EN 746-5:2000

FOREWORD
0 INTRODUCTION
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITIONS
      3.1 Salt Bath Thermoprocessing Equipment
      3.2 Components
4 LIST OF HAZARDS
5 SAFETY REQUIREMENTS AND/OR MEASURES
      5.1 General
      5.2 Liquids in the salt bath area
      5.3 Leaking or Overflowing Salt
      5.4 Slipping or falling of persons into the molten
             salt
      5.5 Outlets from Cooling Systems
      5.6 Salt Splashes
      5.7 Overheating of the Bath
      5.8 Fumes, Dusts and Gases
      5.9 Breakage of fastening points
      5.10 Breakage of protection tube of thermo-couple
      5.11 Solidification and subsequent remelting of the
             salts in the bath
      5.12 Workpiece supports
      5.13 Ergonomic Requirements
6 VERIFICATION OF SAFETY REQUIREMENTS AND/OR MEASURES
      6.1 General
      6.2 Suggested test for safety devices and automatic
             shut down
      6.3 Suggested test for function of the agitator
             system
7 INFORMATION FOR USE
      7.1 General
      7.2 Specific information to be provided
ANNEX A (INFORMATIVE) Examples of salt bath furnace set-ups
ANNEX ZA (INFORMATIVE) Clauses of this European Standard
                       addressing essential requirements or
                       other provisions of EU Directives

This part of EN 746 gives the specific hazards and safety requirements for the melting and use of molten salt that shall be provided by the manufacturer for Salt Bath Industrial Thermoprocessing Equipment, whether it is used as an independent unit or an integrated part of a plant. The limits of the equipment will include any transportation equipment which is located wholly or partially in the bath. This part of EN 746 does not cover the handling, storage, transport disposal, transfer or regeneration of the salts and processed material outside the limits of the equipment.