... Control Valve 1.Excellent sealing & control characteristic 2.Cavitation&Erosion resistant 3.Multi-stage Attemperator/Desuperheater Spraywater Control Valve ... reheat spray valve is normally a high DP, with cavitation and seat leakage a majorconcern. The major problem exists ... service life at the same time, overcoming both the cavitation erosion and the flow characteristic distortion, which conventional ...