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Trima Accel Automated Blood Collection System Reveos Automated Blood Processing System Welders & Sealers Reliable, sterile connections using cost-effective tubing welders and sealers Whole Blood Bag Systems Whole blood collection, component processing and storage Mirasol Pathogen Reduction Technology (PRT) System
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Cell Collection Services Spectra Optia Cell Collection Services Veda Solutions Service | Analytics | Consulting
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Quantum Flex Cell Expansion System FINIA Fill and Finish System Welders & Sealers Reliable, sterile connections using cost-effective tubing welders and sealers
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Welders & Sealers Reliable, sterile connections using cost-effective tubing welders and sealers Accessories for Blood Centers Collection, processing and storage needs.
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Welder in use

Welders and Sealers

Maintain a closed system with reliable, sterile connections using cost-effective tubing welders and sealers

Safeguard your process and products with dependable sterile tube connection devices

From blood centers to academic labs to cell therapy developers and other biotech companies, one process goal is always clear: Zero points of failure in your closed-system workflow and bioprocessing tubing. 



To prevent product contamination and loss, you need complete confidence even in the smallest of your process steps. That’s why sterile tubing welders and sterile tubing sealers are critical.



Support your process with our proven sterile connection devices — designed to deliver fast, sure, and repeatable results you can depend on — all from a market leader that has helped set the global standard for sterile connections.

Request more information

At a glance: Benefits of our high-performing welders and sealers

Sterile

Count on proven sterility at every connection with devices based on 30+ years of expertise in sterile tube welder and sealer design.

Reliable

Maintain your functionally closed system and reduce the possibility of contamination with consistently sturdy, uniform, and dependable connections.

Fast

Increase productivity and spend less time waiting to make connections —3 seconds or less for our sealers and 30 seconds or less for welders.

Cost-effective

Enjoy single-item supply management and low per-connection supply costs, and manage capital equipment and manufacturing costs per run.

SOP-friendly

Easily implement into standard operating procedures (SOPs) and support Good Manufacturing Practices (GMP) with a functionally closed system.

Which of our sterile welding and sealing devices best fits your needs?

Find the ones that are right for your process, then learn more about each of our sterile tubing welders and portable sterile tube sealers below.

Selecting a welder

Which tubing type do you use?

PVC tubing

PVC tubing

C-FLEX tubing

Polyurethane tubing
What is the tubing size you typically use?

Outer diameter:

5.46 mm (0.215 in)



 

Wall thickness:

0.84 mm (0.033 in)

Outer diameter:
3.86 to 4.6 mm

(0.15-0.18 in) 



Wall thickness:
0.508 to 1.10 mm

(0.019-0.043 in)

Outer diameter:
6.35 mm (0.25 in)
Inner diameter:
3.18 mm (0.125 in) 

Outer diameter:

4.75 mm (0.187 in) 

 

Wall thickness:


0.787 mm (0.031 in) 
Choose

SCD IIB

TSCD-II

SCD IIB

TSCD-Q

Selecting a tube sealer (also known as a blood bag sealer)

Which tubing type and size do you use?

PVC tubing



 

Outer diameter:
Up to 6.2 mm (0.24 in)

EVA tubing



 

Outer diameter:
Up to 4.15 mm (0.16 in)
Do you need handheld capabilities?

No

Yes
Choose

T-SEAL III

T-SEAL Mobile

PVC: polyvinyl chloride; EVA: ethylene vinyl acetate.

Explore our suite of welder and sealer products

Our products are designed to deliver the certainty you need in each sterile connection while providing the ease of use and flexibility your operations require. Considering a switch from manual connectors to welders?

Download a side-by-side comparison

Complete high-quality sterile welds in 30 seconds with this compact, portable device. The SCD IIB welder accommodates both PVC and C-Flex tubing, requires minimal technical training, and offers the opportunity for smooth implementation into existing processes.

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Connect PVC tubing in any combination of wet and dry with the TSCD-II welder. TSCD-II has a quick, automated 14-second weld cycle and offers proven reliability with 0.0001% reports of leakage with over 165 million wafers used.1 The lightweight design delivers workflow flexibility.

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TSCD-Q delivers all the attributes of the TSCD-II sterile tubing welder — portability, automation, and speed, in a product customized for our Quantum Flex™ Cell Expansion System.

Learn more

Increase efficiency with high-quality, reliable, sterile seals in three seconds or less with the T-SEAL III sealer. T-SEAL III guides operators with LED indicators and is compact and lightweight for easy portability.

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Take the compact T-SEAL Mobile device wherever you need to — it slips easily into a lab coat pocket. It adjusts automatically to the tubing material and diameter and delivers approximately 1,500 seals per charge.

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Also available: Weld integrity test kit

When using our SCD IIB and TSCD-II welders, you can simplify the process of satisfying quality assurance and GMP requirements by performing test welds on-site and returning your test welds to us to evaluate alignment, leakage, and tensile strength.

Request more information

Help ensure uptime and more with our service packages

Learn about our Veda™ Check solution — installation qualification and operation qualification (IQ/OQ), preventive maintenance, and other service offerings designed to boost operational confidence.

Read more

Are you a cell and gene therapy manufacturer?

Welders and sealers are just the beginning of how we support cell and gene therapy developers. You can turn to our cell therapy technologies for assistance each step of the way, from early process development to commercialization.


Learn more about our portfolio of solutions — including an automated, flexible cell expansion platform; fill-and-finish system; and starting material/cell collection insights.

Download our brochure

Featured resources

For operator's manuals and Instructions for Use, visit our eIFU website: Terumo.eifu.com. For more information, visit Help.TerumoBCT.com.

Contact us to discuss your sterile tubing connection needs today.

Connect with our experts

Disclaimers and notes

1Data on file at Terumo Blood and Cell Technologies: Terumo Blood and Cell Technologies complaints database PPR database 2016-2017-2018; Complaint Report Detail - TSCD II recorded 2018-2022 June; Global numbers of wafers sold 2016-2021.



Tubing shall meet the specifications for the welder.

C-Flex is either a registered trademark or trademark of Saint-Gobain Life Sciences in the United States and/or other countries.

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