Sartorius Frozen & Liquid Storage and Shipping Solutions

Reliable and secure storage and shipping solutions are crucial components of successful biopharmaceutical manufacturing and distribution processes. Maintaining product integrity throughout the storage and transport stages significantly impacts the efficacy, safety, and regulatory compliance of pharmaceutical and biotech products.

Sartorius addresses these critical needs by offering advanced storage and shipping solutions that ensure product quality and operational efficiency. Among their innovative product offerings, the Flexboy®, Flexel®, and Celsius® Pak stand out as market-leading solutions designed specifically for safe, sterile, and reliable storage and transportation of biopharmaceutical liquids and frozen intermediates.

Iright is a distributor of Sartorius Frozen & Liquid Storage and Shipping series. Contact us for detailed pricing and shipping information.

Sartorius Flexboy® 2D Bag

Sartorius Flexboy® single-use bags are engineered specifically for reliable and robust liquid storage and transportation in biopharmaceutical processes. Flexboy® bags combine strength and flexibility, making them ideal for small-scale applications across various process steps.

Key Features:

Robustness: Strong, flexible material ensures durability and safety during handling, making Flexboy® suitable for rigorous small-scale processes.

Closure Integrity: Proven closure integrity through decades of qualification tests, rigorous process controls, and comprehensive in-process leak testing. Over 25 million Flexboy® 2D bags have been globally utilized, reinforcing their reliability. Enhanced integrity assurance is provided through Sartorius's Supplier Integrity Test (SIT) and the FlexAct® BT point-of-use leak test, further ensuring safety and performance.

Cell Growth: Excellent and reproducible cell growth performance, validated by extensive internal and external laboratory data.

• Gamma irradiated for sterility
• Multiple size options available
• Excellent chemical compatibility

Applications:

• Buffer solutions
• Media storage
• Intermediate process storage

Name	Item No.	Tube Length	Number of Lines	Pack Size
Flexboy® 2D Bag - Tri-Clamp - MPC - 5 L	FFB110904	0.5 m (20")	3	20
Flexboy® 2D Bag - Tri-Clamp - MPC - 10 L	FFB110905	0.5 m (20")	3	20

Sartorius Flexel® 3D Bag

Sartorius Flexel® 3D single-use bags are specifically designed for large-volume processing and storage in biopharmaceutical applications. These innovative bags are engineered to work seamlessly with Sartorius Palletank® containers, providing a versatile single-use alternative to traditional stainless steel vessels.

Key Features:

• Extensive Qualification: All connections are thoroughly qualified for reliable and robust performance.
• Sterility Assurance: Fully compliant with ISO 11137, ensuring stringent sterility.
• Standardized Design: Most standard bag configurations readily available from stock.
• Efficient Drainage: Equipped with 1/4” or 3/4" ID bottom drains for quick transfer of process fluids.
• Flexible Volumes: Available in volumes ranging from 50 L to 1,000 L, providing scalability and flexibility.
• High Supply Security: Manufactured across multiple facilities to ensure consistent availability.
• Integration with Palletank®: Specifically designed for compatibility with Palletank®, a market-leading containment solution.
• Connection Versatility: Compatible with sterile connection and disconnection devices such as Biowelder® and Biosealer®. Features female luer fittings for needle-free sampling, quick connects for various connections, and tri-clamps widely used in production environments.

Applications:

• Large-scale liquid storage
• Bulk intermediate storage
• Vaccine production

Name	Item No.	Tube Length	Number of Lines	Pack Size
Flexel® 3D Bag for Palletank® - Sartopore® 2 0.2 µm - Tri-Clamp - 200 L	FXB110964	1.5 m (60")	4	2

Sartorius Celsius® Pak

Sartorius Celsius® Pak is a high-performance single-use solution developed for the frozen storage and shipment of biopharmaceutical products. With precise control over freeze/thaw kinetics and robust design for low-temperature durability, Celsius® Pak ensures product integrity during critical cryogenic process steps—from lab-scale development to production-scale implementation.

Key Features:

• Scalable Freeze & Thaw System: Celsius® Lab-scale Paks are sterile, pre-assembled, and ready-to-use, designed for compatibility with the Celsius® S3 Benchtop System. This system replicates production-scale freeze/thaw kinetics on as little as 30 mL of product.
• Material Consistency: Made with the same S71 film and thickness as production-scale Celsius® bags, ensuring seamless process development, validation, and scale-up.
• Validation & Testing: Ideal for freeze/thaw studies, formulation development, QC sampling, and stability studies. Qualified against rigorous biological, chemical, physical, extractable, and functional testing standards.
• Versatile Connections: Available with CPC quick couplers or luer connectors for aseptic or sanitary connection under ISO5 laminar air flow. EVA, Clear C-Flex®, and Pharma-50 silicone tubing options replicate production-scale transfer lines.
• Thermowell Options: Available with or without integrated thermowells for non-invasive temperature monitoring during freeze/thaw or stability testing.
• Assured Supply Chain: Complete control over resin, film, bag, filter, and assembly production ensures superior supply security and change control compliance.
• Digital Selection Tool: The intuitive Celsius® Pak PDS (Pre-Designed Solutions) digital brochure simplifies selection and reduces SKU complexity.

Name	Item No.	Sensors	Temperature Range	Tubing
Lab-scale Celsius® Pak - Luer - EVA - 30 mL	FZB114804	Thermowell	-80 °C - + 45 °C	EVA
Lab-scale Celsius® Pak - Luer - EVA + TPE - 30 mL	FZB114866	Thermowell	-80 °C - + 45 °C	TPE

Comparative Overview

The following comparison highlights the key characteristics and recommended use-cases for Sartorius Flexboy®, Flexel®, and Celsius® Pak solutions:

Product	Volume Range	Primary Use	Temperature Range	Notable Features
Flexboy®	Up to 50 L	Small-scale liquid storage & transport	Ambient to chilled	Proven integrity, cell growth support, flexible formats
Flexel®	50 L – 1,000 L	Large-scale liquid storage	Ambient to chilled	Palletank® compatible, robust 3D design, quick drainage
Celsius® Pak	30 mL – 100 L	Frozen storage & shipping	-80 °C - + 45 °C	Freeze/thaw control, thermowell option, lab to production scalability

Sartorius ensures the highest standards of quality and regulatory compliance across its entire product portfolio. From raw materials to finished assemblies, every step is subject to rigorous controls and testing. Sartorius products are manufactured in ISO-certified facilities and meet global regulatory requirements including FDA, EMA, and USP standards.