46
7 Appendix
Main test
Gas:
Air
Pressure: approx. 150 mbar
Check of non-metered pipes
Gas:
Natural gas
Flow rate: 0 – 5 l/h
Operating
pressure: approx. 20 – 30 mbar
Test of working order at an arbitrary place of the pipe
Gas:
Natural gas
Flow rate: 0 – 5 l/h
Operating
pressure: approx. 20 – 30 mbar