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Fisher V500 Rotary Control Valves

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

Features include

  • The flanged and flangeless valves feature streamlined flow passages, rugged metal trim components, and a self-centering seat ring.
  • With these components, the V500 rotary control valve combines globe valve ruggedness with the efficiency of a rotary valve. Matched with a Fisher power or manual actuator, the V500 rotary control valve dependably controls fluids in many process industries.
  • Resists Damage from Erosive Flow–Valve assembly is specifically designed to combat the process of erosion. Streamlined flow passages, rugged components, and a wide choice of erosion-resistant trim materials all promote long, dependable service life in erosive applications.
  • Long Seat Life–Path of eccentric plug minimizes contact with seat ring when opening, reducing seat wear and friction. When the valve plug rotates into the seat ring, a self-lapping action occurs, improving the fit between shut-off surfaces. Full-port, S31600, CoCr-A, or VTC seat ring has two shut-off surfaces and can be easily reversed, reducing downtime.
  • Operational Versatility – Self-centering seat ring and rugged plug allow forward or reverse flow with tight shut-off in either flow direction. Reverse flow direction helps move downstream turbulence away from shut-off surfaces. Full 90-degree rotation removes valve plug from flowstream, helping to reduce plug wear. Seat ring and retainer are available in full and restricted port constructions, and can easily be changed if capacity requirements change.
  • Easy Installation – Integral valve body flanges mate with many different classes of pipeline flanges, satisfying a variety of piping requirements. Flanges help to eliminate exposed line flange bolting, shorten alignment and installation time, and promote secure valve installations and piping integrity. Flangeless valves are automatically self-centering on line bolting for easy installation.
  • Sour Service Capability–Trimand bolting materials are available for applications handling sour service. These materials comply with the requirements of NACE MR0175-2002.
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