Valves for control of heating and cooling in climate, heating and ventilation systems. Intended to be used together with the RVAZ4 actuators.
| Pressure rating | PN10 |
| Connection, actuator | M30 x 1.5 |
| Connection | External pipe thread |
| Flow characteristics | Equal percentage |
| Leakage | 0 % when the valve is closed |
| Media temperature | 1…110°C |
| Media | Hot or cold water. Also refrigerants (max. 30 % glycol). |
| Rangeability | 50:1 |
| Stroke | 5.5mm |
| Body | Brass CZ 121 |
| Seat | Brass CZ 121 |
| Plug | Brass CZ 121 |
| Stem | Stainless steel 303S31 |
| Seat packing | EPDM |
| O-rings | EPDM |
| ZTV15-0,25 |
Nominal diameter
DN15
|
Connection
½”
|
Kvs
0.25
|
| ZTV15-0,4 |
Nominal diameter
DN15
|
Connection
½”
|
Kvs
0.4
|
| ZTV15-0,6 |
Nominal diameter
DN15
|
Connection
½”
|
Kvs
0.6
|
| ZTV15-1,0 |
Nominal diameter
DN15
|
Connection
½”
|
Kvs 1.0
|
| ZTV15-1,6 |
Nominal diameter
DN15
|
Connection
½”
|
Kvs
1.6
|
| ZTV20-2,0 |
Nominal diameter
DN20
|
Connection
¾”
|
Kvs
2.0
|
| ZTV20-2,5 |
Nominal diameter
DN20
|
Connection
¾”
|
Kvs
2.5
|
| ZTV20-6,0 |
Nominal diameter
DN20
|
Connection
¾”
|
Kvs
6.0
|
| ZTV25-7,0 |
Nominal diameter
DN25
|
Connection
1″
|
Kvs
7.0
|
