Sorvall SA-800 Fixed-Angle Superspeed Centrifuge Rotor

The Sorvall SA-800 Fixed-Angle Centrifuge Rotor is a laboratory centrifuge accessory designed to separate components of liquid samples using centrifugal force. The rotor shown in the photograph bears the Sorvall SA-600 marking and appears consistent with the SA-800 rotor design.

The SA-600 is a fixed-angle rotor intended for use with compatible high-speed centrifuge systems. Its angled tube positions hold sample tubes at a defined angle during rotation, allowing particles or other sample components to separate according to their sedimentation characteristics under centrifugal force. This makes the rotor useful for sample preparation in biological research, biochemistry, molecular biology, and other laboratory applications.

According to Thermo Scientific's rotor specifications, the SA-800 has a capacity of 12 × 50 mL, an aluminium construction, and a nominal maximum speed of 17,000 rpm in supported configurations. Actual maximum speed and relative centrifugal force (RCF) depend on the compatible centrifuge model and its approved operating limits.

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The rotor is used in workflows where multiple samples need to be processed under controlled centrifugation conditions. Potential applications include collecting precipitates, separating suspended material, preparing biological fractions, and processing research samples before downstream analytical procedures. The suitability of the rotor for a particular sample depends on the tube type, sample density, chemical compatibility, and the centrifugation protocol.

The rotor's central fastening assembly secures it to the centrifuge drive spindle. Correct installation, secure locking, proper balancing, and use of compatible tubes are essential for safe operation. The rotor must never be operated above its approved speed or used with a centrifuge model that is not listed as compatible by the manufacturer.

For laboratories purchasing used centrifuge rotors, visual inspection alone is insufficient to establish operational safety. The rotor should be checked for corrosion, cracks, deformation, thread damage, signs of impact, and other deterioration. Its service history, age, inspection status, and manufacturer-defined retirement requirements should also be reviewed. A rotor with unknown history or suspected structural damage should not be used until assessed by a qualified service provider.

The Sorvall SA-800 can be a useful accessory for laboratories that already operate a compatible Sorvall superspeed centrifuge. Before purchasing, confirm the exact rotor identification, included cover and accessories, compatible centrifuge model, tube requirements, and allowable operating speed. These checks help ensure that the rotor is suitable for the intended laboratory workflow.

2.2. Applications of the product

• Biochemistry research: Separation of biological sample components.

• Molecular biology: Preparation of samples for downstream DNA, RNA, and protein workflows.

• Cell biology: Processing suitable cell suspensions and biological fractions.

• Pharmaceutical research: Sample separation during research and development procedures.

• Protein research: Preparation of samples for biochemical investigations.

• Biotechnology laboratories: Centrifugation of compatible research samples.

• University laboratories: Research and experimental sample preparation.

• Analytical laboratories: Separation of suspended particles and precipitates.

Applications depend on the sample, tube compatibility, centrifuge configuration, and validated laboratory procedure.

2.3. Product features

• Fixed-angle rotor design.

• Manufacturer identification: Sorvall SA-800.

• Aluminium rotor construction.

• Nominal capacity of 12 × 50 mL tubes.

• Designed for high-speed centrifugation.

• Central rotor fastening assembly.

• Supports simultaneous processing of multiple samples.

• Suitable for compatible Sorvall superspeed centrifuges.

• Intended for laboratory research and sample separation.

• Requires approved tubes, correct balancing, and manufacturer-compliant operating conditions.

2.4. Technical specifications

Source: Thermo Scientific rotor guide and manufacturer documentation. Specifications and speed limits vary by centrifuge configuration; confirm the applicable manual before operation.

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2.5. Product condition

Recommended condition: Used – inspection status to be confirmed.

Before listing this rotor, verify:

• Rotor body condition and absence of cracks or corrosion.

• Central fastening knob and mounting interface.

• Cover condition and secure locking mechanism.

• Rotor identification and serial number.

• Service history and inspection records.

• Compatibility with the buyer's centrifuge.

• Availability of required accessories.