What is the required grading for LP gas?

The required grading for LP gas lines is typically established to ensure that the gas flows properly throughout the system while minimizing the risk of gas accumulation or other safety issues. The correct grading, which is 1/4 inch per 15 feet, is crucial because it allows for adequate drainage and the prevention of liquid gas accumulation in the piping. This standard helps maintain proper pressure and flow within the gas system, ensuring safe and efficient operation.

Grading that is either too steep or too shallow can lead to various operational challenges, such as increased friction losses or the potential for liquid gas to condense and cause blockages. Therefore, having the correct grading at 1/4 inch per 15 feet is essential for system integrity and safety compliance.