What is the minimum schedule for plastic and metal fuel fill pipe?

The minimum schedule for plastic and metal fuel fill pipe in marine applications is Schedule 40. This standard ensures that the pipe has adequate wall thickness and strength to withstand the pressures and environmental conditions encountered in marine environments. Schedule 40 pipes offer a good balance between weight, cost, and durability, making them suitable for fuel filling systems, which need to prevent leaks that could lead to environmental hazards and safety issues. Adhering to this schedule helps ensure compliance with safety standards and regulations set forth by organizations such as the American Boat and Yacht Council (ABYC).

Higher schedules, such as Schedule 50, may provide additional strength but are not necessary for most applications, while lower schedules like Schedule 20 and Schedule 30 do not meet the requisite standards for fuel fill systems. Thus, Schedule 40 serves as the appropriate minimum standard for ensuring safety and functionality in fuel fill applications.