What is the function of a feed water regulating valve?

The function of a feed water regulating valve is primarily to maintain the water level in a high pressure boiler system. This valve plays a crucial role in ensuring that the water level remains within optimal operating limits, which is essential for the safe and efficient operation of the boiler.

By regulating the flow of feed water into the boiler, this valve helps manage the amount of water that enters the system based on the steam generation demand. If steam is produced and the water level drops, the feed water regulating valve opens to allow more feed water into the boiler to replenish the water level. Conversely, if the water level rises too high, the valve can limit the flow of incoming water, ensuring that the system does not become overfilled, which could lead to dangerous conditions like water carryover into the steam system.

Thus, the feed water regulating valve is vital for maintaining a stable water level, which in turn ensures safe operation and efficiency of the boiler.