Green Liquor

Green liquor is a corrosive fluid that leaves scale deposits on the internal components of control valves, causing the valve to bind and result in poor flow control, which over time, can prevent the valve from closing. This scale build-up on the valve internals can become so severe that costly process downtime is required to clean the scale out of the valve.

The internal components and flow passage of the CV500 are designed to reduce scale build-up. The V-notch ball cams go into and out of the seat, minimizing contact with the seat and the binding that can occur from scale build-up. When the V-notch ball cams go into the seat scale, build-up on the surface of the ball is removed, enabling positive shut off and reducing costly process downtime.

The Fisher V500 eccentric plug rotary control valve controls erosive, coking and other hard-to-handle fluids, providing either throttling or on-off operation.
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