GL45 Stainless Steel 4-Port Connector Cap
The GL45 stainless steel 4-port connector cap is designed for multi-line fluid and gas handling through a single GL45 laboratory bottle opening. Four 316L stainless steel hose connections support buffer, media and process-fluid transfer in closed laboratory systems.
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 4-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 |
| CBC0405S4Q |
4 × 4–5.5 mm |
6 sets/box |
| CBC0607S4 |
4 × 6–7.5 mm |
6 sets/box |
| CBC0809S4 |
4 × 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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Four-port connection: Supports multiple liquid and gas lines through one GL45 bottle cap.
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316L stainless steel ports: Corrosion-resistant and autoclavable for biopharmaceutical and chemical applications.
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Autoclavable PBT cap: Suitable for autoclaving at 121–134°C.
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Silicone gasket: Helps provide dependable gas and fluid sealing.
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Multi-channel operation: Suitable for feeding, aeration, liquid withdrawal and waste collection.
Applications
- Multi-line buffer and media transfer
- Fermenter feeding, aeration and waste collection
- Aseptic transfer of reagents and culture media
- Laboratory instrument liquid supply
- Closed reaction systems using inert gas or negative pressure
