The ball valves market, projected to grow from USD 8.1 billion in 2020 to USD 14.7 billion by 2025, is driven by demand from oil & gas, water treatment, and the healthcare sectors due to Covid-19. North America is expected to dominate the market, with trunnion-mounted valves holding the largest share. Key industry players include Emerson, Cameron-Schlumberger, and Flowserve, among others.