Inhaltsverzeichnis
Foreword
1 Scope
2 Normative references
2.1 DVGW Set of Rules
2.2 DIN Standards
2.3 Acts, Directives and Ordinances
3 Terms and definitions
3.1 Pressure and temperature terms
3.2 Gas pressure regulating system
3.3 Gas pressure regulator
3.4 Safety shut-off device
3.5 Function lines
3.6 Qualified person
3.7 Skilled person
3.8 Contracted installers
4 General requirements
5 Component requirements
5.1 Gas pipeline system
5.2 Protection against the effects of fire (indoor Installation)
5.3 Noise control measures
5.4 Indispensable components
5.4.1 Shut-off devices on the inlet side
5.4.2 Gas pressure regulators
5.4.3 Safety shut-off devices – overpressure protection
5.4.4 Additional safety devices to prevent inadmissible pressure increases at MOPu above 1 bar
5.5 Additional components
5.5.1 Automatic safety shut-off devices – underpressure
5.5.1.1 Low-pressure cut-off valve
5.5.1.2 Low-pressure cut-off of the safety shut- off device
5.5.2 Gas pressure regulators with flow monitor
5.5.3 Equipment for the removal of harmful substances
5.5.4 Shut-off devices on the outlet side
5.5.5 Function lines
5.5.5.1 General requirements
5.5.5.2 Venting lines for venting, pressure relief and bleeding
5.5.6 By-pass lines
6 Installation and arrangement of gas pressure regulating systems
6.1 Accessibility
6.2 Protection against damage
6.3 Ventilation
7 Approval procedures for contractors specialising in the installation and testing of gas pressure regulating systems
7.1 Contracted installers
7.2 Other companies
8 Testing
8.1 External tightness test
8.2 Function test
9 Commissioning
10 Testing and commissioning documentation
11 Operation and maintenance
Annex A (informative) – Randomised spot checks during incoming goods inspection
Bibliography
1 Scope
2 Normative references
2.1 DVGW Set of Rules
2.2 DIN Standards
2.3 Acts, Directives and Ordinances
3 Terms and definitions
3.1 Pressure and temperature terms
3.2 Gas pressure regulating system
3.3 Gas pressure regulator
3.4 Safety shut-off device
3.5 Function lines
3.6 Qualified person
3.7 Skilled person
3.8 Contracted installers
4 General requirements
5 Component requirements
5.1 Gas pipeline system
5.2 Protection against the effects of fire (indoor Installation)
5.3 Noise control measures
5.4 Indispensable components
5.4.1 Shut-off devices on the inlet side
5.4.2 Gas pressure regulators
5.4.3 Safety shut-off devices – overpressure protection
5.4.4 Additional safety devices to prevent inadmissible pressure increases at MOPu above 1 bar
5.5 Additional components
5.5.1 Automatic safety shut-off devices – underpressure
5.5.1.1 Low-pressure cut-off valve
5.5.1.2 Low-pressure cut-off of the safety shut- off device
5.5.2 Gas pressure regulators with flow monitor
5.5.3 Equipment for the removal of harmful substances
5.5.4 Shut-off devices on the outlet side
5.5.5 Function lines
5.5.5.1 General requirements
5.5.5.2 Venting lines for venting, pressure relief and bleeding
5.5.6 By-pass lines
6 Installation and arrangement of gas pressure regulating systems
6.1 Accessibility
6.2 Protection against damage
6.3 Ventilation
7 Approval procedures for contractors specialising in the installation and testing of gas pressure regulating systems
7.1 Contracted installers
7.2 Other companies
8 Testing
8.1 External tightness test
8.2 Function test
9 Commissioning
10 Testing and commissioning documentation
11 Operation and maintenance
Annex A (informative) – Randomised spot checks during incoming goods inspection
Bibliography
