NS EN 1804-3 : 2006 + A1 2010

Foreword
Introduction
2 Normative references
3 Terms and definitions
4 List of hazards
5 Safety requirements
  5.1 General requirements
      5.1.1 General
      5.1.2 Hazard areas
      5.1.3 Arrangement of the control devices
      5.1.4 Dead man's control
      5.1.5 Automatic hydraulic control system
      5.1.6 Automatic guaranteed setting control
      5.1.7 Shut-off devices
      5.1.8 Pressure indicator
      5.1.9 Pipe and hose assemblies
      5.1.10 Hydraulic fluids
      5.1.11 Lifting points
  5.2 Design requirements
      5.2.1 Protection against ejected fluids
      5.2.2 Roof contact advance
      5.2.3 Pressure limiting
      5.2.4 Interruption of the operating pressure
      5.2.5 Travel speeds Essential
      5.2.6 Actuating forces
      5.2.7 Resistance to back pressure
      5.2.8 Adjustable valves
  5.3 Requirements of type A valves
      5.3.1 General
      5.3.2 Leaktightness
      5.3.3 Yield pressure
      5.3.4 Opening pressure
      5.3.5 Closing pressure
      5.3.6 Pressure pulses
      5.3.7 Impact resistance
      5.3.8 Pressure flow behaviour
      5.3.9 Operating reliability
      5.3.10 Temperature effects
      5.3.11 Resistance to back pressure
  5.4 Requirements for type B and C valves
      5.4.1 General
      5.4.2 Leaktightness
      5.4.3 Resistance to pressure
      5.4.4 Switching behaviour
      5.4.5 Operating reliability
      5.4.6 Resistance to back pressure
  5.5 Requirements for type D valves
  5.6 Materials
      5.6.1 Metallic materials
      5.6.2 Light metal
      5.6.3 Other materials
      5.6.4 Seals
6 Verification of the safety requirements
  6.1 Type testing
  6.2 Additional tests
7 User Information
  7.1 General requirements
  7.2 Technical and application data
      7.2.1 Introduction
      7.2.2 General description
      7.2.3 Performance data
      7.2.4 Hydraulic data
      7.2.5 List of additional drawings and documents
  7.3 Handling, transport and storage
      7.3.1 Introduction
      7.3.2 Handling and transport
      7.3.3 Storage
  7.4 Installation and commissioning
      7.4.1 Installation
      7.4.2 Commissioning
  7.5 Operation
  7.6 Maintenance
      7.6.1 Introduction
      7.6.2 Technical description
      7.6.3 Maintenance instructions
      7.6.4 Fault diagnosis and correction
      7.6.5 Preventative maintenance schedules
  7.7 Parts identification lists
  7.8 Marking
  7.9 Residual risks
Annex A (normative) Tests for verification of the safety
         requirements
         A.1 Load tests
             A.1.1 General
             A.1.2 Lifting points
             A.1.3 Testing of type A valves
             A.1.4 Testing of type B valves
             A.1.5 Testing of type C valves
             A.1.6 Testing of type D valves
Annex B (normative) Deviations from EN 982:1996
         B.1 General
         B.2 5.1.7 (EN 982:1996)
         B.3 5.3.4.1.3 Contamination control (EN 982:1996)
         B.4 5.3.4.3.2 Failure (EN 982:1996)
         B.5 5.3.6 Sequence control (EN 982:1996)
         B.6 7.3.4.1 Non-electrical control mechanisms
                     (EN 982:1996)
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of the EU
         Machinery Directive 98/37/EC
Bibliography

Pertains to all hydraulic control devices placed on the market for the first time after the date of issue of this standard.