Description
| Catalog No. | Capacity | Pack of |
| 12032.2/1 | Stopcock | 1 |
The MEDILAB Stopcock for Desiccator (PP/PTFE) is a precision-engineered vacuum control component designed for reliable sealing, smooth vacuum release, and long-term durability. It is an essential spare part for both glass and plastic desiccators, ensuring stable vacuum performance in critical laboratory workflows. Built with high-quality polymers, it delivers leak-proof operation and excellent chemical resistance—ideal for research, industrial testing, and quality-controlled environments.
Key Features
- High-precision molding for airtight performance in all standard desiccators
- PTFE plug mechanism ensures smooth, controlled vacuum release without sticking
- Leak-proof sealing for consistent vacuum retention
- Ergonomic design for easy handling and rotation
- Resists chemical attack, corrosion, and repeated laboratory use
- Compatible with both glass and plastic vacuum desiccators
- Lightweight, durable, and designed for long operational life
Material Specifications
- Body: Polypropylene (PP) is chemically resistant, rigid, and durable
- Seal & Plug: Polytetrafluoroethylene (PTFE) non-stick, self-lubricating, inert
- Thermal Properties: Withstands standard autoclaving temperatures*
- Chemical Resistance: Stable against most acids, alkalis, and laboratory reagents
Technical Specifications
- Component Type: Stopcock for vacuum desiccators
- Catalog Reference: As per model (e.g., 12032.x series)
- Fitment: Compatible with a wide range of MEDILAB and non-MEDILAB desiccators
- Vacuum Release: Three-way adjustable PTFE plug (where applicable)
- Operating Tolerance: Precision-fit for airtight sealing; calibration not required
- Accessories Included: Complete PP body + PTFE plug assembly
Handling & Precautions
- Ensure proper insertion and seating before applying the vacuum
- Rotate the PTFE plug gently; avoid forceful turning
- Clean using mild, non-abrasive detergents
- Do not expose to strong organic solvents that may affect PP
- Do not autoclave beyond the recommended polymer temperatures
- Avoid dropping or applying unnecessary mechanical stress
- Regularly inspect the O-ring (if used in your desiccator model) for the best vacuum performance
Applications
- Controlled vacuum regulation in desiccators
- Moisture-free drying and storage of sensitive materials
- Gravimetric analysis, stability studies, and sample preservation
- Essential for workflows in pharmaceutical QC/QA, chemical labs, biotechnology research, food testing labs, academic institutions, and industrial R&D units
- Ensures safe and accurate vacuum handling in routine laboratory operations
