EN 14470-1 - EN 14470-2 safety cabinets

INTRODUCTION

For security reasons you have to store your flammable or explosive products in a safety cabinet. No matter your business branch or the degree of flammability of your products, they have to be stored in a safety cabinet in case of fire in order to delay the risk of explosion.

NORM

EN 14470-1 and 14470-2 EUROPEAN NORM :

  • The new European norm came into effect in October 2004 and concerns the storage of flammable products in laboratories. It also only concerns the safety cabinets which internal volume is equivalent or less than 1m3.

The new European norm came into effect in April 2006 and concerns the storage of gaz cylinders in laboratoiries. It also only concerns the safety cabinets with total internal volume allows storage gaz cylinders in a lower capacity 220 liters.

 

European standard EN 16121: this standard specifies the requirements for determining the safety, strength, durability and stability of all types of storage furniture for collective use.

Main requirements

1. Fire protection

In case of fire, the safety cabinet shall insure for at least 15 minutes that the contents of the cabinet do not contribute to any additional risks or spread of fire. A fire safety storage cabinet shall be classified as one of the types listed below :

2. Fire test

All cabinets described in this brochure have succeeded a fire test according to EN 14770-1 (2004) or EN 14470-2 (2006) norms These tests were conducted by an outside laboratory accredited by COFRAC.

3. Spill containment sump (only for EN 14470-1)

A spill containment sump shall be installed underneath the lowest storage level. The sump shall have :

  • a minimum capacity of 10% of the volume of all containers stored in the cabinet,

  • or at least, 110% of the volume of the largest single container, whichever is the greater.

4. Construction

The doors of the cabinet must be fully self-closing from any position. The side and back walls must be of the same thickness and comparable construction. Requirements are given in respect of the construction of the cabinet and its capacity to resist fire conditions from the outside (Fire test given in ISO 834-1 and EN 1363-1).

5. Marking and labeling

Cabinets must be fitted with its standardized pictograms in accordance with ISO 3864 :

  • Matières inflammables, flamme nue interdite et défense de fumer, charge maximale admissible par étagère, capacité du plus grand récipient pouvant être introduit dans l’armoire, résistance au feu du modèle (15, 30, 60 ou 90 minutes), maintient des portes fermées lorsque l’armoire n’est pas utilisée…

  • Présence de bouteilles de gaz comprimé, résistance au feu du modèle (15, 30, 60 ou 90 minutes), maintient des portes fermées lorsque l’armoire n’est pas utilisée.

6. Ventilation

Safety Cabinets must have air inlet and outlet as well as a thermo-fuse which seals off the ventilation system in case of fire. These could be used to connect a forced ventilation system. The air change must be at least 10 times the volume of the safety cabinet (doors closed).

Choose your safety cabinet according to your activity and the level of protection you need

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