VFX439
3-Way zone valve with 4 ports for fan coil applications
3-way, 4-port zone valve for heating and cooling systems, designed for high-performance climate control. This Normally Closed (NC) valve provides precise regulation and enhanced energy efficiency, making it ideal for fan coil applications. Featuring ON/OFF operation driven by the SE1 electro-thermal actuator series, it ensures smooth switching, long service life, and minimal maintenance. Built to withstand demanding operating conditions, the valve is rated PN16, equipped with a DN20 connection, and offers a Kvs value of 6.0 for optimal flow capacity.
Technical Data
Valves TechData
| Stroke | 2.5 mm |
|---|---|
| Nominal diameter | DN20 |
| Kvs | 6 m³/h |
| Max. diff. pressure | 80 kPa |
| Connection | G 3/4" (ISO 228-1) M |
| Media temperature | 2…95 °C |
Valve Additional (ITK)
| Valve Type | 3-Way with Bypass |
|---|---|
| Actuator | SE1TP / SE1MP |