Feedwater Control Valves Manufacturers

Feedwater control valves are used for start up and main feed water control. These two functions are integrated in the combined feed water control valve. The delivery range also includes separate control valves. One of the special features of these types of valves is the trim design in which control of fluid velocities is maintained under all operating flow conditions. This approach practically eliminates cavitations, which is likely to occur during startup, or under low flow conditions, when the DP across the valve is significantly higher than normal flow conditions. Essentially, the trim is made up of disks, which are multi-stage, multi-path flow controlling elements. In the case of feed water control valves, fine control is required at low flows and high DP's and, at full load with high flow low and DP.