What should be installed at the discharge end of the transfer hose at vehicle fuel dispensers?

The installation of a quick-acting shutoff valve at the discharge end of the transfer hose at vehicle fuel dispensers is crucial for ensuring safety and control during propane dispensing. This valve provides a means to stop the flow of propane quickly in case of an emergency or accidental discharge, thereby minimizing the risk of spills and leaks.

The quick-acting nature of the valve means it can be activated swiftly to halt the flow, which is essential in managing hazardous situations, protecting both the equipment and individuals nearby. It ensures that the fuel can be securely shut off when the dispensing operation is completed or if a malfunction occurs, helping to maintain safety protocols in handling propane.

Other components, such as flow meters, pressure gauges, and safety relief valves, serve important functions in monitoring and maintaining pressure and flow rates but do not provide the immediate shutoff capability that is vital in emergency scenarios. Thus, the quick-acting shutoff valve is integral for safe dispensing practices in propane fueling operations.