... input: 4-20mA, 3-15psiFlow Characteristics: Linear, Equal-percentage, Quick-openPneumatic control valves are intended for general utility service in ... process availability, resulting in lower long-term operating costs.Control valve features:1.Using the balancing valve core structure , ... 1, the rated flow coefficient increases by 30%,5.Actuator adopt spring structure ,highly reduced by 30%,weight reduced ...