Flowserve Corp. has launched its new severe service control valve, the Multi-Z. The Multi-Z is a boiler feed-pump recirculation control valve solution for entrained solids flow control. The Multi-Z features a multistage trim design that eliminates cavitation and provides extended trim life. Its venturi outlet nozzle provides further trim and seat protection from high velocity, cavitation and flashing, and its linear multistage plug design provides greater rangeability and higher throttling resolution. Flowserve Corp. Circle 24.