Industrietechnik
VFX237 VFX, 2-, 3- and 3-way bypass fan coil valves
Valves, DN15-50, kvs 0.6-63, for control of heating and cooling in fan coil or chilled beams applications. The valves are intended to be used together with the thermal SE1 actuators. They are available as 2- and 3-way versions, as well as bypass versions. The valves have linear flow characteristics.
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Specifications
| Connection | G3/4 |
|---|---|
| Actuator connection | M30x1.5. SE1TP / SE1MP |
| Stroke | 2.5 mm |
| Nominal diameter | DN20 |
| Kvs | 4 m³/h |
| Max. diff. pressure | 80 kPa |
| Media temperature | 2…95 °C |
| Way | 2 |
| Application | Cooling, Heating, Fan coil |
|---|---|
| Pressure rating | PN16 |
| Connection types | BSP externally threaded according to ISO 228/1 |
| Flow characteristics | Linear |
| Leakage | 0.0 % of Kvs () |
| Media | Glycol-mixed water (max. 40 % glycol), Hot water, Cold water |
| Closing direction | When stem is pulled outward |
| Max. diff. pressure | 250 kPa |
| Media temperature | 2…95 °C |
| Body | Brass CW614N |
| Seat | Brass CW614N |
| Plug | PA + GF |
| Stem | PA + GF |
| O-rings | FKM |
| Stuffing box | PPO + GP |
| Spring | Stainless steel |
