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LFD Series Laboratory Scale Vacuum Freeze Dryer Machine
Laboratory scale vacuum freeze dryers are widely used in medicine, pharmaceutical, biological research, chemical and food fields.Freeze-dried items are easy to store for a long time, and can be restored to the state before freeze-dried and maintain the original biochemical properties after adding water. It is suitable for laboratory use and can meet the requirements of routine freeze-drying in most laboratories.
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Freeze dryer, also called a lyophilizer, gently removes moisture through low-temperature freezing and vacuum sublimation. It preserves color, nutrients, aroma, and activity, making it ideal for food, pharmaceuticals, biotechnology, herbs, and pet food. We offer household to industrial models for both small-batch research and large-scale production.
| Model | HFD-1 | HFD-4 | HFD-4Pro | HFD-6 | HFD-7 | HFD-8 | HFD-10 |
| Freeze-dried Area(M2) | 0.1M2 | 0.3.M2 | 0.4M2 | 0.6M2 | 0.7M2 | 0.8M2 | 1M2 |
| Handling Capacity(Kg/Batch) | 1~2Kg/Batch | 3~5Kg/Batch | 4~6Kg/Batch | 6~8Kg/Batch | 7~9Kg/Batch | 8~10Kg/Batch | 10~12Kg/Batch |
| Cold Trap Temperature(℃) | -35℃ | -35℃ | -55℃ | -35℃ | -55℃ | -35℃ | -35℃ |
| Maximum Ice Capacity/Water Catch(Kg) | 3kg/24H | 4kg/24H | 5kg/24H | 6kg/24H | 7kg/24H | 8kg/24H | 10Kg |
| Layer Spacing(mm) | 40mm | 45mm | 36mm | 70mm | 56mm | 45mm | 38mm |
| Tray Size(mm) | 140mm*278mm*20mm 3Pcs | 200mm*425mm*20mm 4Pcs | 200mm*425mm*20mm 5Pcs | 430*315*30mm 4Pcs | 430*315*30mm 5Pcs | 430mm*315*30mm 6Pcs | 430mm*265mm*25mm 8Pcs |
| Ultimate Vacuum(Pa) | 2pa(No-load) | ||||||
| Vacuum Pump Type | 2XZ-2 | 2XZ-2 | 2XZ-2 | 2XZ-4 | 2XZ-4 | 2XZ-4 | 2XZ-4 |
| Pumping Speed(L/S) | 2L/S | 2L/S | 2L/S | 4L/S | 4L/S | 4L/S | 4L/S |
| Noise(dB) | ≤60db | ||||||
| Power(W) | 1100W | 1550W | 1750W | 2000W | 2200W | 2300W | 2500W |
| Power Supply | 220V/50HZ or Custom | ||||||
| Weight(Kg) | 73Kg | 84Kg | 86Kg | 125Kg | 127Kg | 128Kg | 130 |
| Dimension(mm) | 450*500*825mm | 500*640*900mm | 500*640*900mm | 640*680*1180mm | 640*680*1180mm | 640*680*1180mm | 640*680*1180m |
| Model | HFD-15 | HFD-20 | HFD-25 | HFD-35 |
| Freeze-dried Area(M2) | 1.5M2 | 2.0M2 | 2.5M2 | 3.5M2 |
| Handling Capacity(Kg/Batch) | 15~20Kg/Batch | 20~26Kg/Batch | 26~30Kg/Batch | 35~40Kg/Batch |
| Cold Trap Temperature(℃) | -60℃ | |||
| Maximum Ice Capacity/Water Catch(Kg) | 20Kg/24H | 26Kg/24H | 30kg/24H | 40kg/24H |
| Layer Spacing(mm) | 40mm | 53mm | 48mm | 47mm |
| Tray Size(mm) | 270*780mm 7Pcs | 390*900mm 6Pcs | 390*900mm 7Pcs | 390*600mm 14Pcs |
| Ultimate Vacuum(Pa) | ≤2pa | |||
| Vacuum Pump Type | 2XZ-4 | 2XZ-6B | 2XZ-6B | 2XZ-8B |
| Pumping Speed(L/S) | 4L/S | 6L/S | 6L/S | 8L/S |
| Noise(dB) | ≤60dB | |||
| Power(W) | 3000W | 4350W | 4500W | 5500W |
| Power Supply | 220V/50HZ or Custom | |||
| Weight(Kg) | 197Kg | 256Kg | 258Kg | 344Kg |
| Dimension(mm) | 650*1080*1130mm | 800*1100*1335mm | 800*1100*1335mm | 1460*810*1370mm |
| Model | HFD-50 |
| Freeze-dried Area(M2) | 5.0M2 |
| Handling Capacity(Kg/Batch) | 60~70Kg/Batch |
| Cold Trap Temperature(℃) | -70℃ |
| Maximum Ice Capacity/Water Catch(Kg) | 50Kg/24H |
| Shelves Spacing(mm) | 60mm |
| Tray Size(mm) | 540*495mm 18Pcs |
| Ultimate Vacuum(Pa) | ≤15pa |
| Noise(dB) | ≤60dB |
| Power(W) | 7500W |
| Power Supply | 220V/50HZ or Custom |
| Weight(Kg) | 700Kg |
| Dimension(mm) | 2350*1150*1800mm |
| Gross Weight(Kg) | 700Kg |
| Package Dimension(mm) | 2350*1150*1800mm |
①Integrated structure design, small size, easy to use, no leakage.
② All materials in contact with the product are made of inert materials to meet the requirements of GLP.
③ Large opening of cold trap, no inner coil, with sample pre-freezing function, no need for low temperature refrigerator.
④ Specialized gas diversion technology, cold trap ice evenly, ice capture ability.
⑤ Vacuum pump protection function, can set the vacuum pump start cold trap temperature, protect the service life of the vacuum pump.
⑥ 7-inch true color industrial embedded touch screen +SH-HPSC-II modular controller, high control accuracy, stable and reliable performance.
⑦ Intelligent data recording system, real-time record and display cold trap temperature curve, sample temperature curve, vacuum degree curve, exported data can be viewed and printed through the computer and a variety of operations.
⑧The powerful sensor calibration function ensures the accuracy of the measured value in long-term use.


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Shanghai Jingyi Tech Co., Ltd. is a high-tech manufacturing enterprise specializing in Vacuum Freeze Drying technology. We integrate R&D, design, manufacturing, sales, and service to provide intelligent, energy-efficient Freeze Drying equipment and complete Turnkey Solutions to global customers. Our main offerings include Vacuum Freeze Dryer, Quick Freezing Equipment, Freeze-drying Pretreatment Equipment, Vacuum Packaging Machines, and Complete Food Processing Solutions.
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