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
Shipping costs are calculated at time of checkout by our shopping cart, based on the weight of your order and the method of shipment.