Description
| Catalogue No. | Capacity | Pack of |
| 12013.1 | Stopcock | 1 |
The MEDILAB Stop Cock for Aspirator Bottles and Carboys is a precision-engineered dispensing valve designed for controlled release of laboratory liquids. Manufactured using high-performance PP, Silicon, and PTFE, it ensures leak-proof operation even under frequent use. This stopcock is essential for laboratories requiring safe, smooth, and contamination-free transfer of distilled water, reagents, buffers, and chemical solutions. It enhances workflow efficiency while maintaining excellent reliability during dispensing applications.
Key Features
- Leak-proof dispensing system designed for smooth, controlled flow.
- Chemically resistant construction using PP/Silicon/PTFE for long service life.
- Universal compatibility with MEDILAB Aspirator Bottles and Carboys.
- User-friendly design with an ergonomic handle for easy opening/closing.
- Autoclavable & reusable, maintaining high performance after multiple sterilisation cycles.
- Durable sealing components prevent dripping or sample loss.
- High mechanical strength suitable for routine laboratory and industrial operations.
Material Specifications
Material Composition:
- Body: Polypropylene (PP)
- Seal: Silicon
- Valve/Contact Components: PTFE
Properties:
- Excellent chemical resistance to acids, bases, and aqueous solutions
- High thermal stability suitable for autoclaving
- Strong mechanical durability and impact resistance
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Compliance: Manufactured under standard laboratory plasticware norms (ISO/ASTM compliant manufacturing processes)
Technical Specifications
- Compatibility: Designed specifically for MEDILAB Aspirator Bottles and Carboys (PP models)
- Operating Temperature: Suitable for autoclaving up to 121°C
- Flow Control: Precision valve allowing controlled liquid dispensing
- Dimensions: Standardised fit to ensure secure threading and tight engagement
- Packaging: Individually packed for cleanliness and protection
- Accessories Included: Complete stopcock assembly with sealing components ready for installation
Handling & Precautions
- Ensure the stopcock is securely threaded before dispensing any liquid.
- Clean with mild laboratory detergent; avoid abrasive cleaners.
- Autoclave with valve fully open to prevent pressure buildup.
- Do not overtighten the handle or threads to maintain long-term sealing integrity.
- Avoid use with highly volatile or corrosive organic solvents unless compatibility is confirmed.
Applications
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Ideal for dispensing distilled water, culture media, buffers, and aqueous solutions.
Widely used in:
- Research laboratories
- Pharmaceutical production units
- Biotechnology and life science facilities
- Chemical analysis labs
- Academic and industrial QC/QA laboratories
Supports routine laboratory workflow where safe and accurate liquid dispensing is essential.
Why Choose MEDILAB
- 35+ years of expertise in laboratory plasticware manufacturing.
- Exporting to 40+ countries, trusted by global institutions and industries.
- Export-quality production with strict quality control.
- OEM and private-label services are available for distributors.
- Proven consistency, durability, and reliability across product lines.
- Robust packing and global supply capability ensure safe delivery worldwide.






