Basic Electric Heating Freeze Dryer

Basic Electric Heating Freeze Dryer – QualiFD™ BEH Series

The Basic Electric Heating Freeze Dryer – QualiFD™ BEH Series is an in-situ Electric Heating Freeze Dryer Machine built for precise shelf temperature control and consistent lyophilization results. It supports both pre-freezing and drying within a single chamber, helping reduce handling steps and lowering contamination risk.

This series covers applications from laboratory and pilot-scale work to higher-capacity production. It includes options for manual and automatic control, making it suitable for process development as well as routine batch operations. The system features electrically heated shelves with programmable temperature segments to guide freezing, primary drying, and secondary drying phases.

Temperature settings can be adjusted during automatic cycles, and process segments can be skipped when changes are required. A transparent acrylic chamber door allows clear monitoring throughout the freeze-drying process. A diaphragm valve enables inert gas connection for controlled backfill after drying. The FD-EMB control system supports recipe storage, process optimization, and real-time data logging with export capability.

Applications

Pharmaceutical and vial workflows:
The QualiFD™ BEH Series supports vial-based processes with stoppering available on the SY-10FD top-press configuration. This allows sealing under vacuum after drying, helping limit moisture exposure during unloading. The same system also handles bulk product on trays when vial processing is not required.

Biological samples and culture preservation:
Freeze drying is suitable for temperature-sensitive biological materials that require extended storage stability. Controlled shelf heating and vacuum levels help maintain consistent drying conditions across runs. Recorded data curves allow teams to compare cycles and refine methods during R&D.

Food and ingredient R&D:
Research teams use a Freeze Dryer machine to test formulations where conventional heat drying alters structure or aroma. Electric shelf heating supports stable and predictable temperature ramps for process development.

Chemical and materials drying:
Lyophilization supports solvent removal from samples that are sensitive to heat or oxidation. An inert gas connection enables controlled venting after drying for oxygen-sensitive materials. Programmable recipes help maintain consistent parameters across trials and batch runs.

Standards

ISO 13408-3 (Aseptic processing – Lyophilization):
This standard serves as a global reference when lyophilization is integrated into aseptic workflows, supporting controlled and compliant processing environments.

ASTM E3250 (Freeze Dryer Instrumentation):
Provides guidance on best practices for freeze dryer instrumentation, with a focus on accurate temperature and pressure measurement for reliable process control.

IEC 61010-1 (Electrical Safety):
Widely referenced for the general electrical safety requirements of laboratory equipment, helping ensure safe operation across testing and production environments.

Basic Electric Heating Freeze Dryer – QualiFD™ BEH Series Key Features

• In-situ pre-freezing and drying workflow within a single chamber, helping reduce handling steps and improving operational efficiency
• Electrically heated shelves with programmable recipes, along with both manual and automatic operation modes
• Flexible parameter adjustment during automatic runs, including the ability to skip segments when needed
• Transparent acrylic chamber door for clear observation throughout the freeze-drying process
• Safety diaphragm valve with inert gas connection for controlled backfill after drying
• FD-EMB control system with support for recipe storage and process optimization
• Intelligent data recording with curve visualization and export options for reporting and analysis
• Real-time alarm system with history tracking to assist in troubleshooting and maintenance
• User and password management for secure and controlled system access

Theory and Method

Freeze drying begins by freezing the sample, followed by reducing chamber pressure to allow sublimation of ice directly into vapor. Controlled shelf temperature provides the energy required for primary drying, while a cold trap captures the released vapor to maintain system efficiency.

Secondary drying continues under controlled conditions to remove bound moisture and achieve the desired final moisture level. Process curves for temperature and vacuum support validation of repeatability and assist with internal documentation. After completion, inert gas backfill can be applied to safely return the chamber to atmospheric pressure under controlled conditions.

Basic Electric Heating Freeze Dryer – QualiFD™ BEH Series Technical Specification

Specification	QualiFD™ BEH Standard	QualiFD™ BEH Top-press
Freeze drying area (m²)	0.2	0.1
Cold trap temperature (°C)	≤ -60, optional ≤ -80 (no-load)
Vacuum level (Pa)	≤ 5 (no-load)
Shelf temperature range (°C)	-50 to +70 (no-load), optional -70 to +70
Water capture capacity (kg/24 h)	≥ 6
Material tray size (mm)	395 × 265
Number of material trays (pcs)	2	1
Shelf (tray) size (mm)	400 × 270
Shelf spacing (mm)	70
Overall power (W)	2000
Weight (kg)	210
Dimensions (mm)	725 × 600 × 1270
Loadable materials (L, 10 mm thickness ref.)	2	1
Loadable vials (Top-press)	—	Φ12: 777; Φ16: 434; Φ22: 220
Defrost mode	Natural defrosting (optional electric defrost)
Voltage	Single-phase 3-wire, 220 V (110V is also available)