G 414 Technical Rule - Standard 12/2008 -PDF-file-

Above-ground Gas Pipework

62,03 €*
  • DVGW
  • 18 pages 
  • availabel as PDF only
  • 1st edition 2008
  • 1
  • 1
  • 512142
ST
The DVGW set of rules G 414 for the installation (planning, building and commissioning) of gas pipework focuses on buried gas pipework; it contains only few instructions to be observed when installing above-ground gas pipework.

Foreword

1 Scope

2 Normative references

3 Terms, symbols, units and abbreviations

3.1 Above-ground gas pipework

3.2 Delivery point

4 General

4.1 General Requirements

4.2 Personnel and construction supervision

5 Planning and technical design

5.1 Deflection and deformation

5.2 Thermal expansion and compensation

5.3 Bearings, anchor points and suspensions

5.4 Structural ducts

5.4.1 External forces

5.4.2 Shut-off devices, electric isolation points

6 Installation

6.1 Pipe joints

6.2 Welding work

6.3 Materials

6.4 Seals

6.5 Valves, bearings and anchor points

7 Pipe protection

7.1 Corrosion protection

7.1.1 Passive corrosion protection

7.1.2 Active corrosion protection

7.2 Potential equalisation and isolated joints

7.2.1 General

7.2.2 Earthing

7.2.3 Stray currents and high voltage interference

7.3 Labelling

7.4 Jacket pipes

8 Pressure test

8.1 General

9 Commissioning and decommissioning

10 Documentation

11 Maintenance