• Core Function: Provides precise modulating control of process fluids (liquids, gases, slurries) in industrial applications using a characterized V-notch ball for superior throttling and shutoff.
SE3007: Product OverviewThe Emerson SE3007 is a model within the Fisher V300 series of Vee-Ball control valves. This valve is engineered for high-performance throttling control in demanding process applications. Its defining feature is a characterized ball with a V-shaped notch (or port), which rotates to provide a precise equal percentage flow characteristic. This design makes it exceptionally well-suited for applications involving slurries, viscous fluids, and other difficult-to-handle media where standard valves might clog or provide poor control.Installed directly into the process pipeline, its primary function is to automatically regulate flow in response to a signal from a process controller (DCS or PLC). The actuator (pneumatic or electric) rotates the ball to a precise position, allowing for fine control from a small trickle to full flow. The V-port’s shearing action is particularly effective at cutting through fibrous materials and preventing the buildup of solids, making it a preferred choice for pulp & paper, mining, wastewater, and chemical processing industries. The robust construction ensures reliable operation under high pressure drops, cavitation, and erosive conditions.
Emerson SE3007
SE3007: Technical Specifications
• Model Number: SE3007 (This is a series designation; a full order code includes size, trim, and actuator details)
• Manufacturer: Emerson (Fisher)
• Product Type: Vee-Ball Control Valve
• Valve Size Range: Typically 1″ to 12″ (varies by specific order code)
• Pressure Class: ANSI Class 150 to 600 (and beyond)
• Body Materials: Carbon Steel (WCB), Stainless Steel (CF8M, CF8), Duplex, etc.
• Trim Materials: 316 SS, Hardened 17-4PH SS, Stellite for severe erosion
• Seat Options: Metal (for high temp/erosion) or soft (e.g., PTFE, reinforced PTFE for tight shutoff)
• End Connections: Flanged (RF, RTJ), Buttweld, Socket Weld
• Flow Characteristic: Equal Percentage (Inherent from the V-port)
• Leakage Class: ANSI Class IV (standard metal seat), Class V or VI (with soft seats)
• Temperature Range: Standard: -20°F to 400°F (-29°C to 204°C); High-temp options available
Emerson SE3007
Core Features & Customer ValueThe primary value of the SE3007 Vee-Ball valve is its superior throttling performance in severe service. The V-port provides a precise and repeatable flow characteristic, excellent rangeability (the ratio of max to min controllable flow), and enhanced ability to handle abrasive and cavitating flows compared to standard ball valves. For process engineers, this translates to more stable control loops, reduced process variability, and improved product quality.The valve’s robust construction and material options ensure a long service life in the most demanding applications, reducing maintenance costs and unplanned downtime. The shearing action of the V-port helps prevent clogging in slurry services, a common cause of failure for other valve types. For maintenance teams, the design often allows for in-line maintenance, where the seat can be replaced without removing the entire valve body from the pipeline, significantly reducing repair time and costs.Typical ApplicationsIn a mining concentrator, the SE3007 controls the flow of abrasive ore slurries, withstanding the erosive wear that would quickly destroy a standard valve.In a pulp mill, it regulates the flow of stock containing wood fibers, with the V-port shearing through the fibers to prevent clogging and ensure smooth operation.
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