GFN
GFN



GFN

Blast freezer

9 - 72 kW

GFN1

Fans with high air output and external pressure

Uniform air distribution over the cooled or frozen goods

Casing for floor mounting

GFN2

 

Info & Downloads

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Product Documentation

Info Datasheet Operation and installation instructions

Application

  • Cooling down of products
  • Freezing of products
  • Meat, Fish, Poultry
  • Freeze-drying

GFN

Blast freezer

Features

Advantages

  • Casing for floor mounting
  • Fans with high air output and external pressure
  • Blow through fans ensure uniform air distribution over the cooled or frozen goods

Easy to Install

  • 8 different unit sizes available
  • Easy floor installation
  • Empty tube for defrost sensor
  • Schrader valve on outlet

Inspection and Cleaning

  • Hinged fan doors on request

High operational reliability and leak-safety

  • Proven Güntner floating coil principle (refrigerantcarrying tubes do not make contact with the casing,increases the heat exchanger’s service life)

Efficient, Easy Operation

  • High efficiency due to optimal airflow routing
  • Excellent reliability due to simple construction

Technical details

Heat Exchanger

  • Aligned tube pattern 50 x 50 mm
  • Special copper tubes for HFC and CO2
  • Stainless steel tubes for NH3
  • Surface-corrugated aluminium fins for high heat transfer

Casing

  • Galvanized steel, unpainted
  • Legs for floor mounting

Tray

  • Hinged
  • Separate drip plate
  • Corrosion-resistant aluminium alloy AlMg
  • Powder-coated with RAL 9003
  • Large condensation drain

Fans

  • Fans with external pressure 50 or 100 Pa
  • Standard with two speeds
  • Motor protection with thermocontacts
  • 400 V, 3~, 50 Hz or 60 Hz

Product Types / Refrigerant / Capacity

References

Russkij holod – Premium ice cream

Russkij holod – Premium ice cream

The market leader in Russian ice cream production creates ice cream with purely natural ingredients - cooling equipment is provided by Güntner.

Project description (2.79 MB)

One company - four refrigerating plants

One company - four refrigerating plants

The pork producer Cooperl needed units for refrigeration and cooling to improve the air quality in the work rooms, processing rooms, cutting areas and storage rooms. Energy saving also played an improved role.

Project description (2.49 MB)

Günaydin: Fit for Europe-wide export

Günaydin: Fit for Europe-wide export

In two recent large projects for fruit and vegetable refrigeration, the companies Frigotechnik Handels GmbH, Wülfrath, in co-operation with Kälte-Klima Peters from Meerbusch, and Güntner, Fürstenfeldbruck, yet again brought proof of their competence in the refrigeration of foodstuffs.

Project description (891 KB)

Media

Publications

Air coolers, air flow and temperature distribution in large cold stores

Air coolers, air flow and temperature distribution in large cold stores

Download

Influence of heat exchanger design on dehumidification and frost formation

Influence of heat exchanger design on dehumidification and frost formation

Download

Sensible use of energy-saving fans

Sensible use of energy-saving fans

Download

Energy saving on the low-pressure side of a refrigerating plant

Energy saving on the low-pressure side of a refrigerating plant

Download

Tips

subcooling and system efficiency

subcooling and system efficiency

Download

Videos

Accessory

  • Epoxy-resin coated fins
  • Stepped fin spacing
  • Core tubes made of stainless steel
  • Casing and tray made of stainless steel
  • Factory-wired thermostatic expansion valve
  • Reinforced fans with higher external pressure on request

Images