Pilot Freeze Dryer


1. Pre-freezing and drying in-situ, easy to operate, good drying effect.

2. Inflatable(discharge) value adopts safety diaphragm valve, which can be connected to inert gas source, and is filled with inert gas after drying to extend the shelf life of the material.

3. Freeze-drying curve optimization control technology, which can control the cooling rate during the pre-freezing stage, and control the heating rate of the sample and the vacuum value of the current stage in the sublimation and analytical drying stages.

4. 7-inch true color touch screen.

5. Can save hundreds of process recipes, each group contains 50 temperature control sections to improve process optimization rate.

6. Intelligent data recording system, real-time recording and display of cold trap temperature curve,sample temperature curve,vacuum degree curve, export data can be browsed and printed by computer and various operations to facilitate process optimization and drying effect verification.

7. Flexible manual + automatic control mode, manual mode used for groping process,automatical mode used for batch production.

8. Real-time alarm display and historical alarm query function for fault diagnosis and equipment maintenance.

9. User level and password can be set and decentralized for operation management.


Model BK-FD20S


Freeze Drying Area 0.3m2 0.2m2 0.4 m2 0.3m2
Shelf Temperature -50℃~+70℃
Cold Trap Temperature -75℃
Vacuum Degree <5Pa
Max Water Capture Capacity 5Kg 6Kg
Cold Trap Volume 13.5L
Cold Trap Size (D*H) Φ195*460mm Φ215*485mm
Drying Chamber Size (W*D*H) 330*330*450mm 480*385*490mm
Shelf & Tray Size

Tray: 395*265*25mm

Shelf: 300*340*18mm


Qty. Of Shelf & Tray Shelf:3+1








Sample Loading Capacity (Liquid) 3L 2L 4L 3L
Height Between Trays 70mm 50mm 70mm
Tray Temperature Difference ±1℃
Refrigerant R404A + R23
Condenser Cooling Mode Air cooling
Defrost Mode Electric defrosting Naturaldefrosting Electric defrosting
Stoppering Mode / manual / automatic
Can Load Vials Qty Φ20mm / 468 / 702
Φ18mm / 864 / 1296
Φ12mm / 1584 / 2376
Vacuum Pump 4L/S(14.4m3/h)
Electric Defrosting Consumption 400W
Silicone Oil Heating Rods Consumption 400W
Hydraulic Pressure Station Consumption / 0.75KW / 1.5KW
Total Consumption 3KW 3KW 4.5KW 5.5KW
Power Supply AC220V,50Hz/60Hz(single phase)

AC110V,50Hz/60Hz(single phase)

Main Body Weight 300kg 350kg 350kg 450kg
External Size
700*750*1520 920*780*1350
Packing Size (W*D*H)mm/

Gross Weight

Main Body 850*860*1670 /370kg 850*860*1670 / 470kg 1070*930*1500 / 470kg 1350*950*2100 / 490kg
Vacuum Pump 600*380*300 /45kg 600*380*300 /65kg


Model BK-FD50S
Freeze Drying Area 0.69 m2 0.5 m2 1.03 m2 1.15 m2
Shelf Temperature -50℃~+70℃
Cold Trap Temperature -75℃
Vacuum Degree <5 Pa
Max Water Capture Capacity 10kg 15kg
Cold Trap Volume 18L 35L
Cold Trap Size (Dr*H) Φ300*550mm Φ300*500mm
Drying Chamber Size (W*D*H) 410*480*580mm 480*385*490mm 410*580*560mm 710*600*760mm
Shelf & Tray Size





Tray: 475*355*25mm



Qty. Of Shelf & Tray Shelf: 4+1,Tray: 4 Shelf: 3+1,Tray: 3 Shelf: 6+1,Tray: 6 Shelf: 4+1,Tray: 4
Sample Loading Capacity (Liquid) 7L 5L 10L 11L
Height Between Trays 70mm 100mm 70mm 100mm
Tray Temperature Difference ±1℃
Refrigerant R404A + R23
Condenser Cooling Mode Air cooling
Defrost Mode Naturaldefrosting Electric defrosting Electric defrosting Electric defrosting
Stoppering Mode / automatic / automatic
Can Load VialsQty Φ20mm / 1040 / 2016
Φ18mm / 1944 / 3944
Φ12mm / 3456 / 7020
Vacuum Pump 8L/S(29m3/h) 15L/S(54m3/h)
Electric Defrosting Consumption 500W 800W 600W 1000W
Silicone Oil Heating Rods Consumption 800W 800W 1600W 1600W
Hydraulic Pressure Station Consumption / 1.5KW / 1.1KW
Total Consumption 5.5KW 6.5KW 6.5KW 7.5KW
Power Supply AC380V,50/60Hz(three phase)

AC220V,50/60Hz(three phase)

Main Body Weight 550kg 650kg 750kg 950kg
External Size
1000*785*1420 1170*830*1665
Packing Size (W*D*H)mm / Gross Weight Main Body 1150*935*1570 / 650kg 1150*935*1570 / 800kg 1320*980*1815 / 900kg 1320*980*1815 / 1130kg
Vacuum Pump 715*400*500/65kg 715*450*500 /85kg


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