PERAR Valves S.p.A.

Adjustable Choke Valves

Adjustable Choke Valves

Category:

An adjustable choke valve replaces the fixed orifice found in a bean type choke with a variable opening, controlled by a needle or cage mechanism that operators can reposition to change the flow restriction on demand. Turning the handwheel or actuating the stem shifts the needle relative to the seat, opening or closing the flow path in small, repeatable increments without shutting down the well to swap parts. This flexibility makes adjustable chokes the standard choice on wellheads where production rates, pressure, and flow conditions change over the life of the well.

Common Applications

  • Wellhead production flow control across changing conditions
  • Applications requiring on demand rate adjustment without shutdown
  • Surface and subsea choke manifold service
  • Testing and unloading operations requiring variable restriction

Specification Sheet

Body Material Alloy steel or stainless steel 316 Size Range 50mm to 100mm
Needle/Cage Material Tungsten carbide or stellite coated Pressure Class ANSI 600 to 15000
Seat Material Tungsten carbide, erosion resistant Operating Temperature Minus 29 to 180 degrees C
Stem Material Stainless steel 17-4PH Testing Standard API 6A
Actuation Type Manual handwheel or actuated End Connection Flanged or hub connection

Available Sizes

Model ACV-50 ACV-65 ACV-80 ACV-100
Size (mm) 50 65 80 100
Pressure Class 2000 to 10000 2000 to 10000 2000 to 15000 2000 to 15000
End Connection Flanged Flanged Flanged/Hub Flanged/Hub

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