The valves in the range VTTR 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 |
| VTTR15-0,25 |
Connection
G½”
|
Kvs
A-AB: 0.25 / B-AB: 0.25
|
Max. diff. pressure
A-AB: 250 kPa / B-AB: 83 kPa
|
| VTTR15-0,4 | Connection
G½”
|
Kvs
A-AB: 0.4 / B-AB: 0.4
|
Max. diff. pressure
A-AB: 250 kPa / B-AB: 83 kPa
|
| VTTR15-0,6 | Connection
G½”
|
Kvs
A-AB: 0.6 / B-AB: 0.6
|
Max. diff. pressure
A-AB: 250 kPa / B-AB: 83 kPa
|
| VTTR15-1,0 |
Connection
G½”
|
Kvs
A-AB: 1 / B-AB: 0.8
|
Max. diff. pressure
A-AB: 250 kPa / B-AB: 83 kPa
|
| VTTR15-1,6 | Connection
G½”
|
Kvs
A-AB: 1.6 / B-AB: 1
|
Max. diff. pressure
A-AB: 250 kPa / B-AB: 83 kPa
|
| VTTR20-2,5 |
Connection
G¾”
|
Kvs
A-AB: 2.5 / B-AB: 1.6
|
Max. diff. pressure
A-AB: 250 kPa / B-AB: 83 kPa
|
| VTTR20-4,0 |
Connection
G¾”
|
Kvs
A-AB: 4 / B-AB: 2.5
|
Max. diff. pressure
A-AB: 100 kPa / B-AB: 33 kPa
|
| VTTR20-6,0 | Connection
G¾”
|
Kvs
A-AB: 6 / B-AB: 4
|
Max. diff. pressure
A-AB: 100 kPa / B-AB: 33 kPa
|
