Metering Station Control Valves

Pipeline operators require high accuracy flow measurement for accurate billing and for delivery the liquids to the open market. Flow balancing control valves are used in the measurement manifold to effectively equalize the fluid flow and ensure each meter is working effectively.

Fisher’s flow balancing valves work in cooperation with downstream backpressure control valves to ensure adequate head pressure at the meter manifold for smooth flow control.  The backpressure valve also ensures the last pressure drop to tankage occurs without any undue noise, vibration, or cavitation.

Cavitrol III trims are used for cavitating liquid applications in various globe and angle valve bodies, including the Easy-E, EH and HP product lines.
The Fisher 8580 rotary valve offers excellent throttling performance, high cycle life and rugged reliability. This valve features an eccentrically-mounted disk with either soft or metal seal, providing capability for enhanced shutoff. The interchangeable sealing technology allows for the same valve body to accept both soft and metal seals.
The V250 Hi-Ball rotary control valve is designed for heavy-duty throttling and on-off control of liquid or gas applications. These valves operate on a rotary motion input through a splined valve-shaft/actuator-shaft connection for use with power or manual handwheel actuators. The V250 Hi-Ball valve is typically used for throttling and controlled flow applications in gas transmission lines, gas distribution, or liquid pipelines.
The Vee-Ball valve combines globe valve ruggedness with the efficiency of a rotary valve. A shearing action between the V-notch ball and the ball seal promotes smooth, non-clogging operation. The unrestricted straight-through flow design provides high capacity for gas, steam, liquids, and fibrous slurries.
ROC 800L
Emerson’s ROC800L is a flexible yet easy to configure powerful flow computer that utilizes the well-known and reliable ROC800 platform. The ROC800L is capable of measurement and control of six liquid and six gas meter runs in a single flow computer. It is able to complete calculations for API Groups A, B, C, D, and E as well as custom liquid calculations when physical characteristics of the products are known.

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