A Pressure Reducing Landing Valve (PRLV) is a type of valve used in firefighting systems, particularly in high-rise buildings or areas with varying water pressure. Its primary purpose is to reduce and control the pressure of the water supplied to fire hoses and other firefighting equipment to ensure safe and effective firefighting operations.
Model No.
|
010401020003
|
Valve Type
|
Oblique, Pressure
Reducing, Flanged Inlet
|
Nominal Size
|
DN50
|
Working Pressure
|
20 BAR
|
Min. Water Flow Rate
|
8.5 L/S @ 4 Bar Outlet
Pressure
|
Min. Valve Pressure Regulating
|
4-12 Bar
|
1. Pressure Regulation: The PRLV is designed to reduce the high water pressure from the building's water supply to a lower, manageable pressure suitable for firefighting. High-pressure water can be difficult to control and may damage firefighting equipment or injure firefighters.
2. Adjustability: Some PRLVs are adjustable, allowing firefighters to regulate the water pressure as needed. This adjustability can be crucial in different firefighting scenarios.
3. Inlet and Outlet Connections: Typically, PRLVs have standard fire hose inlet connections and outlet connections to which fire hoses or other firefighting equipment can be attached.
4. Reliability: These valves are engineered to be reliable and able to function even under adverse conditions. Firefighters need to trust that the valve will work when it's needed most.
5. Durability: PRLVs are often constructed from robust materials, such as brass or cast iron, to withstand harsh environments and maintain their functionality over time.