... lifespan corresponds to that of the gas pipeline
Diameter: 0.9 to 21 inches
Wall thickness of steel pipe: 0.12 to 0.99 inches
Working medium temperature: up to 150°C
Operating pressure: 392 bar
Electrical resistance: at least 5 MΩ
Electrical strength: no more than 50 mA
Climatic properties: ambient temperature from -60 to +60
Internal coating: based on alkyd primers; based on UV-curable masses
External coating: weather-resistant; coating with shrinkable material...