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Trima Accel Automated Blood Collection System* TACSI System Terumo Automated Centrifuge & Separator Integration Mirasol Pathogen Reduction Technology (PRT) System Whole Blood Bag Systems Explore our collection of blood bags Trima Accel® Version 7 Automated Blood Collection System* Reveos® Automated Blood Processing System Sealers & Welders Safeguard Your Process With Reliable, Sterile Tubing Welders and Sealers Mirasol® Pathogen Reduction Technology (PRT) System Ancillary Products Collection, processing and storage needs. Sealers & Welders Reliable, Sterile Tubing Welders and Sealers
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TOMEs Terumo Operational Medical Equipment Software Veda Solutions Compliance, training, maintenance, data insights, and consulting services Trima KPI Dashboard Dashboard Software Vista® Information System
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Spectra Optia Apheresis System Red Blood Cell Exchange Discover the value of RBCX for transfusion management of sickle cell disease (SCD) in adults and children. Apheresis System Protocols Exchange. Collection. Depletion. Processing. Vascular Access Your resource for optimizing vascular access for each and every patient Sickle Cell Disease Transfusion therapy for sickle cell disease Spectra Optia® Apheresis System
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Veda Solutions Compliance, training, maintenance, data insights, and consulting services Spectra Optia® Cell Collection Services Use data to drive improvement of your cell collections Cell Collections Customized and comprehensive cell collection solutions to apheresis centers and cell manufacturers.
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Whole Blood Bag Systems Whole blood collection, component processing and storage Accessories for Blood Centers Collection, processing and storage needs. Sealers & Welders Reliable, Sterile Tubing Welders and Sealers Biomedical Freezers
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Sealers & Welders Reliable, Sterile Tubing Welders and Sealers Finia Fill and Finish System Quantum Flex Introducing the Next Generation of Cell Expansion COBE 2991
 Cell Processor Elutra Cell Separation System
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Veda Solutions Compliance, training, maintenance, data insights, and consulting services IQ/OQ Installation Qualification and Operational Qualification Cell Collections Customized and comprehensive cell collection solutions to apheresis centers and cell manufacturers. Spectra Optia® Cell Collection Services Use data to drive improvement of your cell collections
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Global Blood Solutions

Learn how our portfolio of global blood center solutions can support each step from collection and processing to pathogen reduction and storage

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As a global leader in therapeutic apheresis and cell collections, Terumo Blood and Cell Technologies is dedicated to advancing apheresis to help provide more treatment options for the patients you serve.

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Cell Therapy Technologies

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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 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:
3.9 to 4.5 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.

Need more information? We are here to help.

Reach out to our team

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.

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.

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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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Considering a switch from manual connectors to welders?

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.

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.

Featured resources

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

60 mins

Achieving Consistency in Fill and Finish for Cell Therapies

Researchers from Charles River Laboratories discuss efficiency in cell therapy manufacturing final formulation and how to reduce hands-on risk to therapy integrity

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2 pg

Ethylene Oxide and Sterilization in Healthcare

Learn about medical device sterilization, the use of ethylene oxide, and the role they play in protecting public health

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3 mins

Mirasol Mode of Action: Advancing Global Blood Safety

See how Mirasol works to safely and effectively reduce pathogens and inactivate white blood cells

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2 mins

Our purpose: Unlocking potential

We see potential at every turn — new therapies, solutions that impact lives, and more

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6 mins

Reveos Customer Testimonial Video

Hear from Dr. Manuela Lopes from São João Hospital Center in Porto, Portugal, on how Reveos helped the center optimize blood processing operations

 

View now

4 pg

TPE Technology Overview

Review this comparison of centrifugal and membrane therapeutic plasma exchange, including procedure times, blood flow rates, benefits, and more.

Read now

12 pg

T-ACE II+/TOMEs Total System

See how adding powerful software can yield better data management and more

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1 mins

Terumo Group Corporate Video

Learn about Terumo Group’s goal of advancing healthcare and enhancing patients’ quality of life

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1 pg

Therapeutic Apheresis Contact Form

Ask for assistance finding an apheresis center that uses the Spectra Optia system or simply get in touch with our experts

Submit request

1 pg

TOMEs + TSCD-II: Support Both Blood Product Safety and High Productivity

See the benefits of bidirectional connectivity when you integrate TSCD-II with TOMEs 

View now

2 mins

TSCD-II Sterile Tubing Welder Video

See TSCD-II in action and learn about the benefits

View now

1 mins

TSCD-Q: How It Works

See how the TSCD™-Q Sterile Tubing Welder creates simple, consistent, dependable polyurethane-specific tubing connections

View now

Contact us to discuss your sterile tubing connection needs today.

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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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