Gastronorm sizes

GN is a world in use container system that allows an easy exchange of food containers by the use of standardized sizes and is used in food processing plants and commercial kitchens use. This standard was Established on 17 November 1964 by the Swiss Association for Hospital, Home and Community gastronomy and the Swiss Hotel Association.

Gastronorm containers

A Gastronorm container is a container, which mainly is suitable for the holding of hot and cold dishes, but also for storing and cleaning of dishes. Gastronorm containers come into the restaurant business, inter alia, in hot counters, stoves, kettles, combi ovens, refrigerators and freezers for use.

The containers are made ​​of stainless steel, aluminum, glass, porcelain or plastic, and can be on the ground and punched. For the handle, comes a stack damper handle to the application or the container is handleless. Likewise, various cover are available (flat, hinge, Dom and plug cover), which can also be provided with a cutout for serving cutlery.

Gastronorm containers are basically nestable, dishwasher safe and sturdy so that they hold even in daily intensive use in a commercial kitchen for long. Although the plastic vessels naturally have the shortest life span, they are also designed regular use for many years.

Properties

The -standard containers can be used and mounted in various ways in a likewise corresponding to the standard bar. In addition to counter tops are also refrigerated warehouses or storage racks which fit to the vessels available. The exchange of containers, similar to Euro pallets is usual. Thus, e.g. a supplier to deliver a filled with food vessel, and in exchange for an empty vessel with the same size.

The basic size Gastronorm (GN ) is 1/1 325 × 530 mm, an approximation of the Golden Ratio. Smaller dimensions are in fractures relative to the surface of the base dimension. The following values ​​are common:

The sizes of 2/4 and 2/ 8 are not the same as 1/2 and 1/4. By another division, the same ratio is calculated as though the standard size, but other external dimensions ( and therefore other possible combinations ). A 1/1-Warmhaltebehälter can therefore for example be divided into:

Restrictions consist practically only in the construction of the counter, which does not always allow the mounting of Gastronorm containers in all variants.

The inserts are available in different depths. Gastronorm containers are produced with a depth of 20, 40, 50, 65, 90, 100, 140, 150, 190 and 200 mm.

Standardization

Gastronorm containers are standardized according to the European " GN " EN 631, which as DIN EN 631 is valid in individual parts in Germany. In addition, in Germany, the DIN standard DIN 66075th

Overview of current DIN standards (as of May 2011):

  • DIN EN 631-1 Materials and articles in contact with foodstuffs; Food containers; Part 1: Dimensions of the containers; issue 1.1994
  • DIN EN 631-2 Materials and articles in contact with foodstuffs - Catering containers - Part 2: Dimensions of accessories and requirements; issue 9.1999
  • DIN 66075-5 facilities for catering; Sink, dimensions; issue 7.1975
  • DIN 66075-7 facilities for catering; Cutouts for inserts; Edition 12.1977
  • DIN 66075-8 facilities for catering; Dish rack, dimensions; Edition 12.1977

Purpose

  • Cooking and pressure cooking appliances, especially stoves.
  • Water bath ( bain-marie ) for example, Hot counters and self-service systems
  • Refrigerators and Freezers
  • Drawers and cabinet fittings
  • Arbeitskorpusse
  • Buffetunterbauten
  • Transport and storage units
  • Storage racks
  • Dumbwaiters

Benefits

  • Rationalization of production
  • Enlargement of the stack volume in smaller areas
  • Maximum utilization of available space
  • Size and depth of the inserts can be optimally adapted
  • Using the same unit for transportation, production and storage and presentation
  • Simplification of the internal transport
  • Interchangeability of mounting elements
  • Accordance with machines and equipment

Disadvantages

  • Standardized, only the outer dimensions of the container.
  • Containers of different manufacturers have different corner radii.
  • Containers of different manufacturers are not any stackable.
  • Container of a manufacturer and also an even size are usually not infinitely stackable, that is, they get stuck at some point by the pressing weight when stacked.
Aluminium Handle (grip)
241241
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