Normax Desiccator with Stopcock (49 060 311)

Normax Desiccator with Stopcock 250 mm (49 060 311)

The Normax Desiccator with Stopcock (Cat. No. 49 060 311) is a robust, high-capacity laboratory desiccator designed for vacuum drying, moisture-controlled storage, and safe cooling of sensitive samples. Constructed from thick soda lime glass, it offers excellent durability, clarity, and chemical resistance, making it ideal for routine laboratory use. With its spacious 250 mm internal diameter, this model accommodates larger or multiple samples, making it suitable for laboratories with higher desiccation demands. The integrated glass stopcock provides precise control for vacuum application or inert gas purging, while the perforated porcelain plate ensures efficient air circulation for consistent drying performance.

Key Features

• Vacuum-ready design with precision stopcock for controlled evacuation or inert gas inlet

• Perforated porcelain plate for stable placement and uniform airflow beneath samples

• Durable soda lime glass offering strength, transparency, and resistance to common chemicals

• Ground-glass flange ensuring a tight, airtight seal when paired with vacuum grease

• Large internal diameter (250 mm) suitable for bulk or multi-sample desiccation tasks

• Transparent dome lid for clear visibility of contents during operation

• Thick-walled construction providing long-term reliability under repeated vacuum cycles

Specifications

• Brand: Normax

• Model: 49 060 311

• Type: Desiccator with stopcock

• Material: Soda lime glass

• Plate material: Porcelain

• Internal diameter: 250 mm

• Stopcock: Yes, for vacuum or inert gas control

• Lid type: Ground-glass lid

• Function: Drying, cooling, and low-humidity storage

• Chemical resistance: Good; withstands most acids, alkalis, and solvents except hydrofluoric acid

Applications

• Vacuum drying of hygroscopic or heat-sensitive materials

• Controlled storage of moisture-sensitive chemicals, samples, or reagents

• Cooling heated substances in a dry, contamination-free environment

• Suitable for chemical, pharmaceutical, industrial, and academic laboratories

• Works effectively with desiccants such as silica gel, calcium chloride, or phosphorus pentoxide

Maintenance and Handling

• Apply vacuum grease lightly to the ground flange to maintain airtight sealing

• Clean with mild detergent and soft materials; avoid abrasive pads

• Inspect and lubricate the stopcock regularly to ensure leak-free operation

• Avoid sudden temperature changes to prevent thermal shock and glass cracking

• Store upright on a stable, flat surface to avoid damage or tipping

Conclusion

The Normax Desiccator with Stopcock 250 mm (49 060 311) delivers reliable performance for laboratories requiring larger drying capacity and precise atmospheric control. Its sturdy construction, excellent visibility, and secure vacuum sealing make it a dependable choice for moisture-sensitive sample handling and vacuum-based drying applications.