




Precision in Control
Unlock unparalleled control with the ARI-STEVI Smart 450/451 3-Way Control Valve. Whether regulating flow rates, managing temperatures, or directing fluid mixes, this pneumatic actuator is your gateway to precision. Seamlessly adapt to diverse applications, from industrial processes to HVAC systems. Harness its modular design for easy integration, offering flexibility without compromise.
Body | EN-JL1040 / EN-JS1049 / 1.0619+N / 1.4408 |
Trim | Body in EN-JL1040 / EN-JS1049 / 1.0619+N: 1.4021+QT |
Body in 1.4408: 1.4571 | |
Stem sealing |
Spring loaded PTFE-V-ring unit -10 ...+220°C Further designs up to +450°C acc. to data sheet |
Flow characteristic | Linear |
Rangeability | 30:1 |
Actuators | ARI-DP single acting pneumatic actuators |
Action | Spring closes port A or B on air failure |