Gas: Low Pressure Systems
December 11th, 2024 | Damage Prevention, Education, Natural Gas, SU Online Locator Training Curriculum
Not every service and every main is made of steel or plastic. In older urban areas, there’s still a lot of cast iron gas pipe (Figure 78). Steel services that connected to cast iron mains were generally screw fitting pipes that were bare to earth (Figures 79-82). Cast iron pipe was very typical of what […]