| Brand | Siemens |
| Model Name/Number | MV1421 |
| Material | Stainless Steel and Brass |
| Automation Grade | Automatic |
| Actuator Type | Valve Actuator |
| Frequency | 50 Hz |
| Voltage | AC 230 V |
| Cable length | 5 Inch |
| Power | 9.8 VA |
Siemens MVI421 Valve Actuator 2-Port and 3-Port Zone are used in heating, ventilation and air conditioning systems for water-side terminal unit control in closed circuits, e.g. induction units, fan coil units, small re-heaters and small recoolers, for use in 2-pipe systems with 1 heat exchanger for heating and cooling 4-pipe systems with 2 separate heat exchangers for heating and cooling.
These Siemens MVI421 2-port and 3-port zone valves & actuators are also used in
· Closed-circuit zone heating systems, e.g.
>Separate floors in a building
>Apartments
>Individual rooms
>Floor heating