What are the main advantages of a cryogenic freezer over mechanical refrigeration?

Cryogenic freezers offer significantly faster freezing rates, which helps preserve product quality, texture, and moisture content. They also typically have a smaller footprint for equivalent throughput and offer greater operational flexibility.

What type of products are best suited for IQF cryogenic freezing?

Products that benefit most are small, individual items that tend to clump together with slower freezing methods, such as fruits, vegetables, seafood (e.g., shrimp), and pasta. It ensures each piece is frozen separately.

What are the primary running costs for a cryogenic freezer?

The main running cost is the consumption of cryogenic gas (liquid nitrogen or CO2). Electricity consumption for the conveyor and controls is relatively minor in comparison.

Is special ventilation required for a cryogenic freezer?

Yes, adequate ventilation is crucial due to the potential for oxygen displacement by cryogenic gases, which can create an asphyxiation hazard. Safety sensors and interlocks are also typically required.

Can this type of freezer be used for non-food applications?

Yes, cryogenic freezers are also used in industrial applications for processes like deburring, deflashing, and enhancing material properties through sub-zero treatment of metals and plastics.

Used Linde Cryoflex CTFA4-60 Cryogenic Freezer - Blast Freezers, photo 1

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Used Linde Cryoflex CTFA4-60 Cryogenic Freezer - Blast Freezers

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Linde Cryoflex CTFA4-60 Cryogenic Freezer

Name: Linde Cryoflex CTFA4-60 Cryogenic Freezer
SKU: 3899
Availability: InStock

Price: Contact seller for price

Linde Cryoflex CTFA4-60 Cryogenic Freezer, Serial 3002097/2, 2011, This continuous conveyor belt in a sub-zero tunnel was developed specifically for operators keen to avoid unnecessary handling and transportation of parts requiring sub-zero treatment. The CRYOFLEX® T freezer can be easily integrated into continuous hardening lines. It is well suited to mass production of small or thin parts such as injectors, springs, nuts and bolts. The standard temperature range extends from room temperature to -110°C (-166°F), Stainless mesh belt dimensions 4000mm x 600mm, 3Ph

Doncaster, United Kingdom

6,055 km away

Stock Number

3899

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Rapid freezing of delicate food products such as berries, prawns, or prepared meals.
Achieving individual quick freezing (IQF) for improved product quality and separation.
Cryogenic treatment of small industrial parts like springs, nuts, and bolts to enhance material properties.
Integration into continuous production lines requiring rapid sub-zero processing.

Typical throughput: Varies significantly based on product type and desired temperature, but units of this class are designed for continuous high-volume processing.
Operating temperature range: Typically from ambient down to -110°C or lower, utilising liquid nitrogen or carbon dioxide.
Conveyor belt material: Commonly stainless steel mesh, suitable for cryogenic temperatures and food contact.
Power supply: Typically 3-phase electrical supply for controls and conveyor drive; cryogenic gas supply (liquid nitrogen or CO2) is the primary energy input for cooling.
Footprint: Tunnel freezers of this type require a significant linear space, with the belt length being a primary dimension.
Refrigerant: Designed for use with cryogenic gases such as liquid nitrogen (LIN) or liquid carbon dioxide (LCO2).

Cryogenic freezers offer significantly faster freezing rates, which helps preserve product quality, texture, and moisture content. They also typically have a smaller footprint for equivalent throughput and offer greater operational flexibility.

Blast freezers hold strong reputations for reliable performance in food processing operations. Buyers typically prioritise units with sturdy construction and consistent temperature control, as these directly affect product quality and shelf life. When purchasing used equipment, inspecting refrigeration systems, door seals and internal surfaces for wear is essential. Industry sentiment favours models from established manufacturers known for durability. Key strengths include rapid freezing capability, energy efficiency compared to older freezing methods, and adaptability to various food types. Proper maintenance history significantly influences buyer confidence in used units.

General overview for this equipment type

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.