Normax Desiccator Lid with Stopcock 300 mm (49 063 34)
The Normax Desiccator Lid with Stopcock (Cat. No. 49 063 34) is a large-size replacement lid designed for vacuum desiccators with a 300 mm internal diameter. Built from soda lime glass, it combines durability, excellent transparency, and chemical resistance—ideal for controlled-atmosphere drying, vacuum storage, and moisture-sensitive sample protection. The integrated stopcock allows users to easily connect vacuum or inert gas lines, ensuring precise pressure and humidity control during laboratory operations.
Key Features
Vacuum Stopcock: Provides reliable control for vacuum evacuation or inert gas purging during desiccation.
Durable Construction: Made from soda lime glass for superior strength, clarity, and resistance to laboratory chemicals.
Perfect Compatibility: Fits Normax Desiccator with Stopcock bases measuring Ø 300 mm.
Airtight Ground Flange: Forms a secure, airtight seal when used with vacuum grease to maintain low-humidity conditions.
Transparent Dome Design: Allows clear visual monitoring of samples without opening the desiccator.
Robust and Stable: Thick glass walls provide excellent mechanical strength for long-term vacuum applications.
Specifications
| Parameter | Description |
|---|---|
| Brand | Normax |
| Model | 49 063 34 |
| Type | Desiccator lid with stopcock |
| Material | Soda lime glass |
| Compatible Base Diameter | 300 mm |
| Stopcock | Yes (for vacuum/inert gas control) |
| Seal Type | Ground glass flange |
| Function | Replacement lid for vacuum desiccator |
| Chemical Resistance | Good (resists acids, alkalis, and most solvents except HF) |
Applications
Acts as a replacement lid for Normax Desiccators with Stopcock (Ø 300 mm).
Ideal for vacuum drying, inert gas purging, and moisture-controlled sample storage.
Commonly used in chemical, pharmaceutical, and research laboratories for protecting hygroscopic substances.
Works effectively with desiccants such as silica gel, phosphorus pentoxide, or calcium chloride.
Maintenance and Handling
Apply vacuum grease to the flange before sealing to maintain an airtight connection.
Regularly inspect and clean the stopcock valve to prevent leaks and ensure proper operation.
Avoid sudden temperature changes that may cause glass cracking.
Clean using mild detergent and soft materials, then dry thoroughly before use.
Store safely on a stable, padded surface to prevent chipping or impact damage.
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