A refinery in the Middle East experienced a high-temperature cracking failure in a cast steel valve — post-incident analysis traced the origin to shrinkage porosity
A cast steel ball valve on a North Sea offshore platform fractured brittlely at minus 30 degrees Celsius — post-incident testing revealed that internal micro-porosity
API 6D forged steel ball valves are critical control equipment in oil and gas pipeline systems — the three structural types (full bore, reduced bore,
The global industrial valve market is approximately USD 38 billion, with ball valves accounting for 35% to 40% of that total. My first overseas project
Globally, forged ball valves account for approximately 38% of total industrial ball valve sales, with an annual market value exceeding USD 2.8 billion. I once
According to FCI (Fluids Control Institute), 34% of ball valve failures stem from improper installation or maintenance rather than manufacturing defects. I once saw a
Global oil and gas long-distance pipelines exceed 1.3 million kilometers, refinery daily throughput exceeds 100,000 barrels, and API 6D ball valves serve as the “pipeline
API 6D, published by the American Petroleum Institute, covers the full range of ball valves from NPS 2 to NPS 48 in design, manufacture, and
China’s valve exports reached USD 4.7 billion in 2025, with API 6D ball valves accounting for 38% of oil and gas valve export value. In
In 2024 I worked on a Southeast Asian gas pipeline project where the client required all valves to be API 6D certified. The original plan
