Industrietechnik
VFBF220-4.2 VFBF2/VFBF3 - 2- and 3-way control valves
Valves, DN15-50, kvs 0.63-40, 20 mm stroke, designed for control of hot, cold or glycol-mixed water in heating and ventilation systems. The valves are intended for use together with Industrietechnik’s SE5…/SE10… actuators.
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Specifications
| Nominal diameter | DN20 |
|---|---|
| Kvs | 4.2 m 3 /h |
| Connection | G ¾” |
| Actuator | SE5, SE10 |
| Max. diff. pressure (SE5…) | 600 kPa |
| Max. diff. pressure (SE10…) | 600 kPa |
| Application | Heating systems, cooling systems, ventilation systems |
|---|---|
| Pressure rating | PN16 |
| Connection | BSP internally threaded according to ISO 228/1 |
| Flow characteristics | A - AB = equal percentage, B - AB = linear |
| Max. leakage | 0.1 % of Kvs |
| Media | Hot water, cold water, glycol-mixed water |
| Media temperature | -5…+140°C |
| Rangeability | 100:1 |
| Stroke | 20mm |
| Body | Brass CW614N |
| Seat | Brass CW614N |
| Plug | Brass CW614N |
| Stem | Stainless steel 1.4305 |
| Packing box | Brass CW614N |
| O-rings | EPDM |