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Steam-Thru Connector

The Stream-Thru Connector is a unique and patent-registered solution to connect stainless-steel and plastic equipment sterilely. For instance, the Connector can be attached to a container and a SIP-Tubing via Sanitary Flange. Usually at the connection point of the Stream-Thru is already an attached ready-to-use and pre-sterilized assembly. The stainless-steel equipment and the Connector will be sterilized by a SIP-cycle with steam. After the sterilization has been completed the Steam-Thru adapter will be activated and the flow path will be opened. The flow path of the tank container towards the ready-to-use assembly is now sterilized and the transfer of fluid can be started.


Steam-Thru Connector Details

The Steam-Thru Connector contain three connections each. One connection is used for the link to the existing stainless-steel equipment, e.g. a vessel. The second connection is needed for the link to the tubing for the steam-sterilization exhaust. On the third connection a ready-to-use and usually gamma-sterilized Single-Use system is pre-installed for the continuing flow of the product. The crossing to the Single-Use system is closed and also sealed in the initial setting. Then the SIP-Cycle starts to sterilize the stainless-steel equipment and the crossing to the Steam-Thru by hot steam. After the cycle is completed the Steam-Thru can be activated and to open the flow path from the vessel (or pipe) to the Single-Use Assembly. All components are sterile inside at this point and the process can continue. 

The Steam-Thru II offers the possibility to reset its position for another SIP-Cycle for sterilization of the equipment after the transfer is completed. 

The Steam-Thru and also the Steam-Thru II are made of polysulfone. This material has been tested exceedingly and is well certified. It is free of animal derived components and also conform to USP Class VI. The documents of validation are available on request. Each Steam-Thru Connector is produced and packed within a certified ISO clean room of class 7. To guarantee the best possible quality, every piece underlies strict security checks. 

Due to the unique and patent-registered design of the Steam-Thru Connector it has a unique selling proposition not only in pharmaceutical, but also biotechnological processes. They are the only component allowing a secure sterilization by steam of stainless-steel and also plastic equipment, as well as the following transfer of liquids in a pre-sterilized Single-Use system. 

Steam-Thru Connector Processes and applications

  • Single-Use assemblies
  • Steam-In-Place applications
  • Sterile transfer of liquids
  • Not only connection to containers, but also to systems
  • Multi-Use to Single-Use connection

It would be our pleasure to design a Single-Use Assembly with an integrated Steam-Thru together with you for your individual needs. This way it could be connected directly to your stainless-steel equipment. These Assemblies can be optimized for your process and designed to meet your requirements. 

We also offer you the service of an individual packaging, labeling and sterilization of the Steam-Thru Connector. We could, for instance, deliver all components directly together with the suitable sanitary plastic clamps and also gaskets. The packaging will of course takes place in an ISO certified cleanroom and underlying also strict quality checks.

The Steam-Thru Connector is conform to:

  • UPS Class VI
  • FDA 
  • Easy handling even with gloved hands
  • Connects stainless-steel and synthetic equipment
  • No effort for cleaning
  • Ergonomically designed
  • Steam-In-Place, autoclavable and gamma-sterilizable
  • Production in an ISO class 7 cleanroom
  • Patent-registered design

Steam-Thru Connector models and sizes


Part-no. Model Material
STC1700000 3/4″ x 3/4″ Tri-Clamp x 1/2″ Hose Barb Polysulfone
STC1700100 3/4″ x 3/4″ Tri-Clamp x 3/8″ Hose Barb Polysulfone
STC1700200 3/4″ x 1-1/2″ Tri-Clamp x 1/2″ Hose Barb Polysulfone
STC1700300 3/4″ x 1-1/2″ Tri-Clamp x 3/8″ Hose Barb Polysulfone

Steam-Thru II:

Part-no. Model Material
STC2020000 3/4″ x 3/4″ Tri-Clamp x 1/2″ Hose Barb Polysulfone
STC2020100 3/4″ x 3/4″ Tri-Clamp x 3/8″ Hose Barb Polysulfone
STC2020200 3/4″ x 1-1/2″ Tri-Clamp x 1/2″ Hose Barb Polysulfone
STC2020300 3/4″ x 1-1/2″ Tri-Clamp x 3/8″ Hose Barb Polysulfone
STC2020900 3/4″ x 3/4″ Tri-Clamp x 3/4″ Tri-Clamp Polysulfone
STC2021000 3/4″ x 1-1/2″ Tri-Clamp x 3/4″ Tri-Clamp Polysulfone
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