




Precision Engineering: Optimal Flow Control at Every Scale
The ARI-STEVI Smart 440/441 Control Valve with a pneumatic actuator (DN15-150) is the epitome of precision engineering. Designed to deliver unparalleled flow control across a range of sizes from DN15 to DN150, this advanced valve ensures consistent and accurate operation in diverse industrial applications.
Whether you are managing complex chemical processes or controlling critical fluid flows in heating and cooling systems, this smart control valve is your solution for seamless and reliable performance. Experience the difference with our cutting-edge pneumatic actuator technology.
Body | EN-JL1040 / EN-JS1049 |
Trim | 1.4021 +QT |
Stem Sealing | - Spring loaded PTFE-V-ring unit (-10 °C to +220 °C) |
- Further designs up to +450°C according to data sheet | |
Flow Characteristic | Equal percentage or linear |
Rangeability | 50:1 |
Actuators | ARI-DP single acting pneumatic actuators |
Action | Spring closes / opens the seat on air failure |