Koso

KOSO offers a wide range of control valves designed to meet the needs of many different industries and applications, from general service to globe and angle valves, as well as rotary and specialty designs. Our engineering expertise and advanced trim technologies deliver levels of performance, reliability, and accuracy that stand out from other valve designs.

We provide an extensive selection of control valves including cage-guided, top-guided, rotary, and specialty configurations. Many of our valves feature innovative trim designs to optimize flow control, minimize maintenance, and ensure precise, dependable operation across a variety of process conditions.

KOSO offers an extensive line of severe service control valves crafted for the most challenging industrial environments—from handling high pressure, temperature, and flow to resisting cavitation, corrosion, and erosion. Our industry-leading designs—featuring advanced trims like the multi-stage Vector™ velocity-control—deliver unmatched performance, durability, and precision that surpass conventional valve technologies.

We offer a variety of models including standard VECTOR valves and fully customized severe service solutions. Many of our valves incorporate multi-stage trim and hard-material liners to ensure accurate and dependable control under extreme conditions

KOSO offers a versatile lineup of desuperheaters engineered for diverse steam applications—from simple fixed-nozzle models to advanced variable-area and steam-assisted versions. Designed with precision and backed by advanced selection software, our D Series desuperheaters stand out for their reliability, accuracy, and efficient performance.

We offer multiple configurations including fixed-area, variable-area, and steam-assisted spray nozzle designs—each crafted to deliver optimal spray atomization, swift evaporation, and consistent steam temperature control across a wide range of flow conditions.

KOSO delivers a versatile range of choke valves engineered for high-pressure oil, gas, and process applications. Our choke valves offer performance, reliability, and flow control accuracy that stand apart from typical valve solutions.

We provide both surface choke valves—ideal for onshore and above-ground applications—and subsea chokes, built for harsh undersea environments. Many of our designs feature multi-stage velocity-control trim, balanced components, and solid tungsten carbide internals to withstand erosion, noise, and flow variability with precision and longevity.