... input: 4-20mA, 3-15psiFlow Characteristics: Linear, Equal-percentage, Quick-openPneumatic control valves are intended for general utility service in pressure, flow, and ... ,40-200,80-240Supply pressure Mpa0.1-0.40.4-0.7Inherent flow characteristicsLinear ,Equal-percentage,Quick-openInherent rangeability50:1Leakage levelHard-sealing ...