Ari Armaturen Stevi 440/450/470 Control Valves

Stevi 440/450/470

Control Valves

Ari Armaturen brand Stevi available with either a electric actuator or a Pneumatic actuator. This 3-way mixing and diverting designed control valve is compact in design making it ideal for situations with limited space. A precision guided and burnished stem improve this valve's performance and ensures long life.

Stevi 440

The 440 Stevi with electric actuation has a protection class of IP 65. Equipped with two torque switches and 1 limit switch this valve also features a emergency manual override handwheel. Additional devices are available such as a potentiometer.

The pneumatic actuated valve features reversible pneumatic actuation and an actuator fitted with a rolling diaphragm. The pnematic 440 allows air supply pressure max at 6 bar and includes a maintenace-free O-ring sealing.

Stevi 450/451

The electric actuator version has an enclosure IP of 65 with 2 torque switches. One travel switch, handwheel and additional devices are available such as a potentiometer.

The pneumatic actuator on this model is reversible and equipped with a rolling diaphragm. This valve is capable of air supply pressure at max. of 87 psi. Durability features include a bellow protected stem to prevent leakage and O-ring sealing.

Stevi 470

The Stevi 470 with electric actuation has an enclosure of IP 65. Equipped with two torque switches,one limit switch and handwheel this valve can include additional devices such as a potentiometer.

The pneumatic version features a reversible actuator with a rolling diaphragm Stem protection by bellows and maintance-free O-ring sealing. Stevi 440 with pneumatic actuation has an air supply pressure max of 87 psi/6 bar.