- Product Description
- Specifications
- Brochure
- Manual
- Video
- FAQ
The SJ CW50 is a large-scale commercial freeze dryer engineered for high-volume food producers. With a 50–70 kg batch capacity, 18 trays, and nearly 5 m² of shelf area, it bridges the gap between medium-commercial and industrial-scale production.
Key Specifications
- Load Capacity: 50–70 kg per batch
- Number of Shelves: 9 pcs (with 18 trays total)
- Tray Size (W × L × H): 404 mm × 685 mm × 20 mm
- Total Shelf Area: ~4.98 m²
- Dimensions (W × D × H): 880 mm × 1,686 mm × 1,580 mm
- Machine Weight: ~708 kg (gross ~900 kg)
- Condenser Temperature: ≤−60 °C
- Shelf Temperature Range: −35 °C to +80 °C
- Vacuum Pressure: ≤5 Pa
- Control: 7-inch touch-screen + SJ-PLC (Auto/Manual)
- Power Options: 380–400 V 3-phase 20 A; or 220 V 3-phase 30 A
- Vacuum Pump: SJ-V24
- Compressor: 2 × 3/3.5 HP, or 1 × 8 HP
- Temperature Sensor: PT100
- Condenser Material: 304 stainless steel
Ideal For
- Large food manufacturing plants — snacks, meals, ingredients
- Coffee, tea, and botanical extract producers
- Military and emergency ration production
- Export food processing — long shelf-life, lightweight product
Additional information
| Brand | SJ Scientific Limited |
|---|
Does the SJ-50H require three-phase power?
Yes. The SJ-50H requires three-phase power: 380–400 V 3-phase (20 A) or 220 V 3-phase (30 A). Single-phase supply is not suitable for this model.
What is the throughput of the SJ-50H in tonnes per month?
Processing two batches per day at 60 kg average, the SJ-50H can yield approximately 3,600 kg of raw material (≈360–720 kg of finished freeze-dried product) per month.
What floor space and ceiling height does the SJ-50H require?
Allow at least 3 m × 2.5 m floor space with 2.2 m ceiling clearance. Include 1 m service clearance on the compressor side for maintenance access.
Can the SJ-50H be configured for pharmaceutical use?
The SJ-50H is engineered for food-grade applications. Contact SJ Scientific for GMP-certified pharmaceutical versions with enhanced documentation and validation packages.
SYSTEM PERFORMANCE
Engineered for Excellence, Built for Scale
European Engineering
Powered by Holland Green Science, our systems deliver precision, reliability, and cutting-edge freeze-drying technology.
Tailored Solutions
Customizable lyophilization systems designed specifically for the unique needs of Cannabis, Food, and Pharma sectors.
Certified Quality
All equipment is CE certified and built for 24/7 operation. GMP-ready configurations are available upon request.
Technical Support
We ensure maximum uptime with local spare parts, 4-hour response time, and on-site assistance within 48 hours.
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