




Unparalleled Flow Precision
Experience the ultimate in flow control precision with the ARI-STEVI Smart 450/451 3-Way Control Valve. Designed with innovative engineering, this electric actuator mixing valve ensures seamless and accurate mixing or diverting of media.
Whether for heating systems or industrial processes, the ARI-STEVI Smart 450/451 guarantees exact flow management with ±1% control accuracy. The electric actuator enables you to maintain consistent temperatures, maximise energy efficiency, and reduce operational costs.
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-PREMIO® |
Optional | ARI-PREMIO®-Plus 2G |