
G465-4-1 ff: Device technology for inspecting gas pipes and gas installations
The series of information sheets G465-4-1 ff. (11/2025) describes the currently available detection technologies for gases that comply with DVGW worksheet G 260 (A), with the exception of liquefied gases in the vapour phase: for the detection of gas leaks in pipes and systems used for gas production, gas transport, gas distribution and gas installation, as well as in customer-owned systems and gas installations in industrial applications for the assessment of explosion hazards in work areas, and for the determination




