MDA VI Vivishao Standard Operation and Structural Optimization Technologies for Gate Valve Long-Term Service Life Keywords: gate valve life extension; zero-pressure-difference switching; micro-maintenance; integral forging; hard alloy surfacing
MDA LIF VI Vivishao Deep Failure Mechanism Analysis of API 6A High-Pressure Gate Valves Keywords: API 6A gate valve; erosion fatigue; sealing pair failure; valve stem fatigue; thermal stress damage
MDA BL Blaze Why API 6A 15M Gate Valves Matter More Than Ever in Modern Wellsite Operations The oilfield has changed. Pressures are higher, frac cycles are faster, sand loads are worse, and downtime is more expensive than ever. Yet…
