Description
| Catalogue No. | Cone Size | Pcs. / Pack |
|---|---|---|
| 11135/01 | 14/23 | 1 |
| 11135/02 | 19/26 | 1 |
| 11135/03 | 24/29 | 1 |
| 11135/04 | 29/32 | 1 |
The MEDILAB Adapter Cone with Stem to Rubber Tubing is a precision-made right-angle connector designed for secure attachment between standard ground-glass joints and flexible rubber hoses. This adapter enables smooth transfer of gases or liquids between glass apparatus and external tubing, making it essential in distillation setups, vacuum systems, and fluid handling lines. Its robust construction ensures accurate, leak-free operation in demanding laboratory and industrial environments.
Key Features
- Right-angle outlet design for efficient hose connection and minimal workspace obstruction.
- Precision-ground cone joint ensures tight, leak-proof compatibility with standard glassware.
- Sturdy stem nozzle accommodates rubber tubing securely for stable fluid or gas flow.
- Made from high-quality Borosilicate Glass 3.3 for excellent chemical and thermal resistance.
- High transparency allows clear visibility of media movement.
- Smooth internal surface minimises flow resistance and contamination risks.
- Autoclavable and reusable, ensuring a long operational life.
- Engineered for vacuum and low-pressure applications with reliable performance.
Material Specifications
-
Material: Borosilicate Glass 3.3
Thermal Properties:
- High resistance to thermal shock
- Working temperature up to approx. 500°C
- Coefficient of linear expansion: 3.3 × 10⁻⁶ /°C
Chemical Resistance:
- Resistant to most acids, alkalis, and solvents
- Non-reactive surface preserves sample purity
Mechanical Strength:
- Durable, stable structure ideal for repeated laboratory use
Standards Compliance:
- Manufactured according to ISO 3585 (Borosilicate Glass 3.3)
- Ground joints conform to DIN/ISO standardised dimensions
Technical Specifications
-
Design: Adapter cone with right-angle stem suitable for rubber hose connections
Common Joint Sizes:
- Cone joints: 14/23, 19/26, 24/29, 29/32, 34/35
- Other sizes available upon request
Tubing Compatibility:
- Fits standard laboratory rubber hoses
- Stem length optimised for secure attachment
Tolerance: Manufactured to precise dimensional accuracy and vacuum-tight standards
-
Calibration: Not applicable (non-calibrated connecting adapter)
Packaging:
- Individually wrapped in shock-absorbing protective material
- Packed in durable export-grade cartons
Accessories: No additional accessories included
Handling & Precautions
- Ensure tubing fits snugly on the stem to prevent accidental detachment.
- Avoid applying excessive force while inserting or removing rubber tubing.
- Compatible with standard lab detergents; avoid abrasive cleaners.
- Autoclavable allows gradual heating and cooling to prevent thermal stress.
- Do not expose the joint or stem directly to flame.
- Inspect regularly for cracks or chips, especially around the ground joint.
- Store vertically or cushioned to avoid accidental breakage.
Applications
The adapter is widely used across scientific and industrial environments:
- Chemical and analytical laboratories
- Pharmaceutical and biotechnology R&D
- QC/QA testing labs
- Academic and research institutions
- Distillation, gas transfer, vacuum lines, and fluid-handling systems
- Connecting reaction vessels, condensers, or receivers to external tubing
Its reliability and secure connectivity make it essential for daily workflow across multiple disciplines.
Why Choose MEDILAB
- 35+ years of expertise in scientific glassware manufacturing
- Trusted in 40+ countries with a strong global distribution network
- Export-quality Borosilicate Glass 3.3 production with strict quality control
- OEM and private labelling servicesare available for distributors
- Consistent dimensional accuracy and long service life
- Robust packaging and reliable international supply performance
- Preferred by universities, research labs, pharma companies, and industrial users worldwide
