What component is primarily used to prevent leaks in flammable fluid transport systems?

The component primarily used to prevent leaks in flammable fluid transport systems is the flange safety shield. Flanges are commonly used in piping systems to connect various sections, and they often form joints that can be susceptible to leaks, especially when dealing with flammable fluids. The flange safety shield provides additional protection by covering these joints and preventing accidental leaks from escaping into the surrounding environment.

This is crucial for safety in industrial applications, as leaks of flammable fluids can lead to hazardous situations such as fires or explosions. By using a safety shield, operators can enhance the integrity of the connections, reduce the risk of leaks, and ensure that the fluid remains safely contained within the system.

The other components listed, while they may have their own specific uses in various contexts, do not primarily serve the function of leak prevention in the same way that a flange safety shield does in flammable fluid transport systems. For instance, lagging pads are used for insulation and thermal management, nuts are fastening components that hold parts together, and washers provide a sealing or spacing function but do not offer the comprehensive protective feature that a flange safety shield provides for flammable fluids.