What is a Forged Ball Valve? | Definition, Structure, and Working Principle
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 clusters had propagated into crack origins under combined high pressure and cryogenic conditions; this event triggered upgrades to API 6D material inspection requirements for forged steel valves and became the […]
API 6D Forged Ball Valve | Full Bore, Reduced Bore, Fire Safe Design
API 6D forged steel ball valves are critical control equipment in oil and gas pipeline systems — the three structural types (full bore, reduced bore, and Fire Safe) differ in flow capacity, pressure rating, and application scenarios, and selecting the correct structural type is the fundamental prerequisite for ensuring pipeline system operational efficiency and safety […]
