What is the smallest diameter gas pipe that can be concealed?

The smallest diameter gas pipe that can be concealed is 1/2 inch. This information is crucial in gas fitting and installation because it adheres to the regulations and safety standards that ensure the safe use of gas lines within buildings. Concealing gas pipes is common practice where aesthetics or space requirements demand it, and the specifications regarding the minimum diameter are designed to ensure efficient gas flow and minimize risks of obstruction or pressure loss.

Using a 1/2-inch pipe allows for proper gas delivery while being small enough to fit into walls or ceilings without taking up excessive space. Larger diameters, while still functional, would not be necessary for many applications and could complicate installation or incur unnecessary costs. Hence, the 1/2 inch is considered the appropriate size for concealed installations in typical residential or commercial settings.