What does the priority valve do in LPA systems?

The priority valve in Low Pressure Air (LPA) systems has a crucial function in managing the distribution of air. Specifically, it separates vital and non-vital air mains, ensuring that essential systems have priority access to compressed air during operation. This is particularly important in applications where certain systems, such as emergency equipment, require uninterrupted air supply, while non-essential systems can operate on a lower priority.

By effectively managing the airflow between these two categories, the priority valve helps to maintain the operational integrity and safety of the entire system. It prioritizes the delivery of air to critical equipment, which can be particularly vital in scenarios where air supply is limited or needs to be optimized for performance. Understanding this function is key for engineers and operators to ensure the reliable operation of LPA systems in a variety of contexts.