g., drive motors, lid latches, rotor buckets) are replaced or repaired
  • Electrical components, sensors, and fuses are tested and replaced as needed
  • Wiring is inspected for integrity and safety per industry standards

4. Rotor & Accessory Evaluation

  • All rotors, buckets, and adapters are inspected for cracks, corrosion, and balance
  • Non-conforming components are replaced with OEM or equivalent alternatives

5. Performance Testing

  • Rotor speed (RPM), acceleration, and deceleration are verified
  • Refrigerated centrifuges undergo temperature stability testing across set ranges

6. Safety System Verification

  • Lid lock and interlock systems are tested for proper function
  • Emergency stop and imbalance detection systems are verified
  • Electrical safety and grounding tests are conducted

Trust the Experts at American Instrument Exchange

With over 50 years of experience in the industry, American Instrument Exchange is a trusted name for refurbished lab equipment. Our centrifuge refurbishment protocol reflects our commitment to quality, safety, and customer satisfaction.

Warranty Information

All used equipment sold by American Instrument Exchange is refurbished/reconditioned, tested to meet specifications, cleaned, and comes with a 90-day warranty from the date of shipment unless otherwise specified. New products include a warranty from the manufacturer. Your warranty is only valid if you have paid your invoice. If your invoice is over 30 days old, warranty work will not be performed until your invoice is paid in full.  American Instrument Exchange is not liable for any special or consequential damages that result from the use of, or the inability to use, the materials on this site or the performance of the products,

Exceptions include international sales and items that are agreed to be sold with a lesser warranty or items that are agreed to be sold “as is.”

Should there be visible shipping damage to packaging or concealed shipping damage to item(s) supplied, buyer must communicate such damage to the delivering entity or carrier upon receipt first and to American Instrument the same day item is accepted / signed for. Failure to do so voids warranty. Customer decision to involve / procure third party or OEM service other than American Instrument or AIE assigned vendors to resolve in-warranty instrument failure or defect without first placing a service call to American Instrument voids warranty.

Return & Cancellation Policy

American Instrument Exchange will authorize the return of and issue a full refund for any equipment that is not working as represented and could not be replaced or repaired to the customer’s satisfaction by AIE or a representative of AIE during the warranty period. Returns without prior authorization and an RMA number will not be accepted. 

Customers are responsible for proper packaging of the equipment and all included accessories. American Instrument will pay for insurance and shipping costs. Non-inventory items bought specifically to fill customer orders may possibly be returned, but on a case by case basis.

Customers who cancel orders after refurbishing has begun or after delivery where there are no equipment performance issues may be subject to a Restocking/Cancellation Fee of 20% or more and responsible for shipping costs for both the delivery and return.

Ongoing and Extended Support Options

American Instrument Exchange is able to provide additional repair and support services outside the warranty terms for most products that sell.

For biosafety cabinets, clean benches, chemical fume hoods, and other clean air products our team at AIE Laboratory Services can provide certifications, repairs, decontaminations, and other services for customers throughout New England, and guidance and limited technical assistance for any customers in the US and Canada for new or refurbished biosafety cabinets purchased from American Instrument Exchange.

For all other products, the repair service team at American Instrument Exchange can provide both field and depot repair evaluations. We can easily schedule and coordinate the pick-up and transportation of your malfunctioning equipment. By offering hourly rates lower than most OEM service providers and eliminating travel time for technicians, we help reduce repair costs. Furthermore, our lab depot repair service minimizes or eliminates scheduling delays. Our experienced service technicians are qualified to restore your equipment to factory specifications.

Please contact our team at info@americaninstrument.com for more details.

FAQ

Does the equipment come with a warranty?

Yes, all equipment from American Instrument Exchange comes with a warranty.
Used/reconditioned/refurbished equipment is tested to make sure it operates to the manufacturer's specifications and comes with a 90-day warranty (unless otherwise noted). New equipment comes with a warranty from the manufacturer.

How do you test and recondition the equipment?

Testing requirements vary across all the equipment categories we sell. Temperature controlled units are tested with NIST traceable probes and data loggers. Gaskets, external housing, glass, handles, controls and control screens are all thoroughly inspected for integrity and functionality.
We test all equipment using the manufacturer's parameters and specifications to confirm that the unit operates properly.

How do products ship from American Instrument Exchange?

We can ship products both nationally and internationally using a well-established network of transporters. Smaller items will ship via UPS. Larger equipment will be palletized and shipped either LTL or air-ride, depending on the specific equipment and/or delivery requirements.

Return and order cancellation policy

American Instrument Exchange will accept the return of any product that is not working as represented and could not be replaced or repaired to the customer's satisfaction during the warranty period. Customers who cancel orders after refurbishing has begun will be subject to a cancellation and restocking fee of between 20% and 40%.

Are discounts available for educational or non-profit institutions, or for bulk purchases?

Yes – call or email us today with a list of equipment you're looking for and we can potentially put together a quote that includes a discount.

How does your price matching policy work?

We strive to keep our pricing competitive and reasonable. If you find comparable items for sale at a lower price from other vendors please send us a link and or quote for the item and we'll do our best to match or beat the price.

Can I see the equipment in person before committing to a purchase?

Customers are welcome to make an appointment to view equipment in our warehouse. Given our workload we may not be able to test or clean the equipment prior to your arrival if you have not committed to an order.

1023 Western Avenue is a working warehouse, not a showroom, and customers should dress appropriately and wear closed toe shoes.

Can I ship products that I purchased elsewhere to American Instrument for repair?

Yes – please see our repair services page for more information.