API 6A Adjustable Choke Valve for Oilfield Wellhead Control

Our API 6A Adjustable Choke Valve is a critical flow control component engineered for upstream oil & gas operations, specifically designed to regulate pressure, adjust production rates, and protect downstream equipment in harsh wellhead and choke manifold systems. Manufactured strictly in compliance with API 6A (21st Edition) and NACE MR0175 standards, this valve supports working pressures up to 20,000 PSI, making it ideal for high-pressure well testing, fracturing flowback, and sour gas (H2S/CO2) service. Adopting a precision needle-and-seat or cage-type structure, it enables stepless flow adjustment via handwheel, hydraulic, or gear actuation, ensuring accurate control of crude oil, natural gas, mud, and multi-phase fluids. The valve body is crafted from premium alloy steel, with tungsten carbide or Inconel trim for exceptional erosion and corrosion resistance—addressing the abrasion challenges of abrasive media containing sand particles. Its compact design allows easy integration with christmas trees and wellhead manifolds, while tool-free trim replacement and pressure-energized stem packing simplify on-site maintenance, reducing downtime for oilfield operations. Whether for onshore or offshore applications, this API 6A-certified adjustable choke valve delivers reliable performance, operational safety, and long service life in extreme working conditions.

1. API 6A & NACE Compliance: Fully meets API 6A (PSL1~PSL4) and NACE MR0175 standards, certified for sour service and high-pressure oilfield applications .
2. Precision Flow Regulation: Needle-and-seat design with adjustable orifice (1"~3") enables stepless flow control, supporting production rate optimization and pressure management .
3. Extreme Wear Resistance: Tungsten carbide-embedded trim and alloy steel body resist erosion from abrasive media (sand, mud), extending service life .
4. High-Pressure Bearing Capacity: Handles working pressures from 2000 PSI to 20,000 PSI, adapting to high-pressure wellhead and choke/kill manifold systems .
5. Easy Maintenance & Safety: Tool-free trim removal, pressure-energized stem packing, and stem locking device ensure safe operation and convenient on-site service .
6. Versatile Adaptability: Interchangeable with Cameron "H2" style chokes, compatible with flange/thread/hammer union connections, and suitable for onshore/offshore oil & gas wells .