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ISO 9001:2008, nitrogen blast freezer, Temperature low to -190 degree, the cooling rate is -20 C per minutes. - details see: https://www.machineto.com/190-c-tuna-stainles-steel-blast-freezer-10239666

fish liquid nitrogen deep industrial freezer SD-250 kg per hour

Working temperature------room teperature ~-150°C can be set at random

Max Cooling rate -------≥20°C/min;

Accuracy of temperature control----±3°C;

Temperature uniformaity-----±5°C

Touch screen+PLC control mode, you will have a realtime monitoring of temperature inside. Two control system: manual and automatic, reliable and easy to operate.A PID regulator can ensure the precision;

Food grade stainless steel belt, high-test chain and wheel, hard to wear and long service time, flexible and strong. Imported frequency control motor, the freezing time can be adjusted continuously, suitable for processing varous foods;

Adopting hydrolysis defrosting and electrical defrosting(optional), ensure the hygiene of the liquid nitrogen spray system, avoid bacterial growth;

Installed the high-temperature sterillization device(+121°C), ensure to kill the bacteria completely;

Adopting HACCP health safety concept, full stainless steel internal structure and palisade struture is easy to clean, maintain and manage etc, easy to operate, can completely meet the safely requirement for food.