- Product Description
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The SJ CW20 is a high-output commercial freeze dryer for food manufacturers requiring consistent 20–30 kg batch processing. Nine GN-standard stainless trays and three-phase power deliver the throughput needed for continuous production environments.
Key Specifications
- Load Capacity: 20–30 kg (44–66 lbs) per batch
- Number of Trays: 9 pcs — 400 mm × 600 mm × 20 mm each
- Total Shelf Area: 2.21 m²
- Dimensions (W × D × H): 877 mm × 802 mm × 1,312 mm
- Machine Weight: ~220 kg
- Condenser Temperature: −40 °C or −60 °C (selectable)
- Shelf Temperature Range: −35 °C to +80 °C
- Vacuum Pressure: ≤5 Pa
- Control: 7-inch touch-screen + SJ-PLC
- Power: 380–440 V / 10 A, 3-phase, or 220 V / 18 A
- Vacuum Pump: SJ-V24
- Compressor: 2 × 1.5 HP
Features
- Configurable 3-phase or single-phase supply
- Auto and manual control modes
- PT100 temperature sensors throughout the shelf stack
- 304 stainless condenser and tray material
- Heating element defrost for fast turnaround
Additional information
| Brand | SJ Scientific Limited |
|---|
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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