Figures 1 & 2 - Cu gas system labels.
Figure 3 - Typical transition to Cu tube when there is steel pipe from the exterior meter.
Figure 4 - Schematic diagram of a distribution manifold system.
Figure 5 - Example of vertical subdivision in a multi-story residential building.
Figure 6 - Typical meter bank for multi-family building.
Figure 7 - Low pressure system with branch runs.
Figure 8 - Low pressure system with individual runs.
Figure 9 - Single-regulated elevated pressure system with branch runs.
Figure 10 - Single-regulated elevated pressure system with individual runs.
Figure 11 - Multi-regulated pressure system with branch runs.
Figure 12 - Multi-regulated pressure system with individual/branch runs.
Figure 13 - Copper tube installation and protection.
Figure 14 - Copper tube through an exterior wall.
Figure 15 - Flared brass fittings for copper natural gas systems.
Figure 16 - Typical dirt pocket installation.