What is a Globe Control Valve?

When precise control is needed, globe valves are the favorite in many industries. Globe valves use the linear motion of a plunger that seats in a seat in a plane that divides the upper and lower half of the valve. In 2-way globe valves, the lower half is connected to the inlet port, and the upper half is connected to the outlet. On 3-way globe valves, there is a third port directly below the seat. There are 2 different styles of globe valve, each for a specific function:

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What is an Actuated Globe Valve?

Actuated globe valve is the most advanced available in design, features, performance, and cost-effectiveness. Its design includes superior proportional control characteristics and safety features for a wide variety of applications, ranging from common fluids to the most aggressive chemicals. Accurate fluid control is achieved by positioning the valve plug to vary the aperture between the plug and the seat ring. The valve design allows the use of different plug/seat sets to provide desired flow versus travel characteristics. A wide range of controllable CV is available, from 0.23 to a maximum of 105. Reduced trim is an option.

Applications of Actuated Globe Valves

Actuated Globe valves are available in a variety of sizes (NPS 1/2 thru 36) and provide users with high performance and reliability. They can help solve an array of application needs from big to small, hot to cold, and general to severe.

Bonnets are available in different styles to accommodate different application temperatures. This primarily includes standard bonnets and optional extension bonnets, which may be used to protect packing materials when the valve is used in extremely hot or cold applications.

There are also special packing configurations for applications that require the packing system to maintain fugitive emission concentrations below environmental standards.

Some of the most typical applications of globe valves include cooling water systems, fuel oil systems, feedwater or chemical feed systems, boiler, and main steam vents and drains, and turbine lube oil systems.