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Vacuum Tray Dryer - Vacuum tray dryer with heated shelves and positive pressure design. FLP control, N2 purging, safety features. Reduces drying time & enables low-temperature vaporization.

The Vacuum Tray Dryer delivers efficient low-temperature drying with heated shelf technology and positive pressure design, engineered for heat-sensitive pharmaceutical products requiring gentle, controlled drying.

Basic machine is in Vacuum rated design with heating shelves featuring positive pressure rated no-leakage design, ensuring safe and reliable operation.
Basic machine is equipped with FLP (Flame Proof) control panel for safe operation in pharmaceutical manufacturing environments.
Provision of N2 purging line enables inert atmosphere maintenance, protecting sensitive pharmaceutical materials from oxidation during drying.
Safety features provision while manual discharging ensures operator protection during batch removal and prevents accidental product release.
Continuous heated water circulation in heating shelves with vacuum in chamber can reduce batch drying time and enable special product vaporization at low temperature.
All the contact parts are made of SS 316 for superior hygiene and corrosion resistance, while non-contact parts are made of SS 304 for durability.
Basic machine includes Rupture disc provision, Vacuum gauge, sample port, and view glass for process monitoring and safety.
Vacuum chamber design enables precise control of pressure and temperature, allowing low-temperature drying of heat-sensitive formulations without product degradation.

Key Technical Advantages

Vacuum Rated Design with Positive Pressure Heating Shelves

Business Benefit: Safety & Reliability

Vacuum-rated chamber combined with positive-pressure, no-leakage heating shelves ensures safe operation and prevents contamination.

Performance: Zero leakage incidents; meets all safety standards

FLP Control Panel

Business Benefit: Operational Safety

Flame-proof control panel ensures safe operation in pharmaceutical facilities with strict safety requirements.

Performance: Meets all safety regulations; zero electrical hazards

N2 Purging Line Provision

Business Benefit: Product Protection & Oxidation Prevention

Nitrogen purging capability maintains inert atmosphere, protecting oxygen-sensitive and light-sensitive pharmaceutical materials.

Performance: Prevents oxidation; preserves product potency

Continuous Heated Water Circulation

Business Benefit: Reduced Drying Time & Efficiency

Integrated heating system with water circulation enables faster, more uniform drying compared to traditional methods.

Performance: Reduces drying time by 30-40%; improves uniformity by 25%

Low-Temperature Vaporization Capability

Business Benefit: Product Integrity & Quality

Vacuum system combined with heated shelves enables vaporization at low temperatures, protecting heat-sensitive pharmaceutical compounds.

Performance: Preserves product stability; reduces degradation by 95%

SS 316 Contact Parts & SS 304 Non-Contact

Business Benefit: Hygiene & Durability

Premium material selection ensures product cleanliness and long-term equipment reliability.

Performance: Zero contamination; equipment life: 12+ years

Request VTD Quotation

MODEL	Lab VTD	VTD-30	VTD-60	VTD-120	VTD-200
Chamber Volume (Liters)	10-30	60	120	240	400
Tray Capacity per Batch (kg)	2-5	15-20	30-40	60-80	100-150
Heating Shelves	4-6	8	10	12	14
Vacuum Range	0-650 mmHg	0-650 mmHg	0-650 mmHg	0-650 mmHg	0-650 mmHg
Heating Temperature Range	30-100°C	30-100°C	30-100°C	30-100°C	30-100°C
Typical Drying Time Reduction	30-40%	30-40%	30-40%	30-40%	30-40%

Chamber Volume (Liters)	10-30
Tray Capacity per Batch (kg)	2-5
Heating Shelves	4-6
Vacuum Range	0-650 mmHg
Heating Temperature Range	30-100°C
Typical Drying Time Reduction	30-40%

Chamber Volume (Liters)	60
Tray Capacity per Batch (kg)	15-20
Heating Shelves	8
Vacuum Range	0-650 mmHg
Heating Temperature Range	30-100°C
Typical Drying Time Reduction	30-40%

Chamber Volume (Liters)	120
Tray Capacity per Batch (kg)	30-40
Heating Shelves	10
Vacuum Range	0-650 mmHg
Heating Temperature Range	30-100°C
Typical Drying Time Reduction	30-40%

Chamber Volume (Liters)	240
Tray Capacity per Batch (kg)	60-80
Heating Shelves	12
Vacuum Range	0-650 mmHg
Heating Temperature Range	30-100°C
Typical Drying Time Reduction	30-40%

Chamber Volume (Liters)	400
Tray Capacity per Batch (kg)	100-150
Heating Shelves	14
Vacuum Range	0-650 mmHg
Heating Temperature Range	30-100°C
Typical Drying Time Reduction	30-40%

Frequently Asked Questions

How does vacuum drying reduce drying time?

The vacuum environment lowers the boiling point of water, allowing efficient moisture removal at lower temperatures. Combined with heated shelf circulation, this reduces drying time by 30-40% compared to atmospheric drying.

Can the vacuum tray dryer handle heat-sensitive products?

Yes. The low-temperature capability combined with vacuum enables safe drying of heat-sensitive pharmaceutical compounds without degradation. The system preserves product stability and potency.

What safety features are included?

The dryer includes an FLP control panel, rupture-disc provision, vacuum gauge, sample port and a view glass. The N2 purging line and dedicated safety features during manual discharge give additional operator protection.

What sizes and operating range are available?

Five models: Lab VTD through VTD-30, VTD-60, VTD-120 and VTD-200, with 4 to 14 heated shelves and 2 to 150 kg of trays per batch. Vacuum is adjustable to 650 mmHg and shelf heating from 30 to 100 C, so the same machine covers gentle solvent removal and low-temperature vaporisation.

Vacuum Tray Dryer, ordinary Tray Dryer or Fluid Bed Dryer?

Choose a Vacuum Tray Dryer when the active is genuinely heat- or oxygen-sensitive, when an organic solvent must be recovered rather than vented, or when the residual-solvent limit is tight. A hot-air Tray Dryer or Fluid Bed Dryer is faster and cheaper for routine water-wet granules that tolerate 60-80 C. See our guides comparing the drying routes.

What are the product-contact parts made of?

All product-contact parts are SS 316; non-contact parts are SS 304. The heating shelves are a positive-pressure, no-leakage design so the heating medium cannot reach the product even if a shelf is damaged.