North American Valves Market in the Upstream and Midstream Oil and Gas Industry

LONDON, Oct. 1, 2014 /PRNewswire/ -- This study discusses the latest trends in the upstream and midstream segments of the North American oil and gas industry. The upstream segment includes onshore and offshore applications. The study also analyzes complex applications for valves in the aforementioned segments. A competitive matrix is provided for the different types of valves in the market.

Market Overview—Definitions
Valve: A valve is a mechanical device used to stop, divert, and modulate the flow of a medium. The valve actuation might be triggered either by an external force (forced actuation) or by the inherent flow characteristics of the medium, such as discharge rate, pressure, or temperature (self actuation).
-Quarter Turn: In a quarter turn, valve actuation occurs at a maximum of degrees between a fully closed and fully open condition. These turns are best suited for quick open/close (isolation) and switching applications. Examples include conventional and small and medium ball valves, butterfly valves, plug valves, and needle valves.
-Multi-turn: These valves require more than degrees of valve actuation. They are best suited for modulating and switching flow applications. Examples include conventional globe and gate valves.
-Isolation Valves: These valve applications involve either a completely open or a completely closed condition, also known as on-off valves. The type of valves used for isolation purposes are conventional ball, butterfly, plug, globe, gate, and check valves.
-Switching Valves: These consist of or more ports. Valve application involves diverting flow from 1 output port to another. Typically, the types of valves used for switching are triple-port ball and globe valves.
-Control valves: Automated valve application involves the modulation of flow attributes, such as the discharge rate or the pressure from the input to the output. The types of control valves are conventional globe-style valves (linear and equal percentage plug style), segmented and V-notch ball valves, eccentric plugs, triple eccentric butterfly valves, and self-actuating temperature- and pressure-sensitive regulators and relief valves.
oLinear control valve: The valve actuation mechanism is based on the linear movement of the valve stem.
oRotary control valve: The valve actuation mechanism is based on the rotary movement of the valve stem.
-Check valves: These are self-actuating valves used in applications to restrict flow in only 1 direction. Optionally, they can be provided with an actuating mechanism to manually restrict the flow from both directions.
-Actuator: An actuator is a mechanical device that supplements valve actuation through an externally applied force. Based on force of actuation, actuators are classified into mechanical, electrical, pneumatic, and hydraulic actuators.

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