Industrietechnik
VFG220N-4,2 VFG2...N/VFG3 - 2- and 3-way internally threaded control valves
Valves, DN15-50 kvs 0.63-39, 20 mm stroke, designed for control of hot, cold or glycol-mixed water in heating and ventilation systems. They also function very well in domestic water systems. The valves are intended for use together with SE5... actuators. Valves with DN32-50 may also be used with SE10..., if a larger actuating force is required.
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Specifications
| Nominal diameter | DN20 |
|---|---|
| Kvs | 4.2 m 3 /h |
| Connection | G¾" |
| ΔPs (RVAN5) | 1000 kPa |
| ΔPmax (RVAN5) | 600 kPa |
| ΔPs (RVAN10) | 1600 kPa |
| ΔPmax (RVAN10) | 600 kPa |
| Pressure rating | PN16 |
|---|---|
| Connection | BSP internally threaded according to ISO 228/1 |
| Flow characteristics | Equal percentage |
| Max. leakage | 0.1 % of Kvs |
| Media | Hot, cold, or glycol-mixed water |
| Media temperature | -5…+150°C |
| Rangeability | 100:1 |
| Stroke | 20mm |
| Body | Gunmetal CC491K (RG5) |
| Seat | Gunmetal CC491K (RG5) |
| Plug | Gunmetal CC491K (RG5) |
| Stem | Stainless steel 1.4305 |
| Packing box | Dezincification resistant brass CW511L |
| O-rings | Viton |
Software & documentation
Product sheet
Accessories
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