Custom LSR Overmolded Silicone Tubing Y-Connector
Item specifics
- Product Type
- LSR Overmolded Silicone Tubing Y-Connector
- Material
- Liquid Silicone Rubber (LSR)
- Substrate
- Silicone Tubing
- Process
- Silicone-to-Silicone Overmolding
- Configuration
- Y-Shaped / Custom Branch Geometry
- Application
- Medical / Bioprocess Fluid Transfer
- Function
- Fluid Junction / Smooth Flow / Integrated Connection
- Tube Size
- Customized According to Drawing
- Custom Input
- 2D Drawing / 3D File / Tube Sample
- Service
- DFM / Tooling / Sampling / Mass Production
Review
Description
Custom LSR Overmolded Silicone Tubing Y-Connector
Custom LSR overmolded silicone tubing Y-connectors are designed for fluid-transfer assemblies that require an integrated junction between multiple silicone tubes.
Three silicone tubes are accurately positioned inside the mold, and liquid silicone rubber is molded around the external junction area to create a continuous Y-shaped connection.
Unlike a separate rigid fitting installed between the tubes, the overmolded structure can create a compact integrated transition while keeping the internal fluid path open.
How Does Silicone Tubing Overmolding Work?
Before molding, the silicone tubes are positioned according to the required branch angle and insertion depth.
Liquid silicone rubber is then injected around the Y-junction area.
The molded silicone must remain outside the fluid lumen. The internal tube openings must stay completely free from silicone, flash and blockage.
Important tooling requirements include:
Accurate tube positioning
Stable shut-off around the tube OD
Controlled overmolding length
Uniform junction wall thickness
Open and unobstructed fluid paths
Controlled flash around tube interfaces
Why Use an Integrated Y-Junction?
An integrated silicone junction can reduce the number of separate fittings and secondary assembly steps in a tubing system.
Depending on the final application and validation requirements, the structure may help provide:
Smooth flow transition
Fewer connection interfaces
Reduced loose fitting components
Integrated tube positioning
Compact Y-junction geometry
Customized branch angles
Customized tube diameters
Silicone-to-silicone construction
The final fluid performance must be evaluated according to the customer's complete tubing system.
Critical No-Silicone Areas
The internal fluid lumen is the most important protected area.
LSR must not enter:
Tube lumen
Fluid pathway
Required connector opening
Inspection opening
Customer-defined functional interfaces
The mold should therefore use accurate cores, shut-off surfaces and tube support structures to control silicone flow around the junction.
Customization Options
SiliconePlus can evaluate custom designs based on:
Tube inner diameter
Tube outer diameter
Y-branch angle
Junction length
Junction wall thickness
Silicone hardness
Tube material
Overmolding coverage
Different tube diameters
Y / T / multi-branch configurations
Customers can provide drawings, tubing samples and assembly requirements for DFM review.
Typical Applications
Custom overmolded silicone tubing junctions can be developed for:
Medical tubing assemblies
Fluid-transfer systems
Laboratory equipment
Bioprocess tubing assemblies
Sampling lines
Liquid transfer systems
Custom silicone manifolds
DFM, Tooling and Manufacturing Support
SiliconePlus supports custom silicone overmolding from structure review and tooling development to sampling and mass production.
For quotation, please provide:
2D or 3D drawing
Silicone tube specification
Tube ID and OD
Branch angle
Junction dimensions
Material requirements
Application environment
Estimated quantity
Material documentation, cleanliness requirements, biocompatibility requirements and sterilization compatibility should be defined according to the customer's actual medical or bioprocess application.
Request a Custom Silicone Tubing Assembly
Developing a custom medical or fluid-transfer tubing system?
Send your tubing drawing, tube samples, Y-junction structure and estimated quantity for DFM review and quotation.
