Axonometric drawings are seldom used in piping drawings.

More Questions from Piping Drawings

• A wide variety of plastic pipe, both rigid and flexible, is used in construction.
• Single-line drawings show the centerline of the pipe.
• PVC joints are made with flared joints or solder joints.
• Piping may also be shown in orthographic projection.
• Copper tubing is not suitable for process work, for plumbing, or heating systems.
• Joints between pipes, fittings, and valves may be screwed or flanged but not welded or soldered.
• Valves are used to stop or regulate the flow of fluids in a pipeline.
• Copper pipe is brittle, and settling can cause fracture unless the joints are sufficiently flexible.
• In a developed piping drawing, horizontal pipes may be revolved into the vertical plane so the entire installation can be shown on one plane.
• Brass and copper pipe is used in plumbing for supply, soil, waste, drain, and vent lines.

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