Description
For long-term and hygienic foodstuffs preservation, some food must be blast frozen to -18°C or -40°C (low temperature). “Frozen” means to transform the fluid inside food to ice crystal. Therefore, preserving foodstuffs in low temperature environment which penetrate the foodstuffs and make the centre of foodstuffs decrease to -40°C rapidly, which is blast freezer. Blast freezer can freeze foodstuffs in a high speed, creating smaller ice crystals and do not damage food. No matter raw, cooked or semi-finished foodstuffs can be preserved perfectly by the blast freezer, after defrosting; foodstuffs can retain the original flavor and freshness without quality doubt.
Features:
- Intuitive touch control panel – Easy to use
- Modular construction makes installation fast and easy
- Visual and audible alarm alerts
- Easy to remove shelf support for simple cleaning and maintenance
- Both internal and external chamber are constructed by stainless steel
Model | VF 45B-4000(A)-C | VF 45B-4000(B)-C |
---|---|---|
Dim. Ext (mm) W x D x H | 4160 x 1550 x 2400 | 4160 x 1550 x 2400 |
Dim. Int (mm) W x D x H | 2710 x 1300 x 2100 | 2710 x 1300 x 2100 |
Stainless Steel Trays | 80 pcs | 80 pcs |
Capacity | 4,000L | 4,000L |
Stainless Steel Tray Dia. (mm) | 500 x 630 x 50 | 500 x 630 x 50 |
Int. & Ext. Chamber | Stainless Steel, SUS 304 | |
Temp. Fluctuation | ±1°C to 2°C | |
Internal Air Circulation | Forced-air | |
Refrigerant | R507 HCFC | |
Comp. Reci. Hermatic | 2500W | 2500W |
Door Lock / Castors | 1 no. / 4 pcs | 1 no. / 4 pcs |
Temp Pull Down Rate | Ambient +25°C to -86°C approx. 40 mins | |
Standard LED Alarm | Hi/Low Alarm | |
Power Voltage | 230Vac 50Hz Single or 415Vac 3 Phase (60Hz for others) | |
Fan Door Switch | Built-in | |
Safety Features & Certification | ISO 13485, Electric Safety Test (EST) IEC 61010-1 (2010), GDPMD, ISO IEC 17025 |
Introduction and specification of blast freezer and chiller blast freezer
It utilizes the mechanism of strong cold wind with great velocity by rotating fan to circulate within the cooling chamber to reduce the temperature of the foodstuffs plus the capability to store it for a prolonged period without any spoilage. It can also prevent the degradation of foodstuffs by bacteria or other microbial contamination such as virus and fungus. Majority of the microbes can survive within the human temperature range which is about 20°C to 45°C. By using ETS blast freezer, it would reduce the temperature of the food product from 85°C to 45°C. By using ETS blast relatively. Not only that, the immediate freezing is able to generate tiny crystals of ice that preserves the quality and the nutrients of the food product.
Figure 2: Graph of the cooling time of food product (min) against temperature (°C)
Blast chiller
Blast chiller is commonly used for the processed food refrigeration that is safe from microbial contamination. It can reduce the temperature of processed food from about 80°C to 3°C – 5°C within 90 minutes with the inhibition of the microbial proliferation. Therefore, the flexibility of the food preparation (can be extended for more than 3 weeks) and serving can be guaranteed without compromising the freshness and physical appearance of the food product.
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