VFTR220-2.0 VFTR - 2- and 3-way control valves
Valves, DN15-25, kvs 0.25-7.0, 5.5 mm stroke, intended for control of hot and cold water in climate, heating and ventilation systems. They can also control glycol-mixed water in for example liquid connected recovery systems. Intended to be used together with the SEZ4 actuators.
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Specifications
| Nominal diameter | DN20 |
|---|---|
| Kvs | 2.0 m 3 /h |
| Connection | G3/4" |
| Max. diff. pressure | 250 kPa |
| Actuator | SEZ4 |
| Pressure rating | PN16 |
|---|---|
| Connection, actuator | M30 x 1.5 |
| Connection | BSP externally threaded according to ISO 228/1 |
| Flow characteristics | Equal percentage |
| Max. leakage | 0 % of the kvs value |
| Media temperature | 1…110°C |
| Media | Hot water, cold water, glycol-mixed water |
| Rangeability | 50:1 |
| Stroke | 5.5mm |
| Body | Brass CW614N |
| Seat | Brass CW614N |
| Plug | Brass CW614N |
| Stem | Stainless steel 1.4305 |
| Seat packing | EPDM |
| O-rings | EPDM |