The valves in the range VTTV are used to control heating and cooling in fan-coil or chilled beams applications. They are intended to be used together with the thermal RTAOM… actuators.
| Pressure rating | PN16 (1.6 MPa) |
| Connection | External pipe thread |
| Flow characteristics | Linear |
| Leakage | 0 % when the valve is closed |
| Media temperature | 2…95°C |
| Media | Hot or cold water. Also refrigerants (max. 40 % glycol). |
| Stroke | 2.5mm |
| Kvs | 0.25 – 6.0 |
| Adapter | Pre-mounted for the RTAOM… actuators |
| Body | Brass |
| Seat | PPO+GP |
| O-rings | FKM |
| VTTV15-0,25 |
Connection
G½”
|
Kvs 0.25
|
Max. diff. pressure 250 kPa
|
| VTTV15-0,4 | Connection
G½”
|
Kvs 0.4 | Max. diff. pressure 250 kPa |
| VTTV15-0,6 | Connection
G½”
|
Kvs 0.6 | Max. diff. pressure 250 kPa |
| VTTV15-1,0 |
Connection
G½”
|
Kvs 1
|
Max. diff. pressure 250 kPa
|
| VTTV15-1,6 | Connection
G½”
|
Kvs 1.6 |
Max. diff. pressure 250 kPa
|
| VTTV20-2,5 |
Connection
G¾”
|
Kvs 2.5
|
Max. diff. pressure 250 kPa
|
| VTTV20-4,0 |
Connection
G¾”
|
Kvs 4 | Max. diff. pressure 100 kPa |
| VTTV20-6,0 | Connection
G¾”
|
Kvs 6 | Max. diff. pressure 100 kPa |
