An instrument exists to determine the appropriate diameter of piping required to deliver natural gas or propane to appliances. This tool considers factors such as appliance BTU requirements, gas pressure, pipe material, pipe length, and number of fittings to ensure sufficient gas flow. As an example, a residential furnace with a high BTU demand located far from the gas meter will require a larger diameter pipe than a smaller appliance located nearby.
Proper sizing is crucial for safe and efficient operation of gas-powered equipment. Undersized piping can lead to insufficient gas supply, resulting in appliance malfunction, reduced performance, and potential safety hazards. Conversely, oversized piping can increase costs and may not maintain adequate pressure for optimal appliance function. The development of these calculation methods has evolved alongside advancements in gas appliance technology and building codes, reflecting a growing emphasis on safety and energy efficiency.