Thermo Scientific Fiberlite F14-14x50cy Rotor

Thermo Scientific Fiberlite F14-14x50cy Fixed-Angle Rotor – 14 x 50 mL

The Thermo Scientific Fiberlite F14-14x50cy Rotor is a high-capacity, superspeed fixed-angle carbon fiber centrifuge rotor designed for laboratories processing multiple 50 mL samples at high relative centrifugal force. With capacity for 14 x 50 mL tubes, a total nominal capacity of 700 mL, and maximum performance of 14,000 rpm and 33,746 x g in the Sorvall LYNX 6000, the F14-14x50cy provides an excellent combination of sample count, volume, and centrifugal force for cell harvesting, lysate clarification, tissue homogenate processing, subcellular fractionation, protein preparation, and other demanding laboratory separations.

Unlike conventional aluminum rotors, the F14-14x50cy is constructed from a lightweight carbon fiber composite designed to resist corrosion and fatigue while reducing rotor weight. At approximately 17 lb. / 7.7 kg, it remains manageable for routine installation and removal despite accommodating fourteen 50 mL positions.

The F14-14x50cy also supports Thermo Scientific Auto-Lock rotor exchange and Auto-ID rotor identification when used with compatible Sorvall LYNX centrifuges, helping simplify rotor changes and reduce setup errors in busy multi-user laboratories.

This pre-owned Thermo Scientific Fiberlite F14-14x50cy rotor from American Instrument Exchange is inspected for physical condition and proper operation and includes a 90-day warranty.

Thermo Fiberlite F14-14x50cy Key Features

• High-capacity fixed-angle superspeed rotor

• 14 x 50 mL capacity

• 700 mL total nominal capacity

• Maximum 14,000 rpm in the Sorvall LYNX 6000

• Maximum 33,746 x g in the Sorvall LYNX 6000

• Maximum 13,000 rpm in the Sorvall LYNX 4000

• Maximum 29,097 x g in the Sorvall LYNX 4000

• 34° fixed-angle geometry

• Carbon fiber composite construction

• Excellent corrosion resistance

• Excellent fatigue resistance

• Lightweight compared with many conventional metal rotors

• Approximately 17 lb. / 7.7 kg rotor weight

• Maximum tube dimensions of approximately 29 x 115 mm

• K-factor of approximately 798 at maximum LYNX 6000 speed

• Supports compatible 50 mL conical tubes

• Adapter options for selected smaller-volume tubes

• Auto-Lock tool-free rotor exchange

• Auto-ID automatic rotor recognition

• Speed Handle rotor-lid design

• Biocontainment-certified rotor design

• Well suited for cell pelleting and clarification

• Inspected by American Instrument Exchange

• 90-day warranty included from American Instrument Exchange

Thermo Fiberlite F14-14x50cy Rotor Overview

The Thermo Scientific Fiberlite F14-14x50cy is designed for laboratories that need to process a relatively large number of 50 mL samples without sacrificing superspeed centrifugal force.

Its fourteen positions provide considerably greater sample count than many traditional 6-place or 8-place fixed-angle rotors. At the same time, its maximum force of more than 33,000 x g in the LYNX 6000 provides the performance needed for demanding biological and biochemical separations.

The F14-14x50cy therefore occupies an attractive middle ground within the LYNX rotor family.

Compared with the F20-12x50 LEX, it processes more 50 mL tubes per run but operates at lower maximum RCF.

Compared with the F14-6x250y, it processes smaller individual samples but doubles the number of rotor positions.

For laboratories working extensively with 50 mL tubes, this balance of 14-place capacity, high speed, and convenient tube format can significantly improve daily centrifugation throughput.

Thermo Fiberlite F14-14x50cy Key Specifications

Common Applications

The Thermo Fiberlite F14-14x50cy is well suited for cell harvesting, bacterial and yeast pelleting, tissue homogenate clarification, lysate processing, subcellular separations, protein and biomolecule preparation, nucleic acid workflows, precipitate collection, and other high-speed applications involving multiple 50 mL samples.

Its fourteen-place capacity is particularly attractive for laboratories processing numerous parallel samples or moving larger numbers of culture tubes through standardized protocols.

Ideal Laboratory Types

The F14-14x50cy is an excellent rotor for biotechnology companies, pharmaceutical research laboratories, molecular biology facilities, microbiology groups, protein purification laboratories, cell biology laboratories, university research facilities, contract research organizations, process-development groups, and industrial R&D laboratories operating compatible Sorvall LYNX centrifuges.

It is particularly useful for facilities that regularly process large batches of 50 mL samples and want higher throughput without moving to larger 250 mL bottles.

14 x 50 mL High-Capacity Processing

One of the strongest advantages of the F14-14x50cy is its fourteen-position capacity.

A typical 12-place 50 mL rotor provides 600 mL nominal capacity.

The F14-14x50cy increases that to 700 mL per run, allowing two additional samples to be processed during every centrifugation cycle.

For occasional centrifugation, that difference may seem modest.

In a high-throughput laboratory performing multiple runs every day, however, two additional tubes per cycle can meaningfully reduce total run count and improve overall sample-processing efficiency.

This makes the F14-14x50cy particularly attractive for repetitive workflows involving:

• Bacterial cultures

• Yeast cultures

• Cell suspensions

• Clarified lysates

• Protein samples

• Tissue homogenates

• Precipitated biomolecules

• Parallel experimental samples

LYNX 6000 Performance

The F14-14x50cy reaches its full performance in the Thermo Scientific Sorvall LYNX 6000 Superspeed Centrifuge.

In the LYNX 6000, maximum specifications include:

Maximum Speed: 14,000 rpm
Maximum RCF: 33,746 x g
Minimum RCF at Maximum Speed: 18,188 x g
K-Factor: 798

This provides substantial centrifugal force for cell harvesting, clarification, precipitation, and subcellular separation while allowing fourteen 50 mL samples to be processed simultaneously.

LYNX 4000 Performance

The F14-14x50cy is also compatible with the Thermo Scientific Sorvall LYNX 4000, but maximum operating speed is lower.

In the LYNX 4000:

Maximum Speed: 13,000 rpm
Maximum RCF: 29,097 x g

This is an important distinction when transferring protocols between the LYNX 4000 and LYNX 6000.

A procedure written around 14,000 rpm or 33,746 x g requires the LYNX 6000.

Laboratories using a LYNX 4000 should calculate protocols according to the rotor's lower 13,000 rpm / 29,097 x g operating limit.

34° Fixed-Angle Geometry

The F14-14x50cy uses a 34-degree fixed tube angle.

During operation, particles move outward through the sample and sediment against the outer wall and bottom of the tube.

Fixed-angle rotor geometry is particularly effective for pelleting applications because particles have a relatively short sedimentation path.

This makes the rotor well suited for:

• Cell harvesting

• Bacterial pelleting

• Yeast pelleting

• Precipitate recovery

• Clarification

• Subcellular fractionation

After centrifugation, supernatant can typically be decanted or aspirated while the pellet remains concentrated along the lower outer portion of the tube.

F14-14x50cy for Cell Harvesting

The rotor's combination of fourteen 50 mL positions and nearly 34,000 x g maximum force makes it particularly useful for cell-harvesting workflows.

Multiple bacterial, yeast, or compatible cultured-cell samples can be processed simultaneously.

For laboratories using repeated 50 mL culture tubes, processing fourteen vessels in each run can substantially improve throughput compared with lower-capacity rotors.

The available RCF also provides flexibility to adapt protocols for organisms or particles that require stronger pelleting force.

F14-14x50cy for Lysate Clarification

Following cell disruption, centrifugation is commonly used to remove insoluble cellular debris before downstream protein, nucleic acid, or biochemical processing.

The F14-14x50cy allows fourteen lysate samples to be clarified simultaneously.

This can be particularly useful for parallel protein-expression experiments, clone screening, molecular biology workflows, and other applications where many samples are processed using the same protocol.

The fixed-angle configuration promotes rapid sedimentation of dense material while leaving clarified supernatant available for downstream analysis.

F14-14x50cy for Tissue Homogenates

Tissue disruption frequently produces suspended cellular debris that must be separated from soluble material.

The F14-14x50cy's combination of high RCF and moderate sample volume makes it suitable for processing compatible tissue homogenates in 50 mL vessels.

Applications can include biomedical research, plant biology, pharmaceutical development, biochemical analysis, and other workflows requiring clarification before subsequent purification or analytical steps.

Carbon Fiber Composite Construction

The F14-14x50cy is manufactured from carbon fiber composite rather than conventional metal.

Carbon fiber provides an excellent strength-to-weight ratio while offering substantial resistance to corrosion and fatigue.

This is particularly valuable in centrifuge rotors because they undergo repeated acceleration, high-speed loading, and deceleration cycles throughout their service life.

Unlike aluminum rotors, carbon fiber does not experience traditional aluminum corrosion caused by moisture and many common laboratory environments.

Proper maintenance and inspection are still essential, but carbon fiber construction provides significant advantages for long-term rotor durability.

Lightweight Rotor Handling

Despite its fourteen-place capacity, the F14-14x50cy weighs only approximately 17 pounds / 7.7 kg.

This manageable weight makes the rotor easier to:

• Lift from the centrifuge

• Install on the drive

• Remove after a run

• Carry to a cleaning area

• Inspect

• Store

than many conventional large-capacity metallic rotors.

For facilities where operators frequently switch between LYNX rotors, reduced rotor weight can provide a meaningful ergonomic advantage.

Corrosion & Fatigue Resistance

Centrifuge rotors are subjected to extraordinary mechanical loads.

At thousands of revolutions per minute, even minor damage can become safety critical.

Carbon fiber composite construction provides excellent resistance to both corrosion and fatigue, helping address two important concerns associated with repeated high-speed centrifugation.

Users should still inspect the rotor body, drive interface, tube cavities, lid, seals, and locking mechanisms according to the manufacturer's recommendations.

Any rotor showing signs of structural damage, abnormal wear, impact, or questionable condition should be removed from service until appropriately evaluated.

Auto-Lock Rotor Exchange

When installed in a compatible Sorvall LYNX centrifuge, the F14-14x50cy supports Thermo Scientific Auto-Lock rotor exchange.

Auto-Lock allows the rotor to be installed and removed without traditional tools or manual spindle tightening.

This can make rotor changes significantly faster in laboratories where several rotor formats share the same centrifuge.

Rapid rotor exchange is particularly useful in core facilities, shared laboratories, pharmaceutical research facilities, and other multi-user environments.

Auto-ID Rotor Identification

The F14-14x50cy also works with the LYNX Auto-ID rotor identification system.

Once the rotor is correctly installed, the centrifuge recognizes the rotor and automatically applies the appropriate operating parameters.

This helps reduce:

• Manual rotor-code entry

• Incorrect rotor selection

• Setup time

• Risk of exceeding permitted rotor speed

For laboratories with many operators, automatic rotor recognition can provide an important combination of convenience and operational safety.

Speed Handle Rotor Lid

The F14-14x50cy uses Thermo Scientific's Speed Handle lid design, simplifying rotor lid installation and removal.

A properly secured rotor lid is an essential component of safe centrifuge operation and, where applicable, biological containment.

The Speed Handle design provides a convenient way to secure the lid without cumbersome conventional hardware.

Operators should always inspect lid components and sealing surfaces and confirm that the lid is correctly installed before starting a centrifugation run.

50 mL Conical Tube Compatibility

One of the major practical benefits of the F14-14x50cy is its ability to accommodate compatible 50 mL conical centrifuge tubes.

The maximum tube dimensions are approximately:

Diameter: 29 mm
Length: 115 mm

This makes the rotor particularly useful for laboratories already standardized around the 50 mL conical tube format.

However, users should not assume that every 50 mL conical tube can withstand the rotor's maximum 33,746 x g.

The maximum RCF of the tube, closure, and adapter combination must always be checked against the manufacturer's specification.

If a tube is rated for less than the rotor's maximum RCF, the lower labware rating becomes the operating limit.

Smaller-Volume Tube Options

Thermo Scientific also provides adapter options that allow selected smaller tubes to be processed in the F14-14x50cy.

This can extend the usefulness of the rotor beyond 50 mL samples and allow a laboratory to use the same high-capacity rotor for several tube formats.

Appropriate manufacturer-approved adapters are essential.

The tube, adapter, rotor, and centrifuge must all be rated for the intended operating speed and centrifugal force.

Biocontainment Capability

Thermo Scientific identifies the F14-14x50cy with biocontainment certification.

This can be particularly useful for microbiology, cell biology, biotechnology, and pharmaceutical applications where containment of aerosols or leaked sample material is important.

Biocontainment performance depends on correct use of the rotor, lid, seals, approved tubes, and associated accessories.

Seals and O-rings should be inspected routinely and replaced when damaged, deteriorated, or otherwise outside manufacturer recommendations.

F14-14x50cy vs. F20-12x50 LEX

The F14-14x50cy and F20-12x50 LEX both process 50 mL samples, but they emphasize different performance priorities.

The F14-14x50cy holds 14 x 50 mL, providing 700 mL total capacity, and reaches 33,746 x g in the LYNX 6000.

The F20-12x50 LEX holds 12 x 50 mL, providing 600 mL total capacity, but reaches approximately 51,428 x g in the LYNX 6000.

Choose the F14-14x50cy when higher sample count and overall capacity are the priority.

Choose the F20-12x50 LEX when maximum centrifugal force is more important than processing two additional tubes per run.

For laboratories operating both rotors, they provide complementary capabilities on the same LYNX centrifuge platform.

F14-14x50cy vs. F14-6x250y

The F14-14x50cy and F14-6x250y operate in a similar speed range but support very different sample formats.

The F14-14x50cy processes 14 x 50 mL tubes, providing 700 mL total nominal capacity.

The F14-6x250y processes 6 x 250 mL bottles, providing 1.5 liters total nominal capacity.

The F14-14x50cy is better suited for larger numbers of independent samples.

The F14-6x250y is better suited for larger-volume batch processing, including cultures, homogenates, lysates, and protein precipitation.

Choosing between the two therefore depends less on maximum speed and more on the sample volume and number of vessels being processed.

F14-14x50cy vs. Standard Benchtop 50 mL Rotors

Many refrigerated benchtop centrifuges accommodate 50 mL conical tubes, but typical maximum centrifugal forces are substantially lower than those available from a superspeed LYNX platform.

The F14-14x50cy can generate up to 33,746 x g, allowing 50 mL samples to be processed at forces beyond the operating range of many general-purpose centrifuges.

This can be valuable for:

• Difficult cell pellets

• Small subcellular particles

• Protein precipitates

• Dense biological suspensions

• More demanding clarification procedures

A benchtop centrifuge may remain preferable for routine low- to medium-speed work, while the F14-14x50cy extends the 50 mL format into the superspeed range.

Rotor Inspection & Testing by American Instrument Exchange

Centrifuge rotors are safety-critical components, so American Instrument Exchange inspects pre-owned rotors before offering them for laboratory use.

Inspection of the F14-14x50cy may include evaluation of:

• Carbon fiber rotor body

• Rotor drive interface

• Tube cavities

• Rotor lid

• Speed Handle mechanism

• Sealing surfaces

• O-rings

• Identification markings

• Visible wear or impact damage

• Overall mechanical condition

When compatible equipment is available, the rotor may also be installed and operated to verify proper fit and operation.

Because rotors operate under significant mechanical stress, users should continue to inspect the rotor before each use and follow Thermo Scientific's operating, cleaning, maintenance, and inspection recommendations.

Refurbished Centrifuge Rotors from American Instrument Exchange

American Instrument Exchange offers inspected used and refurbished centrifuge rotors for laboratories seeking to expand the capabilities of existing centrifuge systems without the expense associated with purchasing new accessories.

The Thermo Scientific Fiberlite F14-14x50cy is especially useful for laboratories already operating a Sorvall LYNX 4000 or LYNX 6000 and seeking a high-capacity superspeed rotor for 50 mL tubes.

American Instrument Exchange also stocks refurbished centrifuges and rotors from Thermo Scientific, Sorvall, Beckman Coulter, Eppendorf, and other leading centrifuge manufacturers.

Shipping & Rotor Care

The F14-14x50cy should be packaged carefully during shipment to protect the carbon fiber rotor body, drive interface, lid, and sealing surfaces.

After delivery, laboratory personnel should inspect the rotor and verify the catalog number, centrifuge compatibility, and labware compatibility before operation.

Only manufacturer-approved cleaning and decontamination procedures should be used.

Abrasive materials, incompatible chemicals, excessive heat, or inappropriate sterilization techniques may damage rotor components.

The rotor, lid, O-rings, and drive interface should be kept clean and inspected routinely.

Related Laboratory Equipment

Laboratories using the F14-14x50cy frequently also require Sorvall LYNX superspeed centrifuges, other Fiberlite fixed-angle rotors, 50 mL centrifuge tubes, tube adapters, refrigerated benchtop centrifuges, large-capacity centrifuge rotors, ultracentrifuges, biosafety cabinets, ultra-low freezers, laboratory refrigerators, incubators, and other sample-processing equipment.

American Instrument Exchange offers refurbished Thermo Scientific Sorvall LYNX 4000 and LYNX 6000 centrifuges, as well as centrifuge rotors and accessories for biotechnology, pharmaceutical, academic, clinical research, process-development, and industrial laboratories.

Thermo Scientific Fiberlite F14-14x50cy Frequently Asked Questions

What is the capacity of the Fiberlite F14-14x50cy?

The rotor accommodates 14 x 50 mL tubes, providing a total nominal capacity of 700 mL per run.

What is the maximum speed of the F14-14x50cy?

The rotor reaches 14,000 rpm in the Sorvall LYNX 6000.

When used in the LYNX 4000, maximum speed is 13,000 rpm.

What is the maximum RCF of the F14-14x50cy?

In the LYNX 6000, maximum RCF is 33,746 x g.

In the LYNX 4000, maximum RCF is 29,097 x g.

Can the F14-14x50cy run at 14,000 rpm in the LYNX 4000?

No. Thermo Scientific specifies a maximum speed of 13,000 rpm in the LYNX 4000. The full 14,000 rpm rating applies to use in the LYNX 6000.

What type of rotor is the F14-14x50cy?

It is a 34-degree fixed-angle carbon fiber composite rotor.

What is the Thermo Scientific catalog number?

The current LYNX-compatible Fiberlite F14-14x50cy rotor is catalog number 096-145075.

Which centrifuges are compatible with the F14-14x50cy?

The current 096-145075 configuration is designed for the Thermo Scientific Sorvall LYNX 6000 and LYNX 4000 superspeed centrifuges.

Does the F14-14x50cy hold standard 50 mL conical tubes?

The rotor is designed for compatible 50 mL conical tubes up to approximately 29 mm in diameter and 115 mm long.

Tube and adapter compatibility should be verified before use.

Can every 50 mL conical tube be centrifuged at 33,746 x g?

No. The rotor may be capable of 33,746 x g, but individual tubes can have significantly lower maximum RCF limits.

The lowest-rated component in the tube, adapter, closure, rotor, and centrifuge system determines the safe operating limit.

Can 15 mL tubes be used in the F14-14x50cy?

Selected smaller-volume tubes can be used with appropriate manufacturer-approved adapters. The exact adapter and tube combination should be verified against Thermo Scientific specifications.

What is the F14-14x50cy commonly used for?

Typical uses include cell pelleting, bacterial and yeast harvesting, tissue homogenate processing, lysate clarification, subcellular separation, protein preparation, and other superspeed applications involving multiple 50 mL samples.

What is the advantage of fourteen rotor positions?

Fourteen positions allow the rotor to process two more 50 mL samples per run than a conventional 12-place rotor, providing higher throughput for laboratories performing repetitive parallel sample processing.

How does the F14-14x50cy compare with the F20-12x50 LEX?

The F14-14x50cy holds 14 tubes and 700 mL total, but reaches a maximum of 33,746 x g.

The F20-12x50 LEX holds 12 tubes and 600 mL total, but reaches approximately 51,428 x g in the LYNX 6000.

Choose the F14-14x50cy for higher sample throughput and the F20-12x50 LEX for higher maximum RCF.

How does the F14-14x50cy compare with the F14-6x250y?

The F14-14x50cy handles fourteen smaller 50 mL samples, while the F14-6x250y handles six larger 250 mL bottles for 1.5 L total capacity.

The former is ideal for parallel sample processing; the latter is better for larger batch volumes.

How much does the F14-14x50cy weigh?

Thermo Scientific lists a net rotor weight of approximately 7.7 kg / 17 lb.

What is the K-factor of the F14-14x50cy?

Thermo Scientific specifies a K-factor of 798 for the rotor at its maximum LYNX 6000 operating speed.

Does this rotor use Auto-Lock?

Yes. The F14-14x50cy supports Auto-Lock tool-free rotor exchange when used with compatible LYNX centrifuges.

Does the rotor support Auto-ID?

Yes. Compatible LYNX centrifuges automatically identify the installed rotor and apply the appropriate rotor parameters.

Is the F14-14x50cy suitable for biocontainment applications?

Thermo Scientific lists the rotor with biocontainment certification. Proper rotor lid, seals, approved labware, and appropriate laboratory procedures must still be used for the biological material being processed.

What warranty does American Instrument Exchange provide?

This pre-owned Thermo Scientific Fiberlite F14-14x50cy rotor includes a 90-day warranty from American Instrument Exchange.