API 6D Plug Valves

API 6D plug valves are high-performance pipeline valves manufactured in strict accordance with the American Petroleum Institute API 6D standard, ensuring reliable isolation and flow control in critical petroleum and natural gas pipeline systems. These valves are widely used in upstream, midstream, and downstream applications where tight shut-off, durability, and operational safety are essential.

Designed with cylindrical or conically tapered plugs, API 6D plug valves provide efficient quarter-turn operation and precise flow regulation. Their simple yet robust internal structure allows for minimal leakage paths, low maintenance requirements, and long service life, even in high-pressure, high-temperature, or abrasive service conditions. Lubricated and non-lubricated designs are available to suit different media characteristics, including crude oil, natural gas, refined products, and corrosive fluids.

API 6D–compliant plug valves are commonly installed in transmission pipelines, compressor stations, pumping facilities, and processing plants, offering dependable isolation and emergency shut-off performance. Fire-safe construction, anti-static features, and corrosion-resistant materials further enhance reliability in demanding pipeline environments.

When the official API Monogram is applied, it is used in conjunction with the certified license number 6D-2251, confirming full compliance with API manufacturing, testing, and quality requirements.

As a leading API 6D plug valve manufacturer from China, VervoValve delivers certified, high-quality plug valve solutions engineered to meet international pipeline standards and project-specific needs.