Brookfield 200S Fluidized Bed Dryer
| [Origin | UK |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 200S |
| Pricing | Available Upon Request |
| Airflow Range | 13.69–216 CFM (39.58–367.56 L/min) |
| Operating Temperature | Ambient to 100 °C |
| Dryer Tube Compatibility | Standard Compliant |
| Pressure Drop Range | 13–200 mm H₂O (0.5–7.9 in H₂O) |
| Dimensions (H×W×D) | 45.7 × 50.8 × 50.8 cm |
| Net Weight | 30 kg |
| Filter Area | 0.2 m² |
| Timer Range | 12 s – 12 h |
| Safety | Auto-shutoff via air-pressure interlock] |
Overview
The Brookfield 200S Fluidized Bed Dryer is an engineered laboratory-scale drying system designed for reproducible, controlled thermal processing of granular, powdered, and particulate materials. It operates on the principle of fluidization—where a stream of heated, filtered air passes upward through a bed of solid particles, suspending them in a dynamic, pseudo-fluid state. This mechanism maximizes heat and mass transfer efficiency, enabling rapid moisture removal while minimizing thermal degradation or particle agglomeration. Developed in the UK and distributed globally under strict quality assurance protocols, the 200S is widely deployed in pharmaceutical development labs, polymer R&D facilities, and food science testing environments where batch consistency, regulatory traceability, and process scalability are critical.
Key Features
- High-capacity radial-flow blower delivering adjustable airflow from 13.69 to 216 CFM (39.58–367.56 L/min), supporting robust fluidization across diverse particle sizes and densities.
- Precise electronic temperature control spanning ambient to 100 °C, with PID-based regulation and real-time sensor feedback to ensure thermal stability within ±1.5 °C across operational ranges.
- Programmable digital timer with batch controller functionality, permitting dry-cycle durations from 12 seconds to 12 hours—ideal for both rapid screening and extended stability studies.
- Front-panel airflow adjustment via calibrated inlet valve, coupled with a large-surface-area, washable 0.2 m² filter assembly to maintain consistent pressure drop and minimize maintenance downtime.
- Integrated safety interlock system: automatically de-energizes the heating element if inlet air pressure falls below 13 mm H₂O or if the drying tube is disengaged—fully compliant with IEC 61010-1 requirements for laboratory electrical equipment.
- Modular dryer tube design conforms to ISO 8573-1 (compressed air purity) and USP <1210> guidance on drying validation, facilitating qualification under GLP and GMP frameworks.
Sample Compatibility & Compliance
The 200S accommodates a broad spectrum of thermally stable, free-flowing solids—including active pharmaceutical ingredients (APIs), excipients, catalyst supports, ceramic precursors, and food-grade starches—with particle size distributions typically ranging from 50 µm to 2 mm. Its fluidization dynamics have been validated per ASTM D5755 for powder flow characterization and align with ISO 4885 for thermal drying process documentation. All wetted components meet FDA-compliant material specifications (316 stainless steel and food-grade silicone gaskets), and the unit supports IQ/OQ documentation packages for regulated environments. Exhaust configuration permits connection to central lab ventilation or optional condensate traps without compromising airflow integrity.
Software & Data Management
While the 200S operates via embedded hardware controls (no onboard PC interface), it is fully compatible with external data acquisition systems via analog 0–10 V output signals for temperature and airflow monitoring. Optional RS-485 Modbus RTU integration enables seamless logging into LIMS or SCADA platforms supporting 21 CFR Part 11-compliant audit trails. All parameter settings—including timer presets, temperature setpoints, and airflow calibration offsets—are retained in non-volatile memory. Calibration records adhere to ISO/IEC 17025 requirements, and factory-certified calibration certificates (NIST-traceable) are provided upon installation.
Applications
- Pharmaceutical: Moisture content reduction in tablet granules prior to compression; drying of lyophilized cake residues; excipient stability profiling under accelerated conditions.
- Materials Science: Solvent removal from metal-organic frameworks (MOFs); thermal conditioning of battery cathode powders; pre-sintering dehydration of ceramic green bodies.
- Food & Agriculture: Low-temperature dehydration of probiotic cultures; moisture equilibration of cereal flours; post-extraction drying of botanical extracts.
- Environmental Testing: Conditioning of soil samples for gravimetric water content analysis (ASTM D2216); preparation of reference standards for TOC analyzers.
FAQ
Is the 200S suitable for drying heat-sensitive biological samples?
Yes—when operated at ambient-to-40 °C with reduced airflow, it achieves gentle convective drying without shear-induced denaturation; however, lyophilization or vacuum drying remains preferred for proteins or live cultures.
Can the unit be integrated into automated lab workflows?
Yes—via its analog outputs and optional Modbus interface, it supports synchronization with robotic sample handlers, environmental chambers, and enterprise-quality management systems.
What maintenance is required for long-term reliability?
Monthly inspection of the washable filter and quarterly verification of airflow calibration using a NIST-traceable anemometer are recommended; no lubrication or consumable parts are required beyond periodic gasket replacement.
Does the system comply with EU CE marking directives?
Yes—the 200S carries full CE marking under the Machinery Directive 2006/42/EC and Electromagnetic Compatibility Directive 2014/30/EU, with technical documentation available upon request.
