EN 746-8:2000

FOREWORD
0 INTRODUCTION
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITIONS
      3.1 Enclosed Chamber
      3.2 Quenching Media
      3.3 Flood Quench
      3.4 Open Quench
      3.5 Press Quench
      3.6 Small Tank
      3.7 Medium Tank
      3.8 Large Tank
      3.9 Closed Tank
4 LIST OF HAZARDS
5 SAFETY REQUIREMENTS AND/OR MEASURES
      5.1 General
      5.2 Layout
      5.3 Design and Construction of Quench Tanks
      5.4 Exhaust and Ventilation Systems
      5.5 Cooling Systems (where provided)
      5.6 Tracing and Jacketing
      5.7 Heating Systems
      5.8 Component Handling
      5.9 Controls and Alarms
      5.10 Quenchant Level and Effective Depth
      5.11 Plant/Equipment Details
      5.12 Fire Precautionary Arrangements
      5.13 Ergonomic Requirements
6 VERIFICATION OF SAFETY REQUIREMENTS AND/OR MEASURES
7 INFORMATION FOR USE
      7.1 General
      7.2 Specific Information To Be Provided
      7.3 Marking of quench equipment
      7.4 User's information
      7.5 Care
      7.6 Maintenance of the equipment
ANNEX A (INFORMATIVE) Examples of quenching equipment
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 that shall be provided by the manufacturer for Quenching Equipment, whether it is used as an independent unit or an integrated part of a plant. This part of EN 746 does not cover specific hazards and safety requirements for Salt Bath bath equipment used as a quenching means (see prEN 746-5:1999). This part of EN 746 does not cover the handling, storage, transport, disposal, transfer or regeneration of the quenching media and processed material outside the limits of the equipment.