The Masoneilan 77000 Series multi-stage expanding area control valve is specifically engineered for applications involving high-pressure compressible fluids or two-phase mixtures. It proficiently manages issues related to erosion, vibration, and elevated noise levels, rendering it an optimal choice for services involving high pressure, high temperature, and flashing hydrocarbon liquids.

Common applications for this design encompass a variety of functions, including control of Hot High Pressure Separators in hydroprocessing operations, gas wellhead regulation in offshore choke valves, and a dependable solution for high-pressure gas letdown that may contain entrained debris.