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Choke Valves

Choke valves are designed to control flow rates and pressures in high-pressure piping systems, providing precise regulation in demanding environments.

Available in cast and forged steel, choke valves are critical in oil and gas production, wellhead control, and processing facilities, ensuring safe and efficient flow management.

Choke Valves

Choke valves regulate fluid flow by adjusting the size of the flow passage, reducing pressure and controlling flow rates in high-pressure systems. They are commonly used in oil and gas wellheads, production manifolds, and processing plants. Cast steel choke valves are suited for larger, high-pressure applications, while forged steel variants are ideal for smaller, high-integrity systems. Their robust construction and advanced materials ensure reliability in harsh conditions, with connection options tailored to diverse industrial needs.

Key Properties of Choke Valves

  • Flow Control: Precisely regulates flow rates and pressures.
  • High Durability: Cast and forged steel construction for extreme conditions.
  • Versatile Design: Suitable for wellhead and production applications.
  • Connection Options: Supports flanged and welded ends.

Common Standards and Materials

Choke valves are manufactured to meet stringent industry standards, ensuring performance and compatibility in critical systems.

Type/Standard Material Application
Cast Steel: API 6A, ASME VIII 4130, 410, A487 4C, CA15, CF8M Oil and gas production, wellheads
Forged Steel: API 6A Duplex, Super Duplex, Inconel High-pressure, small-diameter systems

Applications of Choke Valves

Choke valves are essential in industries requiring precise flow and pressure control:

  • Oil and Gas: Manages flow in wellheads, manifolds, and production facilities.
  • Petrochemical: Controls high-pressure fluids in processing plants.
  • Subsea Systems: Regulates flow in underwater production systems.
  • Power Generation: Handles high-pressure steam in power plants.

Specifications

Properties Values & Limits
Material 4130, 410, A487 4C, CA15, CF8M, Duplex, Super Duplex, Inconel
Design Standards API 6A, ASME VIII, API 6FA
Connection Flanged, Welded
Size Range 2 1/16" to 4 1/16"
Pressure Rating 2000–10,000 PSI
Face to Face API 6D, ASME B16.10
Testing Standards API 6A, ISO 5208
Flange Details ASME B16.5, API 6A
Product Spec Level PSL 1, 2, 3, 3G, 4
Trims API Class AA to HH, TCC Coated Seats

Considerations for Use

  • Application Specificity: Select valve type based on flow and pressure control needs.
  • Material Compatibility: Match materials to fluid and environment to prevent corrosion.
  • Maintenance Access: Ensure accessibility for trim replacement in erosive conditions.