GL45 Stainless Steel 3-Port Connector Cap
The GL45 stainless steel 3-port connector cap provides three independent tubing connections for laboratory bottle systems. The multi-channel design can support functions such as gas inlet, liquid outlet and venting within a closed fluid path.
Specifications and Construction
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Compatible bottle neck: GL45 laboratory reagent bottle thread.
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Screw cap: Red PBT plastic.
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Connector insert: 316L stainless steel 3-port design.
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Seal: Silicone gasket.
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Autoclaving temperature: 121–134°C.
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Pack size: 6 sets/box.
Available Port Configurations
| SKU |
Port Configuration |
Pack Size |
| CBC0405S3Q |
3 × 4–5.5 mm |
6 sets/box |
| CBC0607S3 |
3 × 6–7.5 mm |
6 sets/box |
| CBC0809S3 |
3 × 8–9.5 mm |
6 sets/box |
| CBC4589S3 |
4–5.5 mm + 8–9.5 mm + 8–9.5 mm |
6 sets/box |
| CBC6789S3 |
6–7.5 mm + 6–7.5 mm + 8–9.5 mm |
6 sets/box |
Silicone Tubing Compatibility
| Connector Outer Diameter |
Compatible Silicone Tubing |
| 4–5.5 mm |
1/8 inch (16#) |
| 6–7.5 mm |
3/16 inch (25#) |
| 8–9.5 mm |
1/4 inch (17#) |
Key Features
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Three-port configuration: Supports simultaneous gas inlet, liquid transfer and venting functions.
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316L stainless steel ports: Corrosion-resistant and autoclavable for demanding laboratory workflows.
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Autoclavable PBT cap: Suitable for autoclaving at 121–134°C.
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Silicone gasket: Helps maintain reliable sealing for gas and liquid handling.
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Mixed port sizes available: Select equal-size or mixed-size connections to match different tubing lines.
Applications
- Fermenter feeding, nutrient addition and discharge
- Aeration, gas inlet, liquid outlet and venting
- Aseptic transfer of reagents and culture media
- Laboratory instrument liquid supply
- Closed reaction systems under inert gas or negative pressure
