DIN 3381:1984-06

1 Field of application
2 Concepts
      2.1 Safety devices
      2.2 Controlling unit
      2.3 Switching unit
      2.4 Actuator, positioning elements and control
             point
      2.5 Working pressure
      2.6 Permissible working pressure
      2.7 Range of adjustment
      2.8 Set pressure
      2.9 Deviation in set pressure
      2.10 Set pressure class
      2.11 Response time
      2.12 Types of energy
      2.13 Vent pipe
      2.14 Breather tube
      2.15 Break-away force
3 Requirements
      3.1 General requirements
      3.2 Functional requirements
      3.3 Requirements relating to safety devices in
             domestic installations
      3.4 Response time
      3.5 Pressure rating
      3.6 Materials
      3.7 Permissible stresses
      3.8 Closing springs
      3.9 Strength
      3.10 Soundness
      3.11 Dimensions
      3.12 Type of connection
      3.13 Set pressure class
      3.14 Thermal stability
      3.15 Other design requirements
4 Testing
      4.1 Test houses
      4.2 Types of test
      4.3 Specimens and test documentation
      4.4 Test report
      4.5 Checking the component design
      4.6 Strength test
      4.7 Soundness test
      4.8 Serviceability test
      4.9 Works test
5 Marking
      5.1 Marking of safety devices
      5.2 Marking of connections for vent pipes and
             breather tubes
Standards and other documents referred to