The global piezoelectric proportional valve market was was valued at US$ 651.6 Mn in 2016 and is projected to reach US$ 1,107.1 Mn in 2026 at a CAGR of 5.5% from 2017 to 2026.. The 0–2.0 bar type segment in the global piezoelectric proportional valve market is estimated to account for major revenue share of 43.6% in 2017 owing to factors such as high availability, less energy consumption, and high efficiency and performance levels when compared to conventional/solenoid proportional valves.