Regin
VTTB15-0,25 VTTV / VTTR / VTTB - 2-way, 3-way and 3-way (bypass) zone valves DN15-20, kvs 0.25-6.0
Valves for control of heating and cooling in fan-coil or chilled beams applications. The valves are intended to be used together with the thermal RTAN and RTAOM actuators. They are available as 2- and 3-way versions, as well as bypass versions. The valves have linear flow characteristics. The adapter for RTAOM…actuators is delivered with the valve.
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Specifications
| Connection | G 1/2" |
|---|---|
| Actuator connection | M30 x 1,5 |
| Stroke | 2.5 mm |
| Nominal diameter | DN15 |
| Kvs | 0.25 m³/h |
| Max. diff. pressure | 250 kPa |
| Application | Heating, Cooling, Fan coil, Chilled beams |
|---|---|
| Pressure rating | PN16 |
| Connection types | BSP externally threaded according to ISO 228/1 |
| Flow characteristics | Linear |
| Leakage | 0.0 % of Kvs (No leakage) |
| Media | Hot water, Cold water, Glycol-mixed water (max. 40 % glycol) |
| Closing direction | When stem is pulled outward |
| Media temperature | 2…95 °C |
| Body | Brass CW614N |
| Seat | Stainless steel 1.4305 |
| Plug | PA + GF |
| Stem | PA + GF |
| O-rings | FKM |
| Stuffing box | PPO + GP |
| Spring | Stainless steel |
Software & documentation
Product sheet
Other documentation
Accessories
1885136
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